所属学会 6
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MA−T学会
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有機電子移動化学研究会
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フラーレン・ナノチューブ・グラフェン学会
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Society of Porphyrins and Phthalocyanines
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光化学協会
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日本化学会
MA−T学会
有機電子移動化学研究会
フラーレン・ナノチューブ・グラフェン学会
Society of Porphyrins and Phthalocyanines
光化学協会
日本化学会
ナノテク・材料 / 構造有機化学、物理有機化学 / 光化学、酸化反応、光触媒
令和6年度 科学技術分野の文部科学大臣表彰 科学技術賞
文部科学省 2024年4月
光化学協会賞
光化学協会 2018年9月
野副記念奨励賞
基礎有機化学会 2013年9月
日本化学会進歩賞
日本化学会 2008年3月
IAAM Award Lecture
International Association of Advanced Materials 2019年6月
大澤賞
フラーレン・ナノチューブ・グラフェン学会 2013年9月
有機電子移動化学奨励賞
有機電子移動化学研究会 2013年6月
APA Prize for Young Scientist
The Asian and Oceanian Photochemistry Association 2008年10月
SPP-JPP Young Investigator Award in Porphyrin Chemistry
Society of Porphyrins and Phthalocyanines 2008年7月
BCSJ Award Article
日本化学会・日本化学会欧文誌編集委員会 2007年4月
光化学協会奨励賞
光化学協会 2005年9月
Singlet Oxygen Generation from Li+@C60 Nano-Aggregates in Aqueous Solution
Kei Ohkubo, Yuki Itabashi
ECS Meeting Abstracts 2025年7月11日 研究論文(学術雑誌)
Photocatalytic and Chemoselective H/D Exchange at α-Thio C(sp3)-H Bonds
Riku Ogasahara, Miyu Mae, Yuki Itabashi, Kei Ohkubo, Keisuke Matsuura, Hyoga Shimizu, Kazuho Ban, Masaki Togami, Taro Udagawa, Hiroyoshi Fujioka, Mako Kamiya, Shuji Akai, Yoshinari Sawama
Journal of the American Chemical Society 2025年5月7日 研究論文(学術雑誌)
Sulfide Oxidation to Sulfone Using Sodium Chlorite and Hydrochloric Acid in Organic Solvents
Yuki Itabashi, Shuto Ogata, Tsuyoshi Inoue, Haruyasu Asahara, Kei Ohkubo
Molecules 2025年4月25日 研究論文(学術雑誌)
Tetrabutylammonium Chlorite as an Efficient Oxidant for Controlled Oxidation of Sulfides to Sulfoxides
Yuki Itabashi, Shuto Ogata, Yusuke Shimada, Minato Kondo, Nagatoshi Nishiwaki, Tsuyoshi Inoue, Haruyasu Asahara, Kei Ohkubo
Chemistry – A European Journal 2025年1月7日 研究論文(学術雑誌)
出版者・発行元:WileyVisible-Light Induced C-H Oxygenation of Hydrocarbons Using Chlorine Dioxide as a Photoredox Catalyst
Kei Ohkubo
ECS Meeting Abstracts 2024年11月22日 研究論文(学術雑誌)
Antioxidant Activity of Planar Catechin Conjugated with Trolox
Wakana Shimizu, Yoshimi Shoji, Kei Ohkubo, Hiromu Ito, Ikuo Nakanishi, Kiyoshi Fukuhara
Antioxidants 2024年8月23日 研究論文(学術雑誌)
出版者・発行元:MDPI AGConstruction of a screening system for lipid-derived radical inhibitors and validation of hit compounds to target retinal and cerebrovascular diseases
Ryota Mori, Masami Abe, Yuma Saimoto, Saki Shinto, Sara Jodai, Manami Tomomatsu, Kaho Tazoe, Minato Ishida, Masataka Enoki, Nao Kato, Tomohiro Yamashita, Yuki Itabashi, Ikuo Nakanishi, Kei Ohkubo, Sachiko Kaidzu, Masaki Tanito, Yuta Matsuoka, Kazushi Morimoto, Ken-ichi Yamada
Redox Biology p. 103186-103186 2024年5月 研究論文(学術雑誌)
出版者・発行元:Elsevier BVScandium Ion-Promoted Electron-Transfer Disproportionation of 2-Phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl 3-Oxide (PTIO•) in Acetonitrile and Its Regeneration Induced by Water
Yoshimi Shoji, Yuri Terashima, Kei Ohkubo, Hiromu Ito, Kouichi Maruyama, Shunichi Fukuzumi, Ikuo Nakanishi
International Journal of Molecular Sciences Vol. 25 No. 8 p. 4417-4417 2024年4月17日 研究論文(学術雑誌)
出版者・発行元:MDPI AG9-(4-Halo-2,6-xylyl)-10-methylacridinium Ion as an Effective Photoredox Catalyst for Oxygenation and Trifluoromethylation of Toluene Derivatives
Kei Ohkubo, Soichiro Matsumoto, Haruyasu Asahara, Shunichi Fukuzumi
ACS Catalysis 2024年2月16日 研究論文(学術雑誌)
Mitochondria Play Essential Roles in Intracellular Protection against Oxidative Stress—Which Molecules among the ROS Generated in the Mitochondria Can Escape the Mitochondria and Contribute to Signal Activation in Cytosol?
Daisuke Masuda, Ikuo Nakanishi, Kei Ohkubo, Hiromu Ito, Ken-ichiro Matsumoto, Hiroshi Ichikawa, Moragot Chatatikun, Wiyada Kwanhian Klangbud, Manas Kotepui, Motoki Imai, Fumitaka Kawakami, Makoto Kubo, Hirofumi Matsui, Jitbanjong Tangpong, Takafumi Ichikawa, Toshihiko Ozawa, Hsiu-Chuan Yen, Daret K. St Clair, Hiroko P. Indo, Hideyuki J. Majima
Biomolecules Vol. 14 No. 1 p. 128-128 2024年1月19日 研究論文(学術雑誌)
出版者・発行元:MDPI AGSupramolecular nanosheet formation-induced photosensitisation mechanism change of Rose Bengal dye in aqueous media
Asuka Bunno, Hajime Shigemitsu, Aya Yoshikawa, Yasuko Osakada, Mamoru Fujitsuka, Fumitaka Ishiwari, Akinori Saeki, Kei Ohkubo, Tadashi Mori, Toshiyuki Kida
Chemical Communications Vol. 60 No. 7 p. 889-892 2024年 研究論文(学術雑誌)
出版者・発行元:Royal Society of Chemistry (RSC)A BODIPY-picolinium-cation conjugate as a blue-light-responsive caged group
Naoya Ieda, Akira Nakamura, Natsumi Tomita, Kei Ohkubo, Ryo Izumi, Yuji Hotta, Mitsuyasu Kawaguchi, Kazunori Kimura, Hidehiko Nakagawa
RSC Advances Vol. 13 p. 26375-26379 2023年9月 研究論文(学術雑誌)
Water-Induced Regeneration of a 2,2-Diphenyl-1-picrylhydrazyl Radical after Its Scandium Ion-Promoted Electron-Transfer Disproportionation in an Aprotic Medium
Ikuo Nakanishi, Yoshimi Shoji, Kei Ohkubo, Hiromu Ito, Shunichi Fukuzumi
Molecules Vol. 28 No. 13 p. 5002-5002 2023年6月26日 研究論文(学術雑誌)
出版者・発行元:MDPI AG2-Azafluorenone derivatives: Photocatalyst for oxygenation of toluene via electron transfer and hydrogen-atom transfer
Haruyasu Asahara, Yurie Horikawa, Kento Iwai, Nagatoshi Nishiwaki, Kei Ohkubo
Journal of Photochemistry and Photobiology Vol. 15 2023年6月 研究論文(学術雑誌)
In vitro radical-scavenging mechanism of melatonin and its in vivo protective effect against radiation-induced lipid peroxidation
Kailash Manda, Kei Ohkubo, Yoshimi Shoji, Kabir Zoardar, Masato Kamibayashi, Toshihiko Ozawa, Kazunori Anzai, Ikuo Nakanishi
Redox Biochemistry and Chemistry p. 100003-100003 2023年4月 研究論文(学術雑誌)
出版者・発行元:Elsevier BVOne-step antibacterial modification of polypropylene non-woven fabrics via oxidation using photo-activated chlorine dioxide radicals
Keita Yamamoto, Haruyasu Asahara, Kazuo Harada, Yuki Itabashi, Kei Ohkubo, Tsuyoshi Inoue
Journal of Materials Chemistry B Vol. 11 No. 23 p. 5101-5107 2023年 研究論文(学術雑誌)
出版者・発行元:Royal Society of Chemistry (RSC)Chlorine-radical-mediated C–H oxygenation reaction under light irradiation
Yuki Itabashi, Haruyasu Asahara, Kei Ohkubo
Chemical Communications Vol. 59 No. 49 p. 7506-7517 2023年 研究論文(学術雑誌)
出版者・発行元:Royal Society of Chemistry (RSC)Amphiphilic Rhodamine Nano-assembly as a Type I Supramolecular Photosensitizer for Photodynamic Therapy
Hajime Shigemitsu, Kazuhide Sato, Satomi Hagio, Youhei Tani, Tadashi Mori, Kei Ohkubo, Yasuko Osakada, Mamoru Fujitsuka, Toshiyuki Kida
ACS Applied Nano Materials Vol. 5 No. 10 p. 14954-14960 2022年10月28日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society (ACS)Pathological complete remission of relapsed tumor by <scp>photo‐activating</scp> antibody–mimetic drug conjugate treatment
Yudai Kaneko, Kenzo Yamatsugu, Takefumi Yamashita, Kazuki Takahashi, Toshiya Tanaka, Sho Aki, Toshifumi Tatsumi, Takeshi Kawamura, Mai Miura, Masazumi Ishii, Kei Ohkubo, Tsuyoshi Osawa, Tatsuhiko Kodama, Shumpei Ishikawa, Masanobu Tsukagoshi, Michael Chansler, Akira Sugiyama, Motomu Kanai, Hiroto Katoh
Cancer Science Vol. 113 No. 12 p. 4350-4362 2022年9月19日 研究論文(学術雑誌)
出版者・発行元:WileyFluorescein-Based Type I Supramolecular Photosensitizer via Induction of Charge Separation by Self-Assembly
Hajime Shigemitsu, Kei Ohkubo, Kazuhide Sato, Asuka Bunno, Tadashi Mori, Yasuko Osakada, Mamoru Fujitsuka, Toshiyuki Kida
JACS Au 2022年6月27日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society ({ACS})9-Cyano-10-methoxycarbonylanthracene as a Visible Organic Photoredox Catalyst in the Two-Molecule Photoredox System
Yuka Tajimi, Yasuhiro Nachi, Ryoko Inada, Ryoga Hashimoto, Mugen Yamawaki, Kei Ohkubo, Toshio Morita, Yasuharu Yoshimi
The Journal of Organic Chemistry 2022年6月3日 研究論文(学術雑誌)
Antibody mimetic drug conjugate manufactured by high-yield Escherichia coli expression and non-covalent binding system
Kenzo Yamatsugu, Hiroto Katoh, Takefumi Yamashita, Kazuki Takahashi, Sho Aki, Toshifumi Tatsumi, Yudai Kaneko, Takeshi Kawamura, Mai Miura, Masazumi Ishii, Kei Ohkubo, Tsuyoshi Osawa, Tatsuhiko Kodama, Shumpei Ishikawa, Motomu Kanai, Akira Sugiyama
PROTEIN EXPRESSION AND PURIFICATION Vol. 192 2022年4月 研究論文(学術雑誌)
改変ストレプトアビジン-イミノビオチン薬物送達システムを用いた近赤外治療法の開発
高橋 和希, 山次 健三, 加藤 洋人, 山下 雄史, 安藝 翔, 巽 俊文, 金子 雄大, 川村 猛, 三浦 麻衣, 石井 正純, 大久保 敬, 大澤 毅, 児玉 龍彦, 石川 俊平, 金井 求, 杉山 暁
日本薬学会年会要旨集 Vol. 142年会 p. 26T-pm01S 2022年3月
出版者・発行元:(公社)日本薬学会Effect of Magnesium Ion on the Radical-Scavenging Rate of Pterostilbene in an Aprotic Medium: Mechanistic Insight into the Antioxidative Reaction of Pterostilbene
Ikuo Nakanishi, Yoshimi Shoji, Kei Ohkubo, Megumi Ueno, Kei Shimoda, Ken-ichiro Matsumoto, Kiyoshi Fukuhara, Hiroki Hamada
Antioxidants Vol. 11 No. 2 p. 340-340 2022年2月9日 研究論文(学術雑誌)
出版者・発行元:MDPI AGpH Effect on the Scavenging Rates of Ascorbic Acid against Selected Radicals in Phosphate Buffer Solutions
Ikuo Nakanishi, Yoshimi Shoji, Kei Ohkubo, Toshihiko Ozawa, Ken-ichiro Matsumoto, Shunichi Fukuzumi
Free Radical Biology and Medicine Vol. 180 p. s64-s64 2022年2月 研究論文(学術雑誌)
出版者・発行元:Elsevier BVVisible-light-induced phosgenation of amines by chloroform oxygenation using chlorine dioxide
Haruyasu Asahara, Nozomi Takao, Maiko Moriguchi, Tsuyoshi Inoue, Kei Ohkubo
Chemical Communications Vol. 58 No. 42 p. 6176-6179 2022年 研究論文(学術雑誌)
出版者・発行元:Royal Society of Chemistry ({RSC})Acridinium salts as photoredox organocatalysts for photomediated cationic RAFT and DT polymerizations of vinyl ethers
Marina Matsuda, Mineto Uchiyama, Yuki Itabashi, Kei Ohkubo, Masami Kamigaito
Polymer Chemistry Vol. 13 No. 8 p. 1031-1039 2022年 研究論文(学術雑誌)
出版者・発行元:Royal Society of Chemistry (RSC)One-pot chlorocarboxylation of toluenes with chlorine dioxide under photoirradiation
Shohei Ohno, Haruyasu Asahara, Tsuyoshi Inoue, Kei Ohkubo
RSC Advances Vol. 12 No. 48 p. 31412-31414 2022年 研究論文(学術雑誌)
出版者・発行元:Royal Society of Chemistry (RSC)Ascorbate-assisted nitric oxide release from photocontrollable nitrosonium ion releasers for potent ex vivo photovasodilation
Naoya Ieda, Yuka Yoshikawa, Natsumi Tomita, Kei Ohkubo, Yuji Hotta, Mitsuyasu Kawaguchi, Kazunori Kimura, Hidehiko Nakagawa
Chemical Communications 2022年 研究論文(学術雑誌)
出版者・発行元:Royal Society of Chemistry (RSC)Tunneling in the Hydrogen-Transfer Reaction from a Vitamin E Analog to an Inclusion Complex of 2,2-Diphenyl-1-picrylhydrazyl Radical with β-Cyclodextrin in an Aqueous Buffer Solution at Ambient Temperature
Ikuo Nakanishi, Yoshimi Shoji, Kei Ohkubo, Shunichi Fukuzumi
Antioxidants Vol. 10 No. 12 p. 1966-1966 2021年12月8日 研究論文(学術雑誌)
出版者・発行元:MDPI AGA cyanine dye based supramolecular photosensitizer enabling visible-light-driven organic reaction in water.
Hajime Shigemitsu, Tomoe Tamemoto, Kei Ohkubo, Tadashi Mori, Yasuko Osakada, Mamoru Fujitsuka, Toshiyuki Kida
Chemical communications (Cambridge, England) 2021年10月8日 研究論文(学術雑誌)
出版者・発行元:Royal Society of Chemistry ({RSC})Axially Substituted Silicon Phthalocyanine Payloads for Antibody-Drug Conjugates
Kazuki Takahashi, Akira Sugiyama, Kei Ohkubo, Toshifumi Tatsumi, Tatsuhiko Kodama, Kenzo Yamatsugu, Motomu Kanai
SYNLETT Vol. 32 No. 11 p. 1098-1103 2021年7月 研究論文(学術雑誌)
Anionic Fluorinated Zn-porphyrin Combined with Cationic Endohedral Li-fullerene for Long-Lived Photoinduced Charge Separation with Low Energy Loss
Kazuhira Miwa, Shinobu Aoyagi, Takahiro Sasamori, Hiroshi Ueno, Hiroshi Okada, Kei Ohkubo
The Journal of Physical Chemistry B Vol. 125 No. 3 p. 918-925 2021年1月28日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society (ACS)Effects of reaction environments on radical-scavenging mechanisms of ascorbic acid
Ikuo Nakanishi, Yoshimi Shoji, Kei Ohkubo, Kiyoshi Fukuhara, Toshihiko Ozawa, Ken-ichiro Matsumoto, Shunichi Fukuzumi
Journal of Clinical Biochemistry and Nutrition 2021年 研究論文(学術雑誌)
出版者・発行元:The Society for Free Radical Research JapanLight-Driven C-H Oxygenation of Methane with Chlorine Dioxide
Kei Ohkubo
ECS Meeting Abstracts Vol. {MA}2020-02 No. 61 p. 3144-3144 2020年11月23日 研究論文(学術雑誌)
出版者・発行元:The Electrochemical SocietyPhenylene-bridged bis(benzimidazolium) (BBIm(2+)): a dicationic organic photoredox catalyst
Takuya Kodama, Maiko Kubo, Wataru Shinji, Kei Ohkubo, Mamoru Tobisu
CHEMICAL SCIENCE Vol. 11 No. 44 p. 12109-12117 2020年11月 研究論文(学術雑誌)
A large kinetic isotope effect in the reaction of ascorbic acid with 2-phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl 3-oxide (PTIO˙) in aqueous buffer solutions.
Ikuo Nakanishi, Yoshimi Shoji, Kei Ohkubo, Toshihiko Ozawa, Ken-Ichiro Matsumoto, Shunichi Fukuzumi
Chemical communications (Cambridge, England) Vol. 56 No. 77 p. 11505-11507 2020年9月29日 研究論文(学術雑誌)
Relationship between the radical-scavenging activity of selected flavonols and thermodynamic parameters calculated by density functional theory.
Ikuo Nakanishi, Kei Ohkubo, Yoshimi Shoji, Yuya Fujitaka, Kei Shimoda, Ken-Ichiro Matsumoto, Kiyoshi Fukuhara, Hiroki Hamada
Free radical research Vol. 54 No. 7 p. 535-539 2020年7月 研究論文(学術雑誌)
出版者・発行元:Informa {UK} LimitedLow switching voltage, high-stability organic phototransistor memory based on a photoactive dielectric and an electron trapping layer
Toan Thanh Dao, Heisuke Sakai, Kei Ohkubo, Shunichi Fukuzumi, Hideyuki Murata
ORGANIC ELECTRONICS Vol. 77 2020年2月 研究論文(学術雑誌)
Two Different Multiple Photosynthetic Reaction Centers Using Either Zinc Porphyrinic Oligopeptide-Fulleropyrrolidine or Free-Base Porphyrinic Polypeptide-Li+@C(60)Supramolecular Complexes
Nathalie Solladie, Shunichi Fukuzumi, Kei Ohkubo, Francis D'Souza, Regis Rein, Kenji Saito, Vincent Troiani, Hongjin Qiu, Suresh Gadde, Tetsuya Hasegawa
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY Vol. 9 No. 6 p. 061026-061026 2020年1月 研究論文(学術雑誌)
Kinetics and Mechanism of Intramolecular Electron Transfer in Ru(II)-Re(I) Supramolecular CO2-Reduction Photocatalysts: Effects of Bridging Ligands
Yasuomi Yamazaki, Kei Ohkubo, Daiki Saito, Taiki Yatsu, Yusuke Tamaki, Sei'ichi Tanaka, Kazuhide Koike, Ken Onda, Osamu Ishitani
INORGANIC CHEMISTRY Vol. 58 No. 17 p. 11480-11492 2019年9月 研究論文(学術雑誌)
Cover Feature: Paddlewheel Complexes with Azulenes: Electronic Interaction between Metal Centers and Equatorial Ligands (ChemPlusChem 6/2019)
Takahiro Tsuchiya, Reiya Umemura, Mutsumi Kaminaga, Shunsuke Kushida, Kei Ohkubo, Shin‐Ichiro Noro, Yasuhiro Mazaki
ChemPlusChem Vol. 84 No. 6 p. 555-555 2019年6月30日 研究論文(学術雑誌)
出版者・発行元:WileyPaddlewheel Complexes with Azulenes: Electronic Interaction between Metal Centers and Equatorial Ligands
Takahiro Tsuchiya, Reiya Umemura, Mutsumi Kaminaga, Shunsuke Kushida, Kei Ohkubo, Shin-Ichiro Noro, Yasuhiro Mazaki
CHEMPLUSCHEM Vol. 84 No. 6 p. 655-664 2019年6月 研究論文(学術雑誌)
A Diprotonated Porphyrin as an Electron Mediator in Photoinduced Electron Transfer in Hydrogen-Bonded Supramolecular Assemblies
Wataru Suzuki, Hiroaki Kotani, Tomoya Ishizuka, Masaki Kawano, Hayato Sakai, Taku Hasobe, Kei Ohkubo, Shunichi Fukuzumi, Takahiko Kojima
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 123 No. 18 p. 11529-11538 2019年5月 研究論文(学術雑誌)
Synthesis and radical-scavenging activity of C-methylated fisetin analogues
Kohei Imai, Ikuo Nakanishi, Kei Ohkubo, Akiko Ohno, Mirei Mizuno, Shunichi Fukuzumi, Ken ichiro Matsumoto, Kiyoshi Fukuhara
Bioorganic and Medicinal Chemistry Vol. 27 No. 8 p. 1720-1727 2019年4月 研究論文(学術雑誌)
Unified Mechanism of Oxygen Atom Transfer and Hydrogen Atom Transfer Reactions with a Triflic Acid-Bound Nonheme Manganese(IV)-Oxo Complex via Outer-Sphere Electron Transfer
Yong Min Lee, Surin Kim, Kei Ohkubo, Kyung Ha Kim, Wonwoo Nam, Shunichi Fukuzumi
Journal of the American Chemical Society Vol. 141 No. 6 p. 2614-2622 2019年2月13日 研究論文(学術雑誌)
出版者・発行元:American Chemical Society ({ACS})A Pyropheophorbide Analogue Containing a Fused Methoxy Cyclohexenone Ring System Shows Promising Cancer-Imaging Ability
Aimee J. Marko, Mykhaylo Dukh, Nayan J. Patel, Joseph R. Missert, Tymish Ohulchanskyy, Walter A. Tabaczynski, Kei Ohkubo, Shunichi Fukuzumi, Rutao Yao, Munawwar Sajjad, Ravindra K. Pandey
ChemMedChem Vol. 14 No. 16 p. 1503-1513 2019年 研究論文(学術雑誌)
Catalytic asymmetric allylation of aldehydes with alkenes through allylic C(sp3)-H functionalization mediated by organophotoredox and chiral chromium hybrid catalysis
Harunobu Mitsunuma, Shun Tanabe, Hiromu Fuse, Kei Ohkubo, Motomu Kanai
Chemical Science Vol. 10 No. 12 p. 3459-3465 2019年 研究論文(学術雑誌)
Photochemical C-H oxygenation of side-chain methyl groups in polypropylene with chlorine dioxide
Kei Ohkubo, Haruyasu Asahara, Tsuyoshi Inoue
Chemical Communications Vol. 55 No. 32 p. 4723-4726 2019年 研究論文(学術雑誌)
メラトニンのラジカル消去機構と放射線によるマウスの脂質過酸化に対する防護効果
中西 郁夫, Manda Kailash, 大久保 敬, 上野 恵美, 上林 將人, 小澤 俊彦, 安西 和紀, 松本 謙一郎
日本放射線影響学会大会講演要旨集 Vol. 61回 p. 96-96 2018年11月
出版者・発行元:(一社)日本放射線影響学会Long-Lived Photoexcited State of a Mn(IV)-Oxo Complex Binding Scandium Ions That is Capable of Hydroxylating Benzene
Namita Sharma, Jieun Jung, Kei Ohkubo, Yong-Min Lee, Mohamed E. El-Khouly, Wonwoo Nam, Shunichi Fukuzumi
Journal of the American Chemical Society 2018年7月
出版者・発行元:American Chemical Society ({ACS})Mechanistic Insights into Homogeneous Electrocatalytic and Photocatalytic Hydrogen Evolution Catalyzed by High-Spin Ni(II) Complexes with S<inf>2</inf>N<inf>2</inf>-Type Tetradentate Ligands
Dachao Hong, Yuto Tsukakoshi, Hiroaki Kotani, Tomoya Ishizuka, Kei Ohkubo, Yoshihito Shiota, Kazunari Yoshizawa, Shunichi Fukuzumi, Takahiko Kojima
Inorganic Chemistry Vol. 57 No. 12 p. 7180-7190 2018年6月18日 研究論文(学術雑誌)
Inter- and Intramolecular Electron-Transfer Reduction Properties of Coronenediimide Derivatives via Photoinduced Processes
Motoki Yoshida, Hayato Sakai, Kei Ohkubo, Shunichi Fukuzumi, Taku Hasobe
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 122 No. 25 p. 13333-13346 2018年6月 研究論文(学術雑誌)
Mechanistic Insights into Homogeneous Electrocatalytic and Photocatalytic Hydrogen Evolution Catalyzed by High-Spin Ni(II) Complexes with S2N2‑Type Tetradentate Ligands
Hong, Dachao, Tsukakoshi, Yuto, Kotani, Hiroaki, Ishizuka, Tomoya, Ohkubo, Kei, Shiota, Yoshihito, Yoshizawa, Kazunari, Fukuzumi, Shunichi, Kojima, Takahiko
Inorganic Chemistry Vol. 57 No. 12 p. 7180-7190 2018年5月 研究論文(学術雑誌)
出版者・発行元:AMER CHEMICAL SOCA supramolecular photocatalyst composed of a polyoxometalate and a photosensitizing water-soluble porphyrin diacid for the oxidation of organic substrates in water
Tomoya Ishizuka, Shumpei Ohkawa, Hidemi Ochiai, Muneaki Hashimoto, Kei Ohkubo, Hiroaki Kotani, Masahiro Sadakane, Shunichi Fukuzumi, Takahiko Kojima
GREEN CHEMISTRY Vol. 20 No. 9 p. 1975-1980 2018年5月 研究論文(学術雑誌)
Assemblies of Boron Dipyrromethene/Porphyrin, Phthalocyanine, and C60 Moieties as Artificial Models of Photosynthesis: Synthesis, Supramolecular Interactions, and Photophysical Studies
Xiao-Fei Chen, Mohamed E. El-Khouly, Kei Ohkubo, Shunichi Fukuzumi, Dennis K. P. Ng
Chemistry - A European Journal Vol. 24 No. 15 p. 3862-3872 2018年3月12日 研究論文(学術雑誌)
出版者・発行元:Wiley-VCH VerlagInnenrücktitelbild: Light-Driven C−H Oxygenation of Methane into Methanol and Formic Acid by Molecular Oxygen Using a Perfluorinated Solvent (Angew. Chem. 8/2018)
Kei Ohkubo, Kensaku Hirose
Angewandte Chemie Vol. 57 No. 8 p. 2126-2129 2018年2月19日 研究論文(学術雑誌)
出版者・発行元:Wiley-BlackwellLight-Driven C−H Oxygenation of Methane into Methanol and Formic Acid by Molecular Oxygen Using a Perfluorinated Solvent
Kei Ohkubo, Kensaku Hirose
Angewandte Chemie Vol. 57 No. 8 p. 2126-2129 2018年2月19日 研究論文(学術雑誌)
出版者・発行元:Wiley-BlackwellInside Back Cover: Light-Driven C−H Oxygenation of Methane into Methanol and Formic Acid by Molecular Oxygen Using a Perfluorinated Solvent (Angew. Chem. Int. Ed. 8/2018)
Kei Ohkubo, Kensaku Hirose
Angewandte Chemie International Edition 2018年2月
出版者・発行元:Wiley-BlackwellA Triphenylamine-Naphthalenediimide-Fullerene Triad: Synthesis, Photoinduced Charge Separation and Solution-Processable Bulk Heterojunction Solar Cells
Doli Srivani, Akhil Gupta, Sidhanath V. Bhosale, Kei Ohkubo, Rajesh S. Bhosale, Shunichi Fukuzumi, Ante Bilic, Lathe A. Jones, Sheshanath V. Bhosale
ASIAN JOURNAL OF ORGANIC CHEMISTRY Vol. 7 No. 1 p. 220-226 2018年1月 研究論文(学術雑誌)
Ionic manipulation of charge-transfer and photodynamics of [60]fullerene confined in pyrrolo-tetrathiafulvalene cage
Steffen Bahring, Karina R. Larsen, Mustafa Supur, Kent A. Nielsen, Thomas Poulsen, Kei Ohkubo, Craig W. Marlatt, Eigo Miyazaki, Kazuo Takimiya, Amar H. Flood, Shunichi Fukuzumi, Jan O. Jeppesen
CHEMICAL COMMUNICATIONS Vol. 53 No. 71 p. 9898-9901 2017年9月 研究論文(学術雑誌)
Multi-level non-volatile organic transistor-based memory using lithium-ion-encapsulated fullerene as a charge trapping layer
Cuong Manh Tran, Heisuke Sakai, Yuki Kawashima, Kei Ohkubo, Shunichi Fukuzumi, Hideyuki Murata
ORGANIC ELECTRONICS Vol. 45 p. 234-239 2017年6月 研究論文(学術雑誌)
Dihydroxylation of styrene by sodium chlorite with scandium triflate
Ohkubo Kei, Hirose Kensaku, Shibata Takekatsu, Takamori Kiyoto, Fukuzumi Shunichi
Journal of Physical Organic Chemistry Vol. 30 No. 5 2017年5月1日 研究論文(学術雑誌)
Thermodynamics and Photodynamics of a Monoprotonated Porphyrin Directly Stabilized by Hydrogen Bonding with Polar Protic Solvents
Wataru Suzuki, Hiroaki Kotani, Tomoya Ishizuka, Kei Ohkubo, Yoshihito Shiota, Kazunari Yoshizawa, Shunichi Fukuzumi, Takahiko Kojima
CHEMISTRY-A EUROPEAN JOURNAL Vol. 23 No. 19 p. 4669-4679 2017年4月 研究論文(学術雑誌)
Exfoliation and supramolecular functionalization of graphene with an electron donor perylenediimide derivative
Luis Martin-Gomis, Nikos Karousis, Fernando Fernandez-Lazaro, Ioannis D. Petsalakis, Kei Ohkubo, Shunichi Fukuzumi, Nikos Tagmatarchis, Angela Sastre-Santos
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES Vol. 16 No. 4 p. 596-605 2017年4月 研究論文(学術雑誌)
Selective CO Production in Photoelectrochemical Reduction of CO2 with a Cobalt Chlorin Complex Adsorbed on Multiwalled Carbon Nanotubes in Water
Shoko Aoi, Kentaro Mase, Kei Ohkubo, Tomoyoshi Suenobu, Shunichi Fukuzumi
ACS ENERGY LETTERS Vol. 2 No. 3 p. 532-536 2017年3月 研究論文(学術雑誌)
Impact of peripheral substituents in regioselective synthesis of position-10 or position-20 bromo-bacteriochlorins
Mykhaylo Dukh, Penny Joshi, Kei Ohkubo, Walter Tabaczynski, Nayan J. Patel, Joseph R. Missert, Steve Zador, Shunichi Fukuzumi, Ravindra K. Pandey
TETRAHEDRON LETTERS Vol. 58 No. 9 p. 851-854 2017年3月 研究論文(学術雑誌)
Dual function photocatalysis of cyano-bridged heteronuclear metal complexes for water oxidation and two-electron reduction of dioxygen to produce hydrogen peroxide as a solar fuel
Yusuke Aratani, Tomoyoshi Suenobu, Kei Ohkubo, Yusuke Yamada, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 53 No. 24 p. 3473-3476 2017年3月 研究論文(学術雑誌)
Synthesis of methylated quercetin analogues for enhancement of radical-scavenging activity
Kohei Imai, Ikuo Nakanishi, Kei Ohkubo, Yusuke Ohba, Takuya Arai, Mirei Mizuno, Shunichi Fukuzumi, Ken-ichiro Matsumoto, Kiyoshi Fukuhara
RSC ADVANCES Vol. 7 No. 29 p. 17968-17979 2017年 研究論文(学術雑誌)
Photoinduced Electron Transfer in 9-Substituted 10-Methylacridinium Ions
Takeshi Tsudaka, Hiroaki Kotani, Kei Ohkubo, Tatsuo Nakagawa, Nikolai V. Tkachenko, Helge Lemmetyinen, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 23 No. 6 p. 1306-1317 2017年1月 研究論文(学術雑誌)
Photocatalyses of Ru(II)-Re(I) binuclear complexes connected through two ethylene chains for CO2 reduction
Ohkubo Kei, Yamazaki Yasuomi, Nakashima Takuya, Tamaki Yusuke, Koike Kazuhide, Ishitani Osamu
JOURNAL OF CATALYSIS Vol. 343 p. 278-289 2016年11月 研究論文(学術雑誌)
出版者・発行元:Photocatalytic Reduction of Low Concentration of CO2
Takuya Nakajima, Yusuke Tamaki, Kazuki Ueno, Eishiro Kato, Tetsuya Nishikawa, Kei Ohkubo, Yasuomi Yamazaki, Tatsuki Morimoto, Osamu Ishitani
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 138 No. 42 p. 13818-13821 2016年10月 研究論文(学術雑誌)
Axially Substituted Silicon Phthalocyanine as Electron Donor in a Dyad and Triad with Azafullerene as Electron Acceptor for Photoinduced Charge Separation
Georgios Rotas, Luis Martin-Gomis, Kei Ohkubo, Fernando Fernandez-Lazaro, Shunichi Fukuzumi, Nikos Tagmatarchis, Angela Sastre-Santos
CHEMISTRY-A EUROPEAN JOURNAL Vol. 22 No. 42 p. 15137-15143 2016年10月 研究論文(学術雑誌)
Solvent-Free Photooxidation of Alkanes by Dioxygen with 2,3-Dichloro-5,6-dicyano-p-benzoquinone via Photoinduced Electron Transfer
Kei Ohkubo, Kensaku Hirose, Shunichi Fukuzumi
CHEMISTRY-AN ASIAN JOURNAL Vol. 11 No. 16 p. 2255-2259 2016年8月 研究論文(学術雑誌)
Reactivity of 2,2-Diphenyl-1-picrylhydrazyl Solubilized in Water by beta-Cyclodextrin and Its Methylated Derivative
Ikuo Nakanishi, Kei Ohkubo, Masato Kamibayashi, Yukihiro Ogawa, Toshihiko Ozawa, Ken-Ichiro Matsumoto, Shunichi Fukuzumi
CHEMISTRYSELECT Vol. 1 No. 12 p. 3367-3370 2016年8月 研究論文(学術雑誌)
Catalytic reduction of proton, oxygen and carbon dioxide with cobalt macrocyclic complexes
Kentaro Mase, Shoko Aoi, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES Vol. 20 No. 8-11 p. 935-949 2016年8月 研究論文(学術雑誌)
Catalytic Hydroxylation of Benzene to Phenol by Dioxygen with an NADH Analogue
Kensaku Hirose, Kei Ohkubo, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 22 No. 36 p. 12904-12909 2016年8月 研究論文(学術雑誌)
Controllable Threshold Voltage in Organic Complementary Logic Circuits with an Electron-Trapping Polymer and Photoactive Gate Dielectric Layer
Toan Thanh Dao, Heisuke Sakai, Hai Thanh Nguyen, Kei Ohkubo, Shunichi Fukuzumi, Hideyuki Murate
ACS APPLIED MATERIALS & INTERFACES Vol. 8 No. 28 p. 18249-18255 2016年7月 研究論文(学術雑誌)
Photocatalytic Oxygenation of Substrates by Dioxygen with Protonated Manganese(III) Corrolazine
Jieun Jung, Heather M. Neu, Pannee Leeladee, Maxime A. Siegler, Kei Ohkubo, David P. Goldberg, Shunichi Fukuzumi
INORGANIC CHEMISTRY Vol. 55 No. 7 p. 3218-3228 2016年4月 研究論文(学術雑誌)
Aromatic Monochlorination Photosensitized by DDQ with Hydrogen Chloride under Visible-Light Irradiation
Kei Ohkubo, Atsushi Fujimoto, Shunichi Fukuzumi
CHEMISTRY-AN ASIAN JOURNAL Vol. 11 No. 7 p. 996-999 2016年4月 研究論文(学術雑誌)
Enhanced Electron Transfer Reactivity of a Nonheme Iron(IV)-Imido Complex as Compared to the Iron(IV)-Oxo Analogue
Anil Kumar Vardhaman, Yong-Min Lee, Jieun Jung, Kei Ohkubo, Wonwoo Nam, Shunichi Fukuzumi
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Vol. 55 No. 11 p. 3709-3713 2016年3月 研究論文(学術雑誌)
Effect of Metalation on Porphyrin-Based Bifunctional Agents in Tumor Imaging and Photodynamic Therapy
Nayan J. Patel, Yihui Chen, Penny Joshi, Paula Pera, Heinz Baumann, Joseph R. Missert, Kei Ohkubo, Shunichi Fukuzumi, Roger R. Nani, Martin J. Schnermann, Ping Chen, Jialiang Zhu, Karl M. Kadish, Ravindra K. Pandey
BIOCONJUGATE CHEMISTRY Vol. 27 No. 3 p. 667-680 2016年3月 研究論文(学術雑誌)
Photoinduced Processes of Supramolecular Nanoarrays Composed of Porphyrin and Benzo[ghi]perylenetriimide Units through Triple Hydrogen Bonds with One-Dimensional Columnar Phases
Hayato Sakai, Kei Ohkubo, Shunichi Fukuzumi, Taku Hasobe
CHEMISTRY-AN ASIAN JOURNAL Vol. 11 No. 4 p. 613-624 2016年2月 研究論文(学術雑誌)
Two-phase oxidation of toluene derivatives by dioxygen using the 3-cyano-1-decylquinolinium ion as a photocatalyst
Ohkubo Kei, Hirose Kensaku, Fukuzumi Shunichi
Rsc Advances Vol. 6 No. 47 p. 41011-41014 2016年 研究論文(学術雑誌)
Synthetically tuneable biomimetic artificial photosynthetic reaction centres that closely resemble the natural system in purple bacteria
Sai-Ho Lee, Iain M. Blake, Allan G. Larsen, James A. McDonald, Kei Ohkubo, Shunichi Fukuzumi, Jeffrey R. Reimers, Maxwell J. Crossley
CHEMICAL SCIENCE Vol. 7 No. 10 p. 6534-6550 2016年 研究論文(学術雑誌)
Synthetic control over intra- and intermolecular charge transfer can turn on the fluorescence emission of non-emissive coumarin
Byung Hak Jhun, Kei Ohkubo, Shunichi Fukuzumi, Youngmin You
JOURNAL OF MATERIALS CHEMISTRY C Vol. 4 No. 20 p. 4556-4567 2016年 研究論文(学術雑誌)
Photooxygenation of alkanes by dioxygen with p-benzoquinone derivatives with high quantum yields
Kei Ohkubo, Kensaku Hirose, Shunichi Fukuzumi
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES Vol. 15 No. 6 p. 731-734 2016年 研究論文(学術雑誌)
Photoinduced electron transfer in porous organic salt crystals impregnated with fullerenes
Tetsuya Hasegawa, Kei Ohkubo, Ichiro Hisaki, Mikiji Miyata, Norimitsu Tohnai, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 52 No. 51 p. 7928-7931 2016年 研究論文(学術雑誌)
Photocatalytic reduction of CO2 and H2O to CO and H-2 with a cobalt chlorin complex adsorbed on multi-walled carbon nanotubes
Shoko Aoi, Kentaro Mase, Kei Ohkubo, Shunichi Fukuzumi
CATALYSIS SCIENCE & TECHNOLOGY Vol. 6 No. 12 p. 4077-4080 2016年 研究論文(学術雑誌)
Photocatalytic oxidation of iron(II) complexes by dioxygen using 9-mesityl-10-methylacridinium ions
Takeshi Tsudaka, Kei Ohkubo, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 52 No. 36 p. 6178-6180 2016年 研究論文(学術雑誌)
Electrochemical reduction of cationic Li+ @C-60 to neutral Li+@C-60(center dot-): isolation and characterisation of endohedral [60] fulleride
Hiroshi Ueno, Shinobu Aoyagi, Yu Yamazaki, Kei Ohkubo, Naohiko Ikuma, Hiroshi Okada, Tatsuhisa Kato, Yutaka Matsuo, Shunichi Fukuzumi, Ken Kokubo
CHEMICAL SCIENCE Vol. 7 No. 9 p. 5770-5774 2016年 研究論文(学術雑誌)
Cyclic Tetramers of Zinc Chlorophylls as a Coupled Light-Harvesting Antenna-Charge-Separation System
Yoshinao Shinozaki, Kei Ohkubo, Shunichi Fukuzumi, Kosuke Sugawa, Joe Otsuki
CHEMISTRY-A EUROPEAN JOURNAL Vol. 22 No. 3 p. 1165-1176 2016年1月 研究論文(学術雑誌)
An amphoteric reactivity of a mixed-valent bis(mu-oxo)dimanganese(III,IV) complex acting as an electrophile and a nucleophile
Muniyandi Sankaralingam, So Hyun Jeon, Yong-Min Lee, Mi Sook Seo, Kei Ohkubo, Shunichi Fukuzumi, Wonwoo Nam
DALTON TRANSACTIONS Vol. 45 No. 1 p. 376-383 2016年 研究論文(学術雑誌)
Aluminium ion-promoted radical-scavenging reaction of methylated hydroquinone derivatives
Ikuo Nakanishi, Kei Ohkubo, Yukihiro Ogawa, Ken-ichiro Matsumoto, Toshihiko Ozawa, Shunichi Fukuzumi
ORGANIC & BIOMOLECULAR CHEMISTRY Vol. 14 No. 33 p. 7956-7961 2016年 研究論文(学術雑誌)
A profluorescent nitroxide probe for ascorbic acid detection and its application to quantitative analysis of diabetic rat plasma
Yuta Matsuoka, Kei Ohkubo, Toshihide Yamasaki, Mayumi Yamato, Hiroshi Ohtabu, Tomonori Shirouzu, Shunichi Fukuzumi, Ken-ichi Yamada
RSC ADVANCES Vol. 6 No. 65 p. 60907-60915 2016年 研究論文(学術雑誌)
Lewis Acid Coupled Electron Transfer of Metal-Oxygen Intermediates
Shunichi Fukuzumi, Kei Ohkubo, Yong-Min Lee, Wonwoo Nam
CHEMISTRY-A EUROPEAN JOURNAL Vol. 21 No. 49 p. 17548-17559 2015年12月 研究論文(学術雑誌)
Laser-Induced Dynamics of Peroxodicopper(II) Complexes Vary with the Ligand Architecture. One-Photon Two-Electron O-2 Ejection and Formation of Mixed-Valent (CuCuII)-Cu-I-Superoxide Intermediates
Claudio Saracini, Kei Ohkubo, Tomoyoshi Suenobu, Gerald J. Meyer, Kenneth D. Karlin, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 137 No. 50 p. 15865-15874 2015年12月 研究論文(学術雑誌)
Photocatalytic H-2 evolution from NADH with carbon quantum dots/Pt and 2-phenyl-4-(1-naphthyl)quinolinium ion
Wenting Wu, Liying Zhan, Kei Ohkubo, Yusuke Yamada, Mingbo Wu, Shunichi Fukuzumi
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY Vol. 152 p. 63-70 2015年11月 研究論文(学術雑誌)
Modulation of Energy Conversion Processes in Carbonaceous Molecular Bearings
Shunpei Hitosugi, Kei Ohkubo, Yuki Kawashima, Taisuke Matsuno, Sho Kamata, Kosuke Nakamura, Hirohiko Kono, Sota Sato, Shunichi Fukuzumi, Hiroyuki Isobe
CHEMISTRY-AN ASIAN JOURNAL Vol. 10 No. 11 p. 2404-2410 2015年11月 研究論文(学術雑誌)
Long-Lived Photoinduced Charge Separation in Inclusion Complexes Composed of a Phenothiazine-Bridged Cyclic Porphyrin Dimer and Fullerenes
Takuya Kamimura, Kei Ohkubo, Yuki Kawashima, Shuwa Ozako, Ken-ichi Sakaguchi, Shunichi Fukuzumi, Fumito Tani
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 119 No. 45 p. 25634-25650 2015年11月 研究論文(学術雑誌)
Effect of alkyl group on transnitrosation of N-nitrosothiazolidine thiocarboxamides
Keiko Inami, Yuta Ono, Sonoe Kondo, Ikuo Nakanishi, Kei Ohkubo, Shunichi Fukuzumi, Masataka Mochizuki
BIOORGANIC & MEDICINAL CHEMISTRY Vol. 23 No. 20 p. 6733-6739 2015年10月 研究論文(学術雑誌)
One-Step Selective Hydroxylation of Benzene to Phenol
Shunichi Fukuzumi, Kei Ohkubo
ASIAN JOURNAL OF ORGANIC CHEMISTRY Vol. 4 No. 9 p. 836-845 2015年9月
Activationless Electron Self-Exchange of High-Valent Oxo and Imido Complexes of Chromium Corroles
Shuo Liu, Jieun Jung, Kei Ohkubo, Scott D. Hicks, Curt J. Bougher, Mandi M. Abu-Omar, Shunichi Fukuzumi
INORGANIC CHEMISTRY Vol. 54 No. 18 p. 9223-9228 2015年9月 研究論文(学術雑誌)
A simple zinc-porphyrin-NDI dyad system generates a light energy to proton potential across a lipid membrane
Melissa M. A. Kelson, Rajesh S. Bhosale, Kei Ohkubo, Lathe A. Jones, Sidhanath V. Bhosale, Akhil Gupta, Shunichi Fukuzumi, Sheshanath V. Bhosale
DYES AND PIGMENTS Vol. 120 p. 340-346 2015年9月 研究論文(学術雑誌)
Formation of Ground State Triplet Diradicals from Annulated Rosarin Derivatives by Triprotonation
Shunichi Fukuzumi, Kei Ohkubo, Masatoshi Ishida, Christian Preihs, Bo Chen, Weston Thatcher Borden, Dongho Kim, Jonathan L. Sessler
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 137 No. 31 p. 9780-9783 2015年8月 研究論文(学術雑誌)
Coronenetetraimide-Centered Cruciform Pentamers Containing Multiporphyrin Units: Synthesis and Sequential Photoinduced Energy- and Electron-Transfer Dynamics
Taku Hasobe, Koichi Ida, Hayato Sakai, Kei Ohkubo, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 21 No. 31 p. 11196-11205 2015年7月 研究論文(学術雑誌)
Near-Infrared Photoelectrochemical Conversion via Photoinduced Charge Separation in Supramolecular Complexes of Anionic Phthalocyanines with Li+@C-60
Yuki Kawashima, Kei Ohkubo, Vicente Manuel Blas-Ferrando, Hayato Sakai, Enrique Font-Sanchis, Javier Ortiz, Fernando Fernandez-Lazaro, Taku Hasobe, Angela Sastre-Santos, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY B Vol. 119 No. 24 p. 7690-7697 2015年6月 研究論文(学術雑誌)
Efficient Epoxidation of Styrene Derivatives by a Nonheme Iron(IV)-Oxo Complex via Proton-Coupled Electron Transfer with Triflic Acid
Jiyun Park, Yong-Min Lee, Kei Ohkubo, Wonwoo Nam, Shunichi Fukuzumi
INORGANIC CHEMISTRY Vol. 54 No. 12 p. 5806-5812 2015年6月 研究論文(学術雑誌)
Broadband Light Harvesting and Fast Charge Separation in Ordered Self-Assemblies of Electron Donor-Acceptor-Functionalized Graphene Oxide Layers for Effective Solar Energy Conversion
Mustafa Supur, Yuki Kawashima, Kentaro Mase, Kei Ohkubo, Taku Hasobe, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 119 No. 24 p. 13488-13495 2015年6月 研究論文(学術雑誌)
Solubilisation of a 2,2-diphenyl-1-picrylhydrazyl radical in water by β-cyclodextrin to evaluate the radical-scavenging activity of antioxidants in aqueous media.
Ikuo Nakanishi, Kei Ohkubo, Kohei Imai, Masato Kamibayashi, Yasuo Yoshihashi, Ken-ichiro Matsumoto, Kiyoshi Fukuhara, Katsuhide Terada, Shinobu Itoh, Toshihiko Ozawa, Shunichi Fukuzumi
Chemical communications (Cambridge, England) Vol. 51 No. 39 p. 8311-4 2015年5月14日 研究論文(学術雑誌)
Catalytic Two-Electron Reduction of Dioxygen by Ferrocene Derivatives with Manganese(V) Corroles
Jieun Jung, Shuo Liu, Kei Ohkubo, Mahdi M. Abu-Omar, Shunichi Fukuzumi
INORGANIC CHEMISTRY Vol. 54 No. 9 p. 4285-4291 2015年5月 研究論文(学術雑誌)
Tetraphenylethene-Based Star Shaped Porphyrins: Synthesis, Self-assembly, and Optical and Photophysical Study
Anushri Rananaware, Rajesh S. Bhosale, Kei Ohkubo, Hemlata Patil, Lathe A. Jones, Sam L. Jackson, Shunichi Fukuzumi, Sidhanath V. Bhosale, Sheshanath V. Bhosale
JOURNAL OF ORGANIC CHEMISTRY Vol. 80 No. 8 p. 3832-3840 2015年4月 研究論文(学術雑誌)
Light-Driven, Proton-Controlled, Catalytic Aerobic C-H Oxidation Mediated by a Mn(III) Porphyrinoid Complex
Heather M. Neu, Jieun Jung, Regina A. Baglia, Maxime A. Siegler, Kei Ohkubo, Shunichi Fukuzumi, David P. Goldberg
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 137 No. 14 p. 4614-4617 2015年4月 研究論文(学術雑誌)
マウス乳腺がん細胞に対するポルフィリン化合物の超音波増感活性と作用機序の解析
島村 義樹, 玉谷 大, 水木 佑輔, 國安 翔太, 遠藤 良夫, 大久保 敬, 中西 郁夫, 久保 健太郎, 口池 大輔, 乾 利夫, 宇都 義浩
日本薬学会年会要旨集 Vol. 135年会 No. 2 p. 194-194 2015年3月
出版者・発行元:(公社)日本薬学会Lewis Acid-Induced Change from Four- to Two-Electron Reduction of Dioxygen Catalyzed by Copper Complexes Using Scandium Triflate
Saya Kakuda, Clarence J. Rolle, Kei Ohkubo, Maxime A. Siegler, Kenneth D. Karlin, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 137 No. 9 p. 3330-3337 2015年3月 研究論文(学術雑誌)
Solvent-Free One-Step Photochemical Hydroxylation of Benzene Derivatives by the Singlet Excited State of 2,3-Dichloro-5,6-dicyano-p-benzoquinone Acting as a Super Oxidant
Kei Ohkubo, Kensaku Hirose, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 21 No. 7 p. 2855-2861 2015年2月 研究論文(学術雑誌)
Much Enhanced Catalytic Reactivity of Cobalt Chlorin Derivatives on Two-Electron Reduction of Dioxygen to Produce Hydrogen Peroxide
Kentaro Mase, Kei Ohkubo, Shunichi Fukuzumi
INORGANIC CHEMISTRY Vol. 54 No. 4 p. 1808-1815 2015年2月 研究論文(学術雑誌)
Ru(II)-Re(I) binuclear photocatalysts connected by -CH2XCH2- (X = O, S, CH2) for CO2 reduction
Eishiro Kato, Hiroyuki Takeda, Kazuhide Koike, Kei Ohkubo, Osamu Ishitani
CHEMICAL SCIENCE Vol. 6 No. 5 p. 3003-3012 2015年 研究論文(学術雑誌)
Multiple photosynthetic reaction centres of porphyrinic polypeptide-Li+@C-60 supramolecular complexes
Kei Ohkubo, Tetsuya Hasegawa, Regis Rein, Nathalie Solladie, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 51 No. 99 p. 17517-17520 2015年 研究論文(学術雑誌)
Efficient singlet oxygen generation from sugar pendant C-60 derivatives for photodynamic therapy
Shigenobu Yano, Masami Naemura, Akio Toshimitsu, Motofusa Akiyama, Atsushi Ikeda, Jun-ichi Kikuchi, Xiande Shen, Qian Duan, Atsushi Narumi, Masahiro Inoue, Kei Ohkubo, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 51 No. 93 p. 16605-16608 2015年 研究論文(学術雑誌)
Catalytic two-electron reduction of dioxygen catalysed by metal-free [14]triphyrin(2.1.1)
Kentaro Mase, Kei Ohkubo, Zhaoli Xue, Hiroko Yamada, Shunichi Fukuzumi
CHEMICAL SCIENCE Vol. 6 No. 11 p. 6496-6504 2015年 研究論文(学術雑誌)
Efficient singlet oxygen generation from sugar pendant C-60 derivatives for photodynamic therapy
Shigenobu Yano, Masami Naemura, Akio Toshimitsu, Motofusa Akiyama, Atsushi Ikeda, Jun-ichi Kikuchi, Xiande Shen, Qian Duan, Atsushi Narumi, Masahiro Inoue, Kei Ohkubo, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 51 No. 93 p. 16605-16608 2015年 研究論文(学術雑誌)
Ultrafast photoinduced electron transfer in face-to-face charge-transfer pi-complexes of planar porphyrins and hexaazatriphenylene derivatives
Toru Aoki, Hayato Sakai, Kei Ohkubo, Tomo Sakanoue, Taishi Takenobu, Shunichi Fukuzumi, Taku Hasobe
CHEMICAL SCIENCE Vol. 6 No. 2 p. 1498-1509 2015年 研究論文(学術雑誌)
Synthesis and photodynamics of diphenylethynyl-bridged porphyrin-quinoidal porphyrin hybrids
Shuhei Sakatani, Takuya Kamimura, Kei Ohkubo, Shunichi Fukuzumi, Fumito Tani
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES Vol. 19 No. 1-3 p. 219-232 2015年1月 研究論文(学術雑誌)
Size-selective incorporation of donor-acceptor linked dyad cations into zeolite Y and long-lived charge separation
Shunichi Fukuzumi, Akinori Itoh, Kei Ohkubo, Tomoyoshi Suenobu
RSC ADVANCES Vol. 5 No. 56 p. 45582-45585 2015年 研究論文(学術雑誌)
Singlet oxygen generation from Li+@C-60 nano-aggregates dispersed by laser irradiation in aqueous solution
Kei Ohkubo, Naoki Kohno, Yusuke Yamada, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 51 No. 38 p. 8082-8085 2015年 研究論文(学術雑誌)
Selective electrochemical reduction of CO2 to CO with a cobalt chlorin complex adsorbed on multi-walled carbon nanotubes in water
Shoko Aoi, Kentaro Mase, Kei Ohkubo, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 51 No. 50 p. 10226-10228 2015年 研究論文(学術雑誌)
Redox behavior of novel nickel and palladium complexes supported by trianionic non-innocent ligand containing beta-diketiminate and phenol groups
Yuma Morimoto, June Takaichi, Shinichi Hanada, Kei Ohkubo, Hideki Sugimoto, Nobutaka Fujieda, Shunichi Fukuzumi, Shinobu Itoh
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES Vol. 19 No. 1-3 p. 377-387 2015年1月 研究論文(学術雑誌)
Photoinduced electron transfer in a supramolecular triad produced by porphyrin anion-induced electron transfer from tetrathiafulvalene calix[4]pyrrole to Li+@C-60
Christina M. Davis, Kei Ohkubo, Aaron D. Lammer, Dong Sub Kim, Yuki Kawashima, Jonathan L. Sessler, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 51 No. 48 p. 9789-9792 2015年 研究論文(学術雑誌)
On-off switch of charge-separated states of pyridine-vinylene-linked porphyrin-C-60 conjugates detected by EPR
Sabrina V. Kirner, Danny Arteaga, Christian Henkel, Johannes T. Margrat, Nuria Alegret, Kei Ohkubo, Braulio Insuasty, Alejandro Ortiz, Nazario Martin, Luis Echegoyen, Shunichi Fukuzumi, Timothy Clark, Dirk M. Guldi
CHEMICAL SCIENCE Vol. 6 No. 10 p. 5994-6007 2015年 研究論文(学術雑誌)
Near-infrared-induced electron transfer of an uranyl macrocyclic complex without energy transfer to dioxygen
Christina M. Davis, Kei Ohkubo, I-Ting Ho, Zhan Zhang, Masatoshi Ishida, Yuanyuan Fang, Vincent M. Lynch, Karl M. Kadish, Jonathan L. Sessler, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 51 No. 31 p. 6757-6760 2015年 研究論文(学術雑誌)
Metal-free hydrogen evolution with nanoparticles derived from pyrene via two-photon ionization induced by laser irradiation
Kei Ohkubo, Naoki Kohno, Yusuke Yamada, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 51 No. 57 p. 11515-11518 2015年 研究論文(学術雑誌)
Mechanisms and applications of cyclometalated Pt(II) complexes in photoredox catalytic trifluoromethylation
Won Joon Choi, Sungkyu Choi, Kei Ohkubo, Shunichi Fukuzumi, Eun Jin Cho, Youngmin You
CHEMICAL SCIENCE Vol. 6 No. 2 p. 1454-1464 2015年 研究論文(学術雑誌)
Mechanism of a one-photon two-electron process in photocatalytic hydrogen evolution from ascorbic acid with a cobalt chlorin complex
Shoko Aoi, Kentaro Mase, Kei Ohkubo, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 51 No. 82 p. 15145-15148 2015年 研究論文(学術雑誌)
Laser-induced pinpoint hydrogen evolution from benzene and water using metal free single-walled carbon nanotubes with high quantum yields
Kei Ohkubo, Naoki Kohno, Yusuke Yamada, Shunichi Fukuzumi
CHEMICAL SCIENCE Vol. 6 No. 1 p. 666-674 2015年 研究論文(学術雑誌)
Graphene oxide-Li+@C-60 donor-acceptor composites for photoenergy conversion
Mustafa Supur, Yuki Kawashima, Kei Ohkubo, Hayato Sakai, Taku Hasobe, Shunichi Fukuzumi
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 17 No. 24 p. 15732-15738 2015年 研究論文(学術雑誌)
Enzyme repurposing of a hydrolase as an emergent peroxidase upon metal binding
Nobutaka Fujieda, Jonas Schaetti, Edward Stuttfeld, Kei Ohkubo, Timm Maier, Shunichi Fukuzumi, Thomas R. Ward
CHEMICAL SCIENCE Vol. 6 No. 7 p. 4060-4065 2015年 研究論文(学術雑誌)
Energy migration within hexameric hemoprotein reconstituted with Zn porphyrinoid molecules
Koji Oohora, Tsuyoshi Mashima, Kei Ohkubo, Shunichi Fukuzumi, Takashi Hayashi
CHEMICAL COMMUNICATIONS Vol. 51 No. 55 p. 11138-11140 2015年 研究論文(学術雑誌)
Efficient Charge Separation in Li+@C-60 Supramolecular Complexes with Electron Donors
Yuki Kawashima, Kei Ohkubo, Shunichi Fukuzumi
CHEMISTRY-AN ASIAN JOURNAL Vol. 10 No. 1 p. 44-54 2015年1月
Does a nitrogen matter? Synthesis and photoinduced electron transfer of perylenediimide donors covalently linked to C59N and C-60 acceptors
Luis Martin-Gomis, Georgios Rotas, Kei Ohkubo, Fernando Fernandez-Lazaro, Shunichi Fukuzumi, Nikos Tagmatarchis, Angela Sastre-Santos
NANOSCALE Vol. 7 No. 16 p. 7437-7444 2015年 研究論文(学術雑誌)
Supramolecular Formation of Li+@PCBM Fullerene with Sulfonated Porphyrins and Long-Lived Charge Separation
Yuki Kawashima, Kei Ohkubo, Hiroshi Okada, Yutaka Matsuo, Shunichi Fukuzumi
CHEMPHYSCHEM Vol. 15 No. 17 p. 3782-3790 2014年12月 研究論文(学術雑誌)
Photoinduced charge separation in ordered self-assemblies of perylenediimide-graphene oxide hybrid layers
Mustafa Supur, Kei Ohkubo, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 50 No. 87 p. 13359-13361 2014年11月 研究論文(学術雑誌)
Binding of Scandium Ions to Metalloporphyrin-Flavin Complexes for Long-Lived Charge Separation
Takahiko Kojima, Ryosuke Kobayashi, Tomoya Ishizuka, Shinya Yamakawa, Hiroaki Kotani, Tatsuaki Nakanishi, Kei Ohkubo, Yoshihito Shiota, Kazunari Yoshizawa, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 20 No. 47 p. 15518-15532 2014年11月 研究論文(学術雑誌)
Robust Inclusion Complexes of Crown Ether Fused Tetrathiafulvalenes with Li+@C-60 to Afford Efficient Photodriven Charge Separation
Mustafa Supur, Yuki Kawashima, Karina R. Larsen, Kei Ohkubo, Jan O. Jeppesen, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 20 No. 43 p. 13976-13983 2014年10月 研究論文(学術雑誌)
Photoelectrochemical properties of supramolecular composites of an anionic zinc chlorin and Li+@C-60 on SnO2
Kei Ohkubo, Yuki Kawashima, Kentaro Mase, Hayato Sakai, Taku Hasobe, Shunichi Fukuzumi
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES Vol. 18 No. 10-11 p. 982-990 2014年10月 研究論文(学術雑誌)
Formation of the Long-Lived Charge-Separated State of the 9-Mesityl-10-methylacridinium Cation Incorporated into Mesoporous Aluminosilicate at High Temperatures
Shunichi Fukuzumi, Akinori Itoh, Tomoyoshi Suenobu, Kei Ohkubo
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 118 No. 41 p. 24188-24196 2014年10月 研究論文(学術雑誌)
Photoinduced Electron Transfer in a Charge-Transfer Complex Formed between Corannulene and Li+@C-60 by Concave-Convex pi-pi Interactions
Mihoko Yamada, Kei Ohkubo, Mitsuhiko Shionoya, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 136 No. 38 p. 13240-13248 2014年9月 研究論文(学術雑誌)
Sumanenetrione Anions Generated by Electrochemical and Chemical Reduction
Shuhei Higashibayashi, Binod Babu Shrestha, Yuki Morita, Masahiro Ehara, Kei Ohkubo, Shunichi Fukuzumi, Hidehiro Sakurai
CHEMISTRY LETTERS Vol. 43 No. 8 p. 1297-1299 2014年8月 研究論文(学術雑誌)
Photocatalytic Oxygenation of 10-Methyl-9,10-dihydroacridine by O-2 with Manganese Porphyrins
Jieun Jung, Kei Ohkubo, David P. Godberg, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 118 No. 32 p. 6223-6229 2014年8月 研究論文(学術雑誌)
Organic synthetic transformations using organic dyes as photoredox catalysts
Shunichi Fukuzumi, Kei Ohkubo
ORGANIC & BIOMOLECULAR CHEMISTRY Vol. 12 No. 32 p. 6059-6071 2014年8月
Evaluation of the Sonosensitizing Activities of 5-Aminolevulinic Acid and Sn(IV) Chlorin e6 in Tumor-bearing Chick Embryos
Yoshihiro Uto, Dai Tamatani, Yusuke Mizuki, Yoshio Endo, Ikuo Nakanishi, Kei Ohkubo, Shunichi Fukuzumi, Masahiro Ishizuka, Tohru Tanaka, Daisuke Kuchiike, Kentaro Kubo, Toshio Inui, Hitoshi Hori
ANTICANCER RESEARCH Vol. 34 No. 8 p. 4583-4587 2014年8月 研究論文(学術雑誌)
Cyclo[8]pyrrole: An Androgynous Expanded Porphyrin That Acts as Both an Electron Donor and Acceptor in Anion-Bound Supramolecular Electron Donor-Acceptor Complexes
Kei Ohkubo, Kentaro Mase, Elizabeth Karnas, Jonathan L. Sessler, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 118 No. 32 p. 18436-18444 2014年8月 研究論文(学術雑誌)
Mechanistic Insights into the Oxidation of Substituted Phenols via Hydrogen Atom Abstraction by a Cupric-Superoxo Complex
Jung Yoon Lee, Ryan L. Peterson, Kei Ohkubo, Isaac Garcia-Bosch, Richard A. Himes, Julia Woertink, Cathy D. Moore, Edward I. Solomon, Shunichi Fukuzumi, Kenneth D. Karlin
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 136 No. 28 p. 9925-9937 2014年7月 研究論文(学術雑誌)
Redox Chemistry of Nickel(II) Complexes Supported by a Series of Noninnocent beta-Diketiminate Ligands
June Takaichi, Yuma Morimoto, Kei Ohkubo, Chizu Shimokawa, Takayuki Hojo, Seiji Mori, Haruyasu Asahara, Hideki Sugimoto, Nobutaka Fujieda, Nagatoshi Nishiwaki, Shunichi Fukuzumi, Shinobu Itoh
INORGANIC CHEMISTRY Vol. 53 No. 12 p. 6159-6169 2014年6月 研究論文(学術雑誌)
Photoinduced Electron Transfer in a Dynamic Supramolecular System with Curved pi-Structures
Shunpei Hitosugi, Kei Ohkubo, Ryosuke Iizuka, Yuki Kawashima, Kosuke Nakamura, Sota Sato, Hirohiko Kono, Shunichi Fukuzumi, Hiroyuki Isobe
ORGANIC LETTERS Vol. 16 No. 12 p. 3352-3355 2014年6月 研究論文(学術雑誌)
Photoinduced Electron Transfer from a Tetrathiafulvalene-Calix[4]pyrrole to a Porphyrin Carboxylate within a Supramolecular Ensemble
Christina M. Davis, Yuki Kawashima, Kei Ohkubo, Jong Min Lim, Dongho Kim, Shunichi Fukuzumi, Jonathan L. Sessler
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 118 No. 25 p. 13503-13513 2014年6月 研究論文(学術雑誌)
Photochemical Behavior of Single-Walled Carbon Nanotubes in the Presence of Propylamine
Yutaka Maeda, Yuhei Hasuike, Kei Ohkubo, Atsushi Tashiro, Shinya Kaneko, Masayuki Kikuta, Michio Yamada, Tadashi Hasegawa, Takeshi Akasaka, Jing Zhou, Jing Lu, Shigeru Nagase, Shunichi Fukuzumi
CHEMPHYSCHEM Vol. 15 No. 9 p. 1821-1826 2014年6月 研究論文(学術雑誌)
Long-Lived Charge Separation and Applications in Artificial Photosynthesis
Shunichi Fukuzumi, Kei Ohkubo, Tomoyoshi Suenobu
ACCOUNTS OF CHEMICAL RESEARCH Vol. 47 No. 5 p. 1455-1464 2014年5月
Electron-Transfer Reduction Properties and Excited-State Dynamics of Benzo[ghi]peryleneimide and Coroneneimide Derivatives
Koichi Ida, Hayato Sakai, Kei Ohkubo, Yasuyuki Araki, Takehiko Wada, Tomo Sakanoue, Taishi Takenobu, Shunichi Fukuzumi, Taku Hasobe
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 118 No. 14 p. 7710-7720 2014年4月 研究論文(学術雑誌)
腫瘍移植鶏卵モデルを用いた5-aminolevulinic acidおよびTin chlorin e6の超音波増感活性の評価
玉谷 大, 宇都 義浩, 水木 佑輔, 國安 翔太, 野口 智帆, 遠藤 良夫, 中西 郁夫, 大久保 敬, 石塚 昌宏, 田中 徹, 口池 大輔, 久保 健太郎, 乾 利夫, 堀 均
日本薬学会年会要旨集 Vol. 134年会 No. 2 p. 233-233 2014年3月
出版者・発行元:(公社)日本薬学会Photochemical Oxidation of a Manganese(III) Complex with Oxygen and Toluene Derivatives to Form the Manganese(V)-Oxo Complex
J. Jung, K. Ohkubo, S. Fukuzumi, K. Prokop-Prigge, D. P. Goldberg, S. Fukuzumi
JOURNAL OF BIOLOGICAL INORGANIC CHEMISTRY Vol. 19 p. S462-S462 2014年3月
Efficient Two-Electron Reduction of Dioxygen to Hydrogen Peroxide with a Small Overpotential Catalyzed by a Cobalt Chlorin Complex
K. Mase, K. Ohkubo, S. Fukuzumi, S. Fukuzumi
JOURNAL OF BIOLOGICAL INORGANIC CHEMISTRY Vol. 19 p. S528-S528 2014年3月
Macrocyclic Dyads Based on C-60 and Perylenediimides Connected by Click Chemistry
Sara Pla, Luis Martin-Gomis, Kei Ohkubo, Shunichi Fukuzumi, Fernando Fernandez-Lazaro, Angela Sastre-Santos
ASIAN JOURNAL OF ORGANIC CHEMISTRY Vol. 3 No. 2 p. 185-197 2014年2月 研究論文(学術雑誌)
Enhancement of ultraviolet light responsivity of a pentacene phototransistor by introducing photoactive molecules into a gate dielectric
Toan Thanh Dao, Toshinori Matsushima, Motonobu Murakami, Kei Ohkubo, Shunichi Fukuzumi, Hideyuki Murata
JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 53 No. 2 2014年2月 研究論文(学術雑誌)
Bisdonor-azaBODIPY-Fullerene Supramolecules: Syntheses, Characterization, and Light-Induced Electron-Transfer Studies
Venugopal Bandi, Mohamed E. El-Khouly, Kei Ohkubo, Vladimir N. Nesterov, Melvin E. Zandler, Shunichi Fukuzumi, Francis D'Souza
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 118 No. 5 p. 2321-2332 2014年2月 研究論文(学術雑誌)
Submillisecond-lived photoinduced charge separation in a fully conjugated phthalocyanine-perylenebenzimidazole dyad
Vicente M. Blas-Ferrando, Javier Ortiz, Kei Ohkubo, Shunichi Fukuzumi, Fernando Fernandez-Lazaro, Angela Sastre-Santos
CHEMICAL SCIENCE Vol. 5 No. 12 p. 4785-4793 2014年 研究論文(学術雑誌)
Photoinduced electron transfer in a carbon nanohorn-C-60 conjugate
Maria Vizuete, Maria Jose Gomez-Escalonilla, Jose Luis G. Fierro, Kei Ohkubo, Shunichi Fukuzumi, Masako Yudasaka, Sumio Iijima, Jean-Francois Nierengarten, Fernando Langa
CHEMICAL SCIENCE Vol. 5 No. 5 p. 2072-2080 2014年 研究論文(学術雑誌)
Long-lived charge-separated states produced in supramolecular complexes between anionic and cationic porphyrins
Nathan L. Bill, Masatoshi Ishida, Yuki Kawashima, Kei Ohkubo, Young Mo Sung, Vincent M. Lynch, Jong Min Lim, Dongho Kim, Jonathan L. Sessler, Shunichi Fukuzumi
CHEMICAL SCIENCE Vol. 5 No. 10 p. 3888-3896 2014年 研究論文(学術雑誌)
Long-lived charge separation in a rigid pentiptycene bis(crown ether)-Li+@C-60 host-guest complex
Mustafa Supur, Yuki Kawashima, Ying-Xian Ma, Kei Ohkubo, Chuan-Feng Chen, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 50 No. 99 p. 15796-15798 2014年 研究論文(学術雑誌)
Highly efficient cycloreversion of photochromic dithienylethene compounds using visible light-driven photoredox catalysis
Sumin Lee, Youngmin You, Kei Ohkubo, Shunichi Fukuzumi, Wonwoo Nam
CHEMICAL SCIENCE Vol. 5 No. 4 p. 1463-1474 2014年 研究論文(学術雑誌)
Electronic infrared light absorption of a tri-palladium complex containing two pi-expanded tetracene ligands
Tsuyoshi Suzuki, Takafumi Nakagawa, Kei Ohkubo, Shunichi Fukuzumi, Yutaka Matsuo
CHEMICAL SCIENCE Vol. 5 No. 12 p. 4888-4894 2014年 研究論文(学術雑誌)
Disproportionation of a 2,2-diphenyl-1-picrylhydrazyl radical as a model of reactive oxygen species catalysed by Lewis and/or Bronsted acids
Ikuo Nakanishi, Tomonori Kawashima, Kei Ohkubo, Tsukasa Waki, Yoshihiro Uto, Tadashi Kamada, Toshihiko Ozawa, Ken-ichiro Matsumotoa, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 50 No. 7 p. 814-816 2014年 研究論文(学術雑誌)
Control of reaction pathways in the photochemical reaction of a quinone with tetramethylethylene by metal binding
Hiroaki Yamamoto, Kei Ohkubo, Seiji Akimoto, Shunichi Fukuzumi, Akihiko Tsuda
ORGANIC & BIOMOLECULAR CHEMISTRY Vol. 12 No. 36 p. 7004-7017 2014年 研究論文(学術雑誌)
Erratum: Comparison of in vivo and in vitro antioxidative parameters for eleven food factors (RSC Advances (2013) DOI:10.1039/c3ra22686g)
Hiroko P. Indo, Ikuo Nakanishi, Kei Ohkubo, Hsiu Chuan Yen, Minako Nyui, Sushma Manda, Ken Ichiro Matsumoto, Kiyoshi Fukuhara, Kazunori Anzai, Nobuo Ikota, Hirofumi Matsui, Yukiko Minamiyama, Akira Nakajima, Hiroshi Ichikawa, Shunichi Fukuzumi, Toshihiko Ozawa, Chiaki Mukai, Hideyuki J. Majima
RSC Advances Vol. 3 No. 48 2013年12月28日 研究論文(学術雑誌)
Photochemical Oxidation of a Manganese(III) Complex with Oxygen and Toluene Derivatives to Form a Manganese(V)-Oxo Complex
Jieun Jung, Kei Ohkubo, Katharine A. Prokop-Prigge, Heather M. Neu, David P. Goldberg, Shunichi Fukuzumi
INORGANIC CHEMISTRY Vol. 52 No. 23 p. 13594-13604 2013年12月 研究論文(学術雑誌)
Photocatalytic Monofluorination of Benzene by Fluoride via Photoinduced Electron Transfer with 3-Cyano-1-methylquinolinium
Kei Ohkubo, Atsushi Fujimoto, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 117 No. 41 p. 10719-10725 2013年10月 研究論文(学術雑誌)
Electron Transfer in a Supramolecular Complex of Zinc Chlorin Carboxylate Anion with Li+@C-60 Affording the Long-Lived Charge-Separated State
Yuki Kawashima, Kei Ohkubo, Mase Kentaro, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 117 No. 41 p. 21166-21177 2013年10月 研究論文(学術雑誌)
Small reorganization energies of photoinduced electron transfer between spherical fullerenes
Yuki Kawashima, Kei Ohkubo, Shunichi Fukuzumi
Journal of Physical Chemistry A Vol. 117 No. 31 p. 6737-6743 2013年8月8日 研究論文(学術雑誌)
Photosynthetic Antenna-Reaction Center Mimicry with a Covalently Linked Monostyryl Boron-Dipyrromethene-Aza-Boron-Dipyrromethene-C-60 Triad
Wen-Jing Shi, Mohamed E. El-Khouly, Kei Ohkubo, Shunichi Fukuzumi, Dennis K. P. Ng
CHEMISTRY-A EUROPEAN JOURNAL Vol. 19 No. 34 p. 11332-11341 2013年8月 研究論文(学術雑誌)
eta(5)-Cyclopentadienyliron(II)-[14]Triphyrin(2.1.1) Sandwich Compounds: Synthesis, Characterization, and Stable Redox Interconversion
Zhaoli Xue, Daiki Kuzuhara, Shinya Ikeda, Yuka Sakakibara, Kei Ohkubo, Naoki Aratani, Tetsuo Okujima, Hidemitsu Uno, Shunichi Fukuzumi, Hiroko Yamada
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Vol. 52 No. 28 p. 7306-7309 2013年7月 研究論文(学術雑誌)
Porphyrins Fused with Strongly Electron-Donating 1,3-Dithiol-2-ylidene Moieties: Redox Control by Metal Cation Complexation and Anion Binding
Nathan L. Bill, Masatoshi Ishida, Steffen Bahring, Jong Min Lim, Sangsu Lee, Christina M. Davis, Vincent M. Lynch, Kent A. Nielsen, Jan O. Jeppesen, Kei Ohkubo, Shunichi Fukuzumi, Dongho Kim, Jonathan L. Sessler
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 135 No. 29 p. 10852-10862 2013年7月 研究論文(学術雑誌)
Electrochemical Synthesis of Transparent, Amorphous, C60-Rich, Photoactive, and Low-Doped Film with an Interconnected Structure
Mao Li, Shinsuke Ishihara, Kei Ohkubo, Meiyong Liao, Qingmin Ji, Cheng Gu, Yuyu Pan, Xiangfen Jiang, Misaho Akada, Jonathan P. Hill, Takashi Nakanishi, Yuguang Ma, Yusuke Yamauchi, Shunichi Fukuzumi, Katsuhiko Ariga
SMALL Vol. 9 No. 12 p. 2064-2068 2013年6月 研究論文(学術雑誌)
Excitation-Wavelength-Dependent, Ultrafast Photoinduced Electron Transfer in Bisferrocene/BF2-Chelated-Azadipyrromethene/Fullerene Tetrads
Venugopal Bandi, Mohamed E. El-Khouly, Kei Ohkubo, Vladimir N. Nesterov, Melvin E. Zandler, Shunichi Fukuzumi, Francis D'Souza
CHEMISTRY-A EUROPEAN JOURNAL Vol. 19 No. 22 p. 7221-7230 2013年5月 研究論文(学術雑誌)
Enhanced Catalytic Four-Electron Dioxygen (O-2) and Two-Electron Hydrogen Peroxide (H2O2) Reduction with a Copper(II) Complex Possessing a Pendant Ligand Pivalamido Group
Saya Kakuda, Ryan L. Peterson, Kei Ohkubo, Kenneth D. Karlin, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 135 No. 17 p. 6513-6522 2013年5月 研究論文(学術雑誌)
Acetate Induced Enhancement of Photocatalytic Hydrogen Peroxide Production from Oxalic Acid and Dioxygen
Yusuke Yamada, Akifumi Nomura, Takamitsu Miyahigashi, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 117 No. 18 p. 3751-3760 2013年5月 研究論文(学術雑誌)
Helicity-selective photoreaction of single-walled carbon nanotubes with organosulfur compounds in the presence of oxygen
Yutaka Maeda, Junki Higo, Yuri Amagai, Jun Matsui, Kei Ohkubo, Yusuke Yoshigoe, Masahiro Hashimoto, Kazuhiro Eguchi, Michio Yamada, Tadashi Hasegawa, Yoshinori Sato, Jing Zhou, Jing Lu, Tokuji Miyashita, Shunichi Fukuzumi, Tatsuya Murakami, Kazuyuki Tohji, Shigeru Nagase, Takeshi Akasaka
Journal of the American Chemical Society Vol. 135 No. 16 p. 6356-6362 2013年4月24日 研究論文(学術雑誌)
Comparison of in vivo and in vitro antioxidative parameters for eleven food factors
Hiroko P. Indo, Ikuo Nakanishi, Kei Ohkubo, Hsiu-Chuan Yen, Minako Nyui, Sushma Manda, Ken-Ichiro Matsumoto, Kiyoshi Fukuhara, Kazunori Anzai, Nobuo Ikota, Hirofumi Matsui, Yukiko Minamiyama, Akira Nakajima, Hiroshi Ichikawa, Shunichi Fukuzumi, Toshihiko Ozawa, Chiaki Mukai, Hideyuki J. Majima
RSC Advances Vol. 3 No. 14 p. 4535-4538 2013年4月14日 研究論文(学術雑誌)
Visible-Light-Induced Oxygenation of Benzene by the Triplet Excited State of 2,3-Dichloro-5,6-dicyano-p-benzoquinone
Kei Ohkubo, Atsushi Fujimoto, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 135 No. 14 p. 5368-5371 2013年4月 研究論文(学術雑誌)
Decorating single layer graphene oxide with donor-acceptor molecules in an electron transfer process
Sushanta K. Das, B. K. C. Chandra, Kei Ohkubo, Shunichi Fukuzumi, Francis D'Souza
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY Vol. 245 2013年4月
Decorating single layer graphene oxide with electron donor and acceptor molecules for the study of photoinduced electron transfer
Sushanta K. Das, Chandra B. Kc, Kei Ohkubo, Yusuke Yamada, Shunichi Fukuzumi, Francis D'Souza
Chemical Communications Vol. 49 No. 20 p. 2013-2015 2013年3月11日 研究論文(学術雑誌)
Remarkable Enhancement of Photocatalytic Hydrogen Evolution Efficiency Utilizing An Internal Cavity of Supramolecular Porphyrin Hexagonal Nanocylinders Under Visible-Light Irradiation
Taku Hasobe, Hayato Sakai, Kentaro Mase, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 117 No. 9 p. 4441-4449 2013年3月 研究論文(学術雑誌)
Acid-Induced Mechanism Change and Overpotential Decrease in Dioxygen Reduction Catalysis with a Dinuclear Copper Complex
Dipanwita Das, Yong-Min Lee, Kei Ohkubo, Wonwoo Nam, Kenneth D. Karlin, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 135 No. 10 p. 4018-4026 2013年3月 研究論文(学術雑誌)
Efficient two-electron reduction of dioxygen to hydrogen peroxide with one-electron reductants with a small overpotential catalyzed by a cobalt chlorin complex
Kentaro Mase, Kei Ohkubo, Shunichi Fukuzumi
Journal of the American Chemical Society Vol. 135 No. 7 p. 2800-2808 2013年2月20日 研究論文(学術雑誌)
Temperature-Independent Catalytic Two-Electron Reduction of Dioxygen by Ferrocenes with a Copper(II) Tris[2-(2-pyridyl)ethyl]amine Catalyst in the Presence of Perchloric Acid
Dipanwita Das, Yong-Min Lee, Kei Ohkubo, Wonwoo Nam, Kenneth D. Karlin, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 135 No. 7 p. 2825-2834 2013年2月 研究論文(学術雑誌)
COD ID: 4117691
Hoshino Manabu, Uekusa Hidehiro, Tomita Ayana, Koshihara Shin-ya, Sato Tokushi, Nozawa Shunsuke, Adachi Shin-ichi, Ohkubo Kei, Kotani Hiroaki, Fukuzumi Shunichi
2013年
The long-lived electron transfer state of the 2-phenyl-4-(1-naphthyl)quinolinium ion incorporated into nanosized mesoporous silica-alumina acting as a robust photocatalyst in water
Yusuke Yamada, Akifumi Nomura, Kei Ohkubo, Tomoyoshi Suenobu, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 49 No. 45 p. 5132-5134 2013年 研究論文(学術雑誌)
Tetrathiafulvalene-annulated [28]hexaphyrin(1.1.1.1.1.1): a multi-electron donor system subject to conformational control
Atanu Jana, Masatoshi Ishida, Kevin Cho, Sudip Kumar Ghosh, Kyuju Kwak, Kei Ohkubo, Young Mo Sung, Christina M. Davis, Vincent M. Lynch, Dongil Lee, Shunichi Fukuzumi, Dongho Kim, Jonathan L. Sessler
CHEMICAL COMMUNICATIONS Vol. 49 No. 79 p. 8937-8939 2013年 研究論文(学術雑誌)
Submillisecond-lived photoinduced charge separation in inclusion complexes composed of Li+@C-60 and cyclic porphyrin dimers
Takuya Kamimura, Kei Ohkubo, Yuki Kawashima, Hirofumi Nobukuni, Yoshinori Naruta, Fumito Tani, Shunichi Fukuzumi
CHEMICAL SCIENCE Vol. 4 No. 4 p. 1451-1461 2013年 研究論文(学術雑誌)
Selective photocatalytic reactions with organic photocatalysts
Shunichi Fukuzumi, Kei Ohkubo
CHEMICAL SCIENCE Vol. 4 No. 2 p. 561-574 2013年 研究論文(学術雑誌)
Protonation-coupled redox reactions in planar antiaromatic meso-pentafluorophenyl-substituted o-phenylene-bridged annulated rosarins
Masatoshi Ishida, Soo-Jin Kim, Christian Preihs, Kei Ohkubo, Jong Min Lim, Byung Sun Lee, Jung Su Park, Vincent M. Lynch, Vladimir V. Roznyatovskiy, Tridib Sarma, Pradeepta K. Panda, Chang-Hee Lee, Shunichi Fukuzumi, Dongho Kim, Jonathan L. Sessler
NATURE CHEMISTRY Vol. 5 No. 1 p. 15-20 2013年1月 研究論文(学術雑誌)
Oxygenation and chlorination of aromatic hydrocarbons with hydrochloric acid photosensitized by 9-mesityl-10-methylacridinium under visible light irradiation
Kei Ohkubo, Kentaro Mizushima, Shunichi Fukuzumi
Research on Chemical Intermediates Vol. 39 No. 1 p. 205-220 2013年1月 研究論文(学術雑誌)
Long-lived photoinduced charge separation for solar cell applications in supramolecular complexes of multi-metalloporphyrins and fullerenes
Shunichi Fukuzumi, Kei Ohkubo
DALTON TRANSACTIONS Vol. 42 No. 45 p. 15846-15858 2013年 研究論文(学術雑誌)
Ionic conductivity of [Li+@C-60](PF6-) in organic solvents and its electrochemical reduction to Li+@C-60(center dot-)
Hiroshi Ueno, Ken Kokubo, Yuji Nakamura, Kei Ohkubo, Naohiko Ikuma, Hiroshi Moriyama, Shunichi Fukuzumi, Takumi Oshima
CHEMICAL COMMUNICATIONS Vol. 49 No. 67 p. 7376-7378 2013年 研究論文(学術雑誌)
Enhanced photoelectrochemical performance of composite photovoltaic cells of Li+@C-60-sulphonated porphyrin supramolecular nanoclusters
Kei Ohkubo, Yuki Kawashima, Hayato Sakai, Taku Hasobe, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 49 No. 40 p. 4474-4476 2013年 研究論文(学術雑誌)
Copper complexes of the non-innocent beta-diketiminate ligand containing phenol groups
June Takaichi, Kei Ohkubo, Hideki Sugimoto, Motohiro Nakano, Daisuke Usa, Hiroaki Maekawa, Nobutaka Fujieda, Nagatoshi Nishiwaki, Shu Seki, Shunichi Fukuzumi, Shinobu Itoh
DALTON TRANSACTIONS Vol. 42 No. 7 p. 2438-2444 2013年 研究論文(学術雑誌)
A broad-band capturing and emitting molecular triad: synthesis and photochemistry
Venugopal Bandi, Kei Ohkubo, Shunichi Fukuzumi, Francis D'Souza
CHEMICAL COMMUNICATIONS Vol. 49 No. 28 p. 2867-2869 2013年 研究論文(学術雑誌)
A 'two-point' bound zinc porphyrin-zinc phthalocyanine-fullerene supramolecular triad for sequential energy and electron transfer
Chandra B. Kc, Kei Ohkubo, Paul A. Karr, Shunichi Fukuzumi, Francis D'Souza
CHEMICAL COMMUNICATIONS Vol. 49 No. 69 p. 7614-7616 2013年 研究論文(学術雑誌)
Synthesis, Photophysical and Electrochemistry of Near-IR Absorbing Bacteriochlorins Related to Bacteriochlorophyll a
Andrei Kozyrev, Manivannan Ethirajan, Ping Chen, Kei Ohkubo, Byron C. Robinson, Kathleen M. Barkigia, Shunichi Fukuzumi, Karl M. Kadish, Ravindra K. Pandey
JOURNAL OF ORGANIC CHEMISTRY Vol. 77 No. 22 p. 10260-10271 2012年11月 研究論文(学術雑誌)
Radical-Scavenging Reactions of Ascorbic Acid and Its Analogue in the Presence of a Redox-Inactive Metal Ion
Ikuo Nakanishi, Keiko Inami, Shogo Nomura, Kei Ohkubo, Tomonori Kawashima, Masataka Mochizuki, Shunichi Fukuzumi, Toshihiko Ozawa, Ken-ichiro Alatsumoto
FREE RADICAL BIOLOGY AND MEDICINE Vol. 53 p. S151-S151 2012年11月
Observation of Structural Change upon Photoinduced Electron Transfer of 9-Mesityl-10-methylacridinium Ion by Pump-Probe X-Ray Crystal Structure Analysis
Manabu Hoshino, Hidehiro Uekusa, Ayana Tomita, Shin-ya Koshihara, Tokushi Sato, Shunsuke Nozawa, Shin-ichi Adachi, Kei Ohkubo, Hiroaki Kotani, Shunichi Fukuzumi
Photon Factory Activity Report 2011 PART A Highlights and Facility Report Vol. 29 p. 38-39 2012年10月 研究論文(大学,研究機関等紀要)
Electroreduction and Acid-Base Properties of Dipyrrolylquinoxalines
Zhen Fu, Min Zhang, Weihua Zhu, Elizabeth Karnas, Kentaro Mase, Kei Ohkubo, Jonathan L. Sessler, Shunichi Fukuzumi, Karl M. Kadish
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 116 No. 41 p. 10063-10073 2012年10月 研究論文(学術雑誌)
Copper(I)-Dioxygen Reactivity in a Sterically Demanding Tripodal Tetradentate tren Ligand: Formation and Reactivity of a Mononuclear Copper(II) End-On Superoxo Complex
Yuki Kobayashi, Kei Ohkubo, Takashi Nomura, Minoru Kubo, Nobutaka Fujieda, Hideki Sugimoto, Shunichi Fukuzumi, Kei Goto, Takashi Ogura, Shinobu Itoh
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY No. 29 p. 4574-4578 2012年10月 研究論文(学術雑誌)
Zinc Phthalocyanine-Graphene Hybrid Material for Energy Conversion: Synthesis, Characterization, Photophysics, and Photoelectrochemical Cell Preparation
Nikolaos Karousis, Javier Ortiz, Kei Ohkubo, Taku Hasobe, Shunichi Fukuzumi, Angela Sastre-Santos, Nikos Tagmatarchis
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 116 No. 38 p. 20564-20573 2012年9月 研究論文(学術雑誌)
Involvement of electron transfer in the radical-scavenging reaction of melatonin in a protic medium
I. Nakanishi, M. Kamibayashi, K. Ohkubo, A. K. M. R. K. Zoardar, T. Kawashima, K. Manda, K-I. Matsumoto, S. Fukuzumi, T. Ozawa, K. Anzai
FREE RADICAL BIOLOGY AND MEDICINE Vol. 53 p. S146-S147 2012年9月
Formation of a long-lived electron-transfer state in mesoporous silica-alumina composites enhances photocatalytic oxygenation reactivity
Shunichi Fukuzumi, Kaoru Doi, Akinori Itoh, Tomoyoshi Suenobu, Kei Ohkubo, Yusuke Yamada, Kenneth D. Karlin
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA Vol. 109 No. 39 p. 15572-15577 2012年9月 研究論文(学術雑誌)
Enhanced Photoinduced Electron-Transfer Reduction of Li+@C-60 in Comparison with C-60
Yuki Kawashima, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 116 No. 36 p. 8942-8948 2012年9月 研究論文(学術雑誌)
Active Site Models for the Cu-A Site of Peptidylglycine alpha-Hydroxylating Monooxygenase and Dopamine beta-Monooxygenase
Atsushi Kunishita, Mehmed Z. Ertem, Yuri Okubo, Tetsuro Tano, Hideki Sugimoto, Kei Ohkubo, Nobutaka Fujieda, Shunichi Fukuzumi, Christopher J. Cramer, Shinobu Itoh
INORGANIC CHEMISTRY Vol. 51 No. 17 p. 9465-9480 2012年9月 研究論文(学術雑誌)
Pump-Probe単結晶X線構造解析による光誘起電子移動した有機光触媒の観察
星野学, 植草秀裕, 富田文菜, 腰原伸也, 佐藤篤志, 野澤俊介, 足立伸一, 大久保敬, 小谷弘明, 福住俊一
PF NEWS 2012年8月 研究論文(大学,研究機関等紀要)
Kinetics and Mechanism for the Scavenging Reaction of the 2,2-Diphenyl-1-picrylhydrazyl Radical by Synthetic Artepillin C Analogues
Tomonori Kawashima, Sushma Manda, Yoshihiro Uto, Kei Ohkubo, Hitoshi Hori, Ken-ichiro Matsumoto, Kiyoshi Fukuhara, Nobuo Ikota, Shunichi Fukuzumi, Toshihiko Ozawa, Kazunori Anzai, Ikuo Nakanishi
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN Vol. 85 No. 8 p. 877-883 2012年8月 研究論文(学術雑誌)
Fluorescent Zinc Sensor with Minimized Proton-Induced Interferences: Photophysical Mechanism for Fluorescence Turn-On Response and Detection of Endogenous Free Zinc Ions
Ji Eon Kwon, Sumin Lee, Youngmin You, Kyung-Hwa Baek, Kei Ohkubo, Jaeheung Cho, Shunichi Fukuzumi, Injae Shin, Soo Young Park, Wonwoo Nam
INORGANIC CHEMISTRY Vol. 51 No. 16 p. 8760-8774 2012年8月 研究論文(学術雑誌)
Chlorine atom substitution influences radical scavenging activity of 6-chromanol.
Keiko Inami, Yuko Iizuka, Miyuki Furukawa, Ikuo Nakanishi, Kei Ohkubo, Kiyoshi Fukuhara, Shunichi Fukuzumi, Masataka Mochizuki
Bioorganic & medicinal chemistry Vol. 20 No. 13 p. 4049-55 2012年7月1日 研究論文(学術雑誌)
ブラジル産プロポリスに由来するアルテピリンCおよびその誘導体のフリーラジカル消去活性
中西 郁夫, 川島 知憲, マンダ・スシュマ, 宇都 義浩, 大久保 敬, 堀 均, 松本 謙一郎, 福原 潔, 福住 俊一, 安西 和紀, 小澤 俊彦
日本抗加齢医学会総会プログラム・抄録集 Vol. 12回 p. 225-225 2012年6月
出版者・発行元:(一社)日本抗加齢医学会Photoinduced Energy and Electron Transfer in Phenylethynyl-Bridged Zinc Porphyrin-Oligothienylenevinylene-C60 Ensembles
Maxence Urbani, Kei Ohkubo, D. M. Shafiqul Islam, Shunichi Fukuzumi, Fernando Langa
CHEMISTRY-A EUROPEAN JOURNAL Vol. 18 No. 24 p. 7473-7485 2012年6月 研究論文(学術雑誌)
Catalytic Four-Electron Reduction of O-2 via Rate-Determining Proton-Coupled Electron Transfer to a Dinuclear Cobalt-mu-1,2-peroxo Complex
Shunichi Fukuzumi, Sukanta Mandal, Kentaro Mase, Kei Ohkubo, Hyejin Park, Jordi Benet-Buchholz, Wonwoo Nam, Antoni Llobet
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 134 No. 24 p. 9906-9909 2012年6月 研究論文(学術雑誌)
Mechanism and Fluorescence Application of Electrochromism in Photochromic Dithienylcyclopentene
Sumin Lee, Youngmin You, Kei Ohkubo, Shunichi Fukuzumi, Wonwoo Nam
ORGANIC LETTERS Vol. 14 No. 9 p. 2238-2241 2012年5月 研究論文(学術雑誌)
Decoupling the artificial special pair to slow down the rate of singlet energy transfer
Pierre D. Harvey, Adam Langlois, Mikhail Filatov, Daniel Fortin, Kei Ohkubo, Shunichi Fukuzumi, Roger Guilard
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES Vol. 16 No. 5-6 p. 685-694 2012年5月 研究論文(学術雑誌)
Utilization of Photoinduced Charge-Separated State of Donor-Acceptor-Linked Molecules for Regulation of Cell Membrane Potential and Ion Transport
Tomohiro Numata, Tatsuya Murakami, Fumiaki Kawashima, Nobuhiro Morone, John E. Heuser, Yuta Takano, Kei Ohkubo, Shunichi Fukuzumi, Yasuo Mori, Hiroshi Imahori
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 134 No. 14 p. 6092-6095 2012年4月 研究論文(学術雑誌)
Synthesis and Photodynamics of Fluorescent Blue BODIPY-Porphyrin Tweezers Linked by Triazole Rings
Antoine Eggenspiller, Atsuro Takai, Mohamed E. El-Khouly, Kei Ohkubo, Claude P. Gros, Claire Bernhard, Christine Goze, Franck Denat, Jean-Michel Barbe, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 116 No. 15 p. 3889-3898 2012年4月 研究論文(学術雑誌)
Selective Oxygenation by Electron Transfer
Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF SYNTHETIC ORGANIC CHEMISTRY JAPAN Vol. 70 No. 4 p. 343-353 2012年4月 研究論文(学術雑誌)
Factors That Control Catalytic Two- versus Four-Electron Reduction of Dioxygen by Copper Complexes
Shunichi Fukuzumi, Laleh Tahsini, Yong-Min Lee, Kei Ohkubo, Wonwoo Nam, Kenneth D. Karlin
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 134 No. 16 p. 7025-7035 2012年4月 研究論文(学術雑誌)
Assemblies of artificial photosynthetic reaction centres
Shunichi Fukuzumi, Kei Ohkubo
Journal of Materials Chemistry Vol. 22 No. 11 p. 4575-4587 2012年3月21日 研究論文(学術雑誌)
Photocatalytic hydrogen evolution with Ni nanoparticles by using 2-phenyl-4-(1-naphthyl)quinolinium ion as a photocatalyst
Yusuke Yamada, Takamitsu Miyahigashi, Hiroaki Kotani, Kei Ohkubo, Shunichi Fukuzumi
ENERGY & ENVIRONMENTAL SCIENCE Vol. 5 No. 3 p. 6111-6118 2012年3月 研究論文(学術雑誌)
Photocatalytic alkoxylation of benzene with 3-cyano-1-methylquinolinium ion
Kei Ohkubo, Takaki Kobayashi, Shunichi Fukuzumi
OPTICS EXPRESS Vol. 20 No. 6 p. A360-A365 2012年3月 研究論文(学術雑誌)
Determination of the Structural Features of a Long-Lived Electron-Transfer State of 9-Mesityl-10-methylacridinium Ion
Manabu Hoshino, Hidehiro Uekusa, Ayana Tomita, Shin-ya Koshihara, Tokushi Sato, Shunsuke Nozawa, Shin-ichi Adachi, Kei Ohkubo, Hiroaki Kotani, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 134 No. 10 p. 4569-4572 2012年3月 研究論文(学術雑誌)
Erratum: "ON-OFF" switching of europiumcomplex luminescence coupled with a ligand redox process (Chemical Communications (2012) 48 (4082-4084) (DOI: 10.1039/c2cc31078c))
Yano M, Matsuhira K, Tatsumi M, Kashiwagi Y, Nakamoto M, Oyama M, Ohkubo K, Fukuzumi S, Misaki H, Tsukube H
Chemical Communications Vol. 48 No. 100 2012年 研究論文(学術雑誌)
CCDC 818662: Experimental Crystal Structure Determination
Hoshino M, Uekusa H, Tomita A, Koshihara S, Sato T, Nozawa S, Adachi S, Ohkubo K, Kotani H, Fukuzumi S
2012年
Elektronische Eigenschaften trifluormethylierter Corannulene
Bernd M. Schmidt, Shu Seki, Berit Topolinski, Kei Ohkubo, Shunichi Fukuzumi, Hidehiro Sakurai, Dieter Lentz
Angewandte Chemie Vol. 124 No. 45 p. 11548-11551 2012年
Ultrafast charge separation in supramolecular tetrapyrrole-graphene hybrids
Chandra K. C. Bikram, Sushanta K. Das, Kei Ohkubo, Shunichi Fukuzumi, Francis D'Souza
CHEMICAL COMMUNICATIONS Vol. 48 No. 97 p. 11859-11861 2012年 研究論文(学術雑誌)
The high stability of intermediate radicals enhances the radical-scavenging activity of aminochromanols
Keiko Inami, Ikuo Nakanishi, Mine Morita, Miyuki Furukawa, Kei Ohkubo, Shunichi Fukuzumi, Masataka Mochizuki
RSC ADVANCES Vol. 2 No. 33 p. 12714-12717 2012年 研究論文(学術雑誌)
Supramolecular electron transfer by anion binding
Shunichi Fukuzumi, Kei Ohkubo, Francis D'Souza, Jonathan L. Sessler
CHEMICAL COMMUNICATIONS Vol. 48 No. 79 p. 9801-9815 2012年 研究論文(学術雑誌)
Strong supramolecular binding of Li+ @C-60 with sulfonated meso-tetraphenylporphyrins and long-lived photoinduced charge separation
Kei Ohkubo, Yuki Kawashima, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 48 No. 36 p. 4314-4316 2012年 研究論文(学術雑誌)
Remarkable enhancement of catalytic activity of a 2: 1 complex between a non-planar Mo(v)-porphyrin and a ruthenium-substituted Keggin-type heteropolyoxometalate in catalytic oxidation of benzyl alcohols
Atsutoshi Yokoyama, Kei Ohkubo, Tomoya Ishizuka, Takahiko Kojima, Shunichi Fukuzumi
DALTON TRANSACTIONS Vol. 41 No. 33 p. 10006-10013 2012年 研究論文(学術雑誌)
Regulation of Redox Potential of a Pterin Derivative Bound to a Ruthenium(II) Complex by Intermolecular Hydrogen Bonding with Nucleobases
Yuji Inui, Soushi Miyazaki, Kei Ohkubo, Shunichi Fukuzumi, Takahiko Kojima
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Vol. 51 No. 19 p. 4623-4627 2012年 研究論文(学術雑誌)
Rational design of a phthalocyanine-perylenediimide dyad with a long-lived charge-separated state
Vicente M. Blas-Ferrando, Javier Ortiz, Latifa Bouissane, Kei Ohkubo, Shunichi Fukuzumi, Fernando Fernandez-Lazaroa, Angela Sastre-Santos
CHEMICAL COMMUNICATIONS Vol. 48 No. 50 p. 6241-6243 2012年 研究論文(学術雑誌)
Photoinduced electron transfer in supramolecular complexes of a pi-extended viologen with porphyrin monomer and dimer
Shunichi Fukuzumi, Ichiro Amasaki, Kei Ohkubo, Claude P. Gros, Roger Guilard, Jean-Michel Barbe
RSC ADVANCES Vol. 2 No. 9 p. 3741-3747 2012年 研究論文(学術雑誌)
Photoelectrocatalysis to Improve Cycloreversion Quantum Yields of Photochromic Dithienylethene Compounds
Sumin Lee, Youngmin You, Kei Ohkubo, Shunichi Fukuzumi, Wonwoo Nam
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Vol. 51 No. 52 p. 13154-13158 2012年 研究論文(学術雑誌)
Photochemical properties of a myoglobin-CdTe quantum dot conjugate
Akira Onoda, Tomoki Himiyama, Kei Ohkubo, Shunichi Fukuzumi, Takashi Hayashi
CHEMICAL COMMUNICATIONS Vol. 48 No. 65 p. 8054-8056 2012年 研究論文(学術雑誌)
Photocatalytic hydrogen evolution from carbon-neutral oxalate with 2-phenyl-4-(1-naphthyl)quinolinium ion and metal nanoparticles
Yusuke Yamada, Takamitsu Miyahigashi, Kei Ohkubo, Shunichi Fukuzumi
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 14 No. 30 p. 10564-10571 2012年 研究論文(学術雑誌)
Mechanisms of metal ion-coupled electron transfer
Shunichi Fukuzumi, Kei Ohkubo, Yuma Morimoto
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 14 No. 24 p. 8472-8484 2012年 研究論文(学術雑誌)
Long-lived long-distance photochemically induced spin-polarized charge separation in beta,beta '-pyrrolic fused ferrocene-porphyrin-fullerene systems
Sai-Ho Lee, Allan G. Larsen, Kei Ohkubo, Zheng-Li Cai, Jeffrey R. Reimers, Shunichi Fukuzumi, Maxwell J. Crossley
CHEMICAL SCIENCE Vol. 3 No. 1 p. 257-269 2012年 研究論文(学術雑誌)
Improvement of durability of an organic photocatalyst in p-xylene oxygenation by addition of a Cu(II) complex
Yusuke Yamada, Kazuki Maeda, Kei Ohkubo, Kenneth D. Karlin, Shunichi Fukuzumi
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 14 No. 27 p. 9654-9659 2012年 研究論文(学術雑誌)
Formation of a long-lived electron-transfer state of a naphthalene-quinolinium ion dyad and the pi-dimer radical cation
Hiroaki Kotani, Kei Ohkubo, Shunichi Fukuzumi
FARADAY DISCUSSIONS Vol. 155 p. 89-102 2012年 研究論文(学術雑誌)
Electronic Properties of Trifluoromethylated Corannulenes
Bernd M. Schmidt, Shu Seki, Berit Topolinski, Kei Ohkubo, Shunichi Fukuzumi, Hidehiro Sakurai, Dieter Lentz
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Vol. 51 No. 45 p. 11385-11388 2012年 研究論文(学術雑誌)
Assemblies of artificial photosynthetic reaction centres
Shunichi Fukuzumi, Kei Ohkubo
JOURNAL OF MATERIALS CHEMISTRY Vol. 22 No. 11 p. 4575-4587 2012年 研究論文(学術雑誌)
"ON-OFF" switching of europium complex luminescence coupled with a ligand redox process
Masafumi Yano, Keisuke Matsuhira, Masakazu Tatsumi, Yukiyasu Kashiwagi, Masami Nakamoto, Munetaka Oyama, Kei Ohkubo, Shunich Fukuzumi, Hitomi Misaki, Hiroshi Tsukube
CHEMICAL COMMUNICATIONS Vol. 48 No. 34 p. 4082-4084 2012年 研究論文(学術雑誌)
"ON-OFF" switching of europium complex luminescence coupled with a ligand redox process
Masafumi Yano, Keisuke Matsuhira, Masakazu Tatsumi, Yukiyasu Kashiwagi, Masami Nakamoto, Munetaka Oyama, Kei Ohkubo, Shunich Fukuzumi, Hitomi Misaki, Hiroshi Tsukube
CHEMICAL COMMUNICATIONS Vol. 48 No. 34 p. 4082-4084 2012年 研究論文(学術雑誌)
"ON-OFF" switching of europium complex luminescence coupled with a ligand redox process
Masafumi Yano, Keisuke Matsuhira, Masakazu Tatsumi, Yukiyasu Kashiwagi, Masami Nakamoto, Munetaka Oyama, Kei Ohkubo, Shunich Fukuzumi, Hitomi Misaki, Hiroshi Tsukube
CHEMICAL COMMUNICATIONS Vol. 48 No. 34 p. 4082-4084 2012年 研究論文(学術雑誌)
Synthesis, Photophysical, Electrochemical, Tumor-Imaging, and Phototherapeutic Properties of Purpurinimide-N-substituted Cyanine Dyes Joined with Variable Lengths of Linkers
Michael P. A. Williams, Manivannan Ethirajan, Kei Ohkubo, Ping Chen, Paula Pera, Janet Morgan, William H. White, Masayuki Shibata, Shunichi Fukuzumi, Karl M. Kadish, Ravindra K. Pandey
BIOCONJUGATE CHEMISTRY Vol. 22 No. 11 p. 2283-2295 2011年11月 研究論文(学術雑誌)
Synthesis, Photophysical, Electrochemical, Tumor-Imaging, and Phototherapeutic Properties of Purpurinimide-N-substituted Cyanine Dyes Joined with Variable Lengths of Linkers
Michael P. A. Williams, Manivannan Ethirajan, Kei Ohkubo, Ping Chen, Paula Pera, Janet Morgan, William H. White, Masayuki Shibata, Shunichi Fukuzumi, Karl M. Kadish, Ravindra K. Pandey
BIOCONJUGATE CHEMISTRY Vol. 22 No. 11 p. 2283-2295 2011年11月 研究論文(学術雑誌)
Supramolecular Zinc Phthalocyanine-Imidazolyl Perylenediimide Dyad and Triad: Synthesis, Complexation, and Photophysical Studies
F. Javier Cespedes-Guirao, Kei Ohkubo, Shunichi Fukuzumi, Fernando Fernandez-Lazaro, Angela Sastre-Santos
CHEMISTRY-AN ASIAN JOURNAL Vol. 6 No. 11 p. 3110-3121 2011年11月 研究論文(学術雑誌)
Radica-Scavenging Activity of 6-Chromanol Derivatives with Various Substituents
Ikuo Nakanishi, Keiko Inami, Kei Ohkubo, Tomonori Kawashima, Kiyoshi Fukuhara, Shunichi Fukuzumi, Kazunori Anzai, Toshihiko Ozawa, Masataka Mochizuki, Ken-ichiro Matsumoto
FREE RADICAL BIOLOGY AND MEDICINE Vol. 51 p. S93-S93 2011年11月
Photochemical Activation of Ruthenium(II)-Pyridylamine Complexes Having a Pyridine-N-Oxide Pendant toward Oxygenation of Organic Substrates
Takahiko Kojima, Kazuya Nakayama, Miyuki Sakaguchi, Takashi Ogura, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 133 No. 44 p. 17901-17911 2011年11月 研究論文(学術雑誌)
Phosphorescent Sensor for Biological Mobile Zinc
Youngmin You, Sumin Lee, Taehee Kim, Kei Ohkubo, Weon-Sik Chae, Shunichi Fukuzumi, Gil-Ja Jhon, Wonwoo Nam, Stephen J. Lippard
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 133 No. 45 p. 18328-18342 2011年11月 研究論文(学術雑誌)
Multiple photosynthetic reaction centers composed of supramolecular assemblies of a zinc porphyrin dendrimer with pyridylnaphthalenediimide
Shunichi Fukuzumi, Kei Ohkubo, Kenji Saito, Yukiyasu Kashiwagi, Tony Khoury, Maxwell J. Crossley
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES Vol. 15 No. 11-12 p. 1292-1298 2011年11月 研究論文(学術雑誌)
Reversible Photoredox Switching of Porphyrin-Bridged Bis-2,6-di-tert-butylphenols
Shinsuke Ishihara, Jonathan P. Hill, Atsuomi Shundo, Gary J. Richards, Jan Labuta, Kei Ohkubo, Shunichi Fukuzumi, Akira Sato, Mark R. J. Elsegood, Simon J. Teat, Katsuhiko Ariga
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 133 No. 40 p. 16119-16126 2011年10月 研究論文(学術雑誌)
Photocatalytic Hydrogen Evolution under Highly Basic Conditions by Using Ru Nanoparticles and 2-Phenyl-4-(1-naphthyl)quinolinium Ion
Yusuke Yamada, Takamitsu Miyahigashi, Hiroaki Kotani, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 133 No. 40 p. 16136-16145 2011年10月 研究論文(学術雑誌)
Ion-Controlled On-Off Switch of Electron Transfer from Tetrathiafulvalene Calix[4]pyrroles to Li+@C-60
Shunichi Fukuzumi, Kei Ohkubo, Yuki Kawashima, Dong Sub Kim, Jung Su Park, Atanu Jana, Vincent M. Lynch, Dongho Kim, Jonathan L. Sessler
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 133 No. 40 p. 15938-15941 2011年10月 研究論文(学術雑誌)
Synthesis and Photophysics of Silicon Phthalocyanine-Perylenebisimide Triads Connected through Rigid and Flexible Bridges
F. Javier Cespedes-Guirao, Luis Martin-Gomis, Kei Ohkubo, Shunichi Fukuzumi, Fernando Fernandez-Lazaro, Angela Sastre-Santos
CHEMISTRY-A EUROPEAN JOURNAL Vol. 17 No. 33 p. 9153-9163 2011年8月 研究論文(学術雑誌)
Catalytic mechanisms of hydrogen evolution with homogeneous and heterogeneous catalysts
Shunichi Fukuzumi, Yusuke Yamada, Tomoyoshi Suenobu, Kei Ohkubo, Hiroaki Kotani
ENERGY & ENVIRONMENTAL SCIENCE Vol. 4 No. 8 p. 2754-2766 2011年8月 研究論文(学術雑誌)
An Efficient Fluorescence Sensor for Superoxide with an Acridinium Ion-Linked Porphyrin Triad
Hiroaki Kotani, Kei Ohkubo, Maxwell J. Crossley, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 133 No. 29 p. 11092-11095 2011年7月 研究論文(学術雑誌)
Disproportionation of Dipyrrolylquinoxaline Radical Anions via the Internal Protons of the Pyrrole Moieties
Shunichi Fukuzumi, Kentaro Mase, Kei Ohkubo, Zhen Fu, Elizabeth Karnas, Jonathan L. Sessler, Karl M. Kadish
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 133 No. 19 p. 7284-7287 2011年5月 研究論文(学術雑誌)
抗酸化活性を示すメラトニンのフリーラジカル消去機構
中西 郁夫, ゾーダー・カビル, 川島 知憲, 上林 將人, 松本 謙一郎, 大久保 敬, 福住 俊一, 安西 和紀, 小澤 俊彦
日本抗加齢医学会総会プログラム・抄録集 Vol. 11回 p. 313-313 2011年4月
出版者・発行元:(一社)日本抗加齢医学会Remarkable Regioselective Position-10 Bromination of Bacteriopyropheophorbide-a and Ring-B Reduced Pyropheophorbide-a
Manivannan Ethirajan, Penny Joshi, White H. William, Kei Ohkubo, Shunichi Fukuzumi, Ravindra K. Pandey
ORGANIC LETTERS Vol. 13 No. 8 p. 1956-1959 2011年4月 研究論文(学術雑誌)
Annulation of Tetrathiafulvalene to the Bay Region of Perylenediimide: Fast Electron-Transfer Processes in Polar and Nonpolar Solvents
Mohamed E. El-Khouly, Michael Jaggi, Belinda Schmid, Carmen Blum, Shi-Xia Liu, Silvio Decurtins, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 115 No. 16 p. 8325-8334 2011年4月 研究論文(学術雑誌)
Photochemical Charge Separation in Closely Positioned Donor-Boron Dipyrrin-Fullerene Triads
Channa A. Wijesinghe, Mohamed E. El-Khouly, Navaneetha K. Subbaiyan, Mustafa Supur, Melvin E. Zandler, Kei Ohkubo, Shunichi Fukuzumi, Francis D'Souza
CHEMISTRY-A EUROPEAN JOURNAL Vol. 17 No. 11 p. 3147-3156 2011年3月 研究論文(学術雑誌)
Size- and Shape-Dependent Activity of Metal Nanoparticles as Hydrogen-Evolution Catalysts: Mechanistic Insights into Photocatalytic Hydrogen Evolution
Hiroaki Kotani, Ryo Hanazaki, Kei Ohkubo, Yusuke Yamada, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 17 No. 9 p. 2777-2785 2011年2月 研究論文(学術雑誌)
Post-Translational His-Cys Cross-Linkage Formation in Tyrosinase Induced by Copper(II)-Peroxo Species
Nobutaka Fujieda, Takuya Ikeda, Michiaki Murata, Sachiko Yanagisawa, Shigetoshi Aono, Kei Ohkubo, Satoshi Nagao, Takashi Ogura, Shun Hirota, Shunichi Fukuzumi, Yukihiro Nakamura, Yoji Hata, Shinobu Itoh
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 133 No. 5 p. 1180-1183 2011年2月 研究論文(学術雑誌)
Formation of a Hybrid Compound Composed of a Saddle-Distorted Tin(IV)-Porphyrin and a Keggin-Type Heteropolyoxometalate To Undergo Intramolecular Photoinduced Electron Transfer
Atsutoshi Yokoyama, Takahiko Kojima, Kei Ohkubo, Motoo Shiro, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 115 No. 6 p. 986-997 2011年2月 研究論文(学術雑誌)
Stepwise vs. concerted pathways in scandium ion-coupled electron transfer from superoxide ion to p-benzoquinone derivatives
Tomonori Kawashima, Kei Ohkubo, Shunichi Fukuzumi
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 13 No. 8 p. 3344-3352 2011年 研究論文(学術雑誌)
Selective photocatalytic aerobic bromination with hydrogen bromide via an electron-transfer state of 9-mesityl-10-methylacridinium ion
Kei Ohkubo, Kentaro Mizushima, Ryosuke Iwata, Shunichi Fukuzumi
CHEMICAL SCIENCE Vol. 2 No. 4 p. 715-722 2011年 研究論文(学術雑誌)
Multiple photosynthetic reaction centres using zinc porphyrinic oligopeptide-fulleropyrrolidine supramolecular complexes
Shunichi Fukuzumi, Kenji Saito, Kei Ohkubo, Vincent Troiani, Hongjin Qiu, Suresh Gadde, Francis D'Souza, Nathalie Solladie
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 13 No. 38 p. 17019-17022 2011年 研究論文(学術雑誌)
Multiple photosynthetic reaction centres composed of supramolecular assemblies of zinc porphyrin dendrimers with a fullerene acceptor
Shunichi Fukuzumi, Kenji Saito, Kei Ohkubo, Tony Khoury, Yukiyasu Kashiwagi, Mark A. Absalom, Suresh Gadde, Francis D'Souza, Yasuyuki Araki, Osamu Ito, Maxwell J. Crossley
CHEMICAL COMMUNICATIONS Vol. 47 No. 28 p. 7980-7982 2011年 研究論文(学術雑誌)
Metal-free oxygenation of cyclohexane with oxygen catalyzed by 9-mesityl-10-methylacridinium and hydrogen chloride under visible light irradiation
Kei Ohkubo, Atsushi Fujimoto, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 47 No. 30 p. 8515-8517 2011年 研究論文(学術雑誌)
Direct Oxygenation of Benzene to Phenol Using Quinolinium Ions as Homogeneous Photocatalysts
Kei Ohkubo, Takaki Kobayashi, Shunichi Fukuzumi
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Vol. 50 No. 37 p. 8652-8655 2011年 研究論文(学術雑誌)
C-60 dimers connected through pleiadene bridges: fullerenes talking to each other
Angela Sastre-Santos, Concepcion Parejo, Luis Martin-Gomis, Kei Ohkubo, Fernando Fernandez-Lazaro, Shunichi Fukuzumi
JOURNAL OF MATERIALS CHEMISTRY Vol. 21 No. 5 p. 1509-1515 2011年 研究論文(学術雑誌)
Crystal Structures and Solution Properties of Discrete Complexes Composed of Saddle-Distorted Molybdenum(V)-Dodecaphenylporphyrins and Keggin-Type Heteropolyoxometalates Linked by Direct Coordination
Atsutoshi Yokoyama, Takahiko Kojima, Kei Ohkubo, Shunichi Fukuzumi
INORGANIC CHEMISTRY Vol. 49 No. 23 p. 11190-11198 2010年12月 研究論文(学術雑誌)
Synthesis, Crystal Structure, and Photodynamics of pi-Expanded Porphyrin-Fullerene Dyads Synthesized by Diels-Alder Reaction
Hiroko Yamada, Kei Ohkubo, Daiki Kuzuhara, Tetsuro Takahashi, Atula S. D. Sandanayaka, Tetsuo Okujima, Keishi Ohara, Osamu Ito, Hidemitsu Uno, Noboru Ono, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY B Vol. 114 No. 45 p. 14717-14728 2010年11月 研究論文(学術雑誌)
Stopped-Flow Kinetic Analysis of the Interaction of Cyclo[8]pyrrole with Anions
Elizabeth Karnas, Sung Kuk Kim, Kenneth A. Johnson, Jonathan L. Sessler, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 132 No. 46 p. 16617-16622 2010年11月 研究論文(学術雑誌)
Ion-Mediated Electron Transfer in a Supramolecular Donor-Acceptor Ensemble
Jung Su Park, Elizabeth Karnas, Kei Ohkubo, Ping Chen, Karl M. Kadish, Shunichi Fukuzumi, Christopher W. Bielawski, Todd W. Hudnall, Vincent M. Lynch, Jonathan L. Sessler
SCIENCE Vol. 329 No. 5997 p. 1324-1327 2010年9月 研究論文(学術雑誌)
Synthesis and Photodynamics of 9-Mesitylacridinium Ion-Modified Gold Nanoclusters
Shunichi Fukuzumi, Ryo Hanazaki, Hiroaki Kotani, Kei Ohkubo
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 132 No. 32 p. 11002-11003 2010年8月 研究論文(学術雑誌)
Photoinduced Electron Transfer in Photorobust Coumarins Linked with Electron Donors Affording Long Lifetimes of, Triplet Charge-Separated States
Motonobu Murakami, Kei Ohkubo, Takashi Nanjo, Kazunori Souma, Nobuo Suzuki, Shunichi Fukuzumi
CHEMPHYSCHEM Vol. 11 No. 12 p. 2594-2605 2010年8月 研究論文(学術雑誌)
Formation of a Long-Lived Photoinduced Electron-Transfer State in an Electron Acceptor-Donor-Acceptor Porphyrin Triad Connected by Coordination Bonds
Tatsuhiko Honda, Tatsuaki Nakanishi, Kei Ohkubo, Takahiko Kojima, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 114 No. 33 p. 14290-14299 2010年8月 研究論文(学術雑誌)
Enhanced radical scavenging activities of catechin derivatives incorporating basic amino acids
Kiyoshi Fukuhara, Ikuo Nakanishi, Kohei Imai, Akiko Ohno, Kei Ohkubo, Shunichi Fukuzumi, Asao Nakamura, Kazunori Anzai, Naoki Miyata, Haruhiro Okuda
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY Vol. 240 2010年8月
Structure and Photoinduced Electron Transfer Dynamics of a Series of Hydrogen-Bonded Supramolecular Complexes Composed of Electron Donors and a Saddle-Distorted Diprotonated Porphyrin
Tatsuhiko Honda, Tatsuaki Nakanishi, Kei Ohkubo, Takahiko Kojima, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 132 No. 29 p. 10155-10163 2010年7月 研究論文(学術雑誌)
The first crystal structure determination of the firefly oxyluciferin and detailed study of its solution-state spectroscopy: implications for the color tuning mechanism of firefly bioluminescence
Pance Naumov, Yutaka Ozawa, Kei Ohkubo, Shunichi Fukuzumi
LUMINESCENCE Vol. 25 No. 2 p. 81-82 2010年4月
Pump‐Probe単結晶X線構造解析による9‐メシチル‐10‐メチルアクリジニウムカチオンの光励起電子移動状態の直接観察
星野学, 佐藤篤志, 富田文菜, 野澤俊介, 大久保敬, 小谷弘明, 福住俊一, 植草秀裕, 足立伸一, 腰原伸也
有機結晶部会ニュースレター No. 26 2010年3月19日
フェノール性抗酸化物質に由来するフェノレートアニオンの電子移動反応
中西 郁夫, Zoardar A.K.M. Raushan Kabir, 大久保 敬, 稲見 圭子, 松本 謙一郎, 望月 正隆, 福原 潔, 奥田 晴宏, 伊古田 暢夫, 福住 俊一, 小澤 俊彦, 安西 和紀
日本薬学会年会要旨集 Vol. 130年会 No. 2 p. 173-173 2010年3月
出版者・発行元:(公社)日本薬学会Metal ion-coupled and decoupled electron transfer
Shunichi Fukuzumi, Kei Ohkubo
COORDINATION CHEMISTRY REVIEWS Vol. 254 No. 3-4 p. 372-385 2010年2月
金属内包フラーレン/拡張π電子系ホスト分子による電子移動型包接錯体の構築
土屋 敬広, 中村 理沙, 佐藤 亜由美, Mateusz Wielopolski, 溝呂木 直美, 赤阪 健, 大久保 敬, 福住 俊一, Dirk M. Guldi, Nazario Martin, 永瀬 茂
ホスト・ゲスト化学シンポジウム講演要旨集 Vol. 2010 p. 21-21 2010年
出版者・発行元:ホスト-ゲスト・超分子化学研究会Thienyl-substituted methanofullerene derivatives for organic photovoltaic cells
Jung Hei Choi, Kyung-In Son, Taehee Kim, Kyungkon Kim, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF MATERIALS CHEMISTRY Vol. 20 No. 3 p. 475-482 2010年 研究論文(学術雑誌)
Synthesis and photochemical properties of alpha-diketoporphyrins as precursors for pi-expanded porphyrins
Hiroko Yamada, Daiki Kuzuhara, Kei Ohkubo, Tetsuro Takahashi, Tetsuo Okujima, Hidemitsu Uno, Noboru Ono, Shunichi Fukuzumi
JOURNAL OF MATERIALS CHEMISTRY Vol. 20 No. 15 p. 3011-3024 2010年 研究論文(学術雑誌)
Supramolecular Structures and Photoelectronic Properties of the Inclusion Complex of a Cyclic Free-Base Porphyrin Dimer and C-60
Hirofumi Nobukuni, Yuichi Shimazaki, Hidemitsu Uno, Yoshinori Naruta, Kei Ohkubo, Takahiko Kojima, Shunichi Fukuzumi, Shu Seki, Hayato Sakai, Taku Hasobe, Fumito Tani
CHEMISTRY-A EUROPEAN JOURNAL Vol. 16 No. 38 p. 11611-11623 2010年 研究論文(学術雑誌)
Simultaneous production of p-tolualdehyde and hydrogen peroxide in photocatalytic oxygenation of p-xylene and reduction of oxygen with 9-mesityl-10-methylacridinium ion derivatives
Kei Ohkubo, Kentaro Mizushima, Ryosuke Iwata, Kazunori Souma, Nobuo Suzuki, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 46 No. 4 p. 601-603 2010年 研究論文(学術雑誌)
Radical Scavenging Reactivity of Catecholamine Neurotransmitters and the Inhibition Effect for DNA Cleavage
Tomonori Kawashima, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY B Vol. 114 No. 1 p. 675-680 2010年1月 研究論文(学術雑誌)
Photoinduced DNA cleavage by formation of ROS from oxygen with a neurotransmitter and aromatic amino acids
Tomonori Kawashima, Kei Ohkubo, Shunichi Fukuzumi
ORGANIC & BIOMOLECULAR CHEMISTRY Vol. 8 No. 5 p. 994-996 2010年 研究論文(学術雑誌)
Multistep electron transfer systems based on silicon phthalocyanine, [60]fullerene and trinitrofluorenone
Luis Martin-Gomis, Kei Ohkubo, Fernando Fernandez-Lazaro, Shunichi Fukuzumi, Angela Sastre-Santos
CHEMICAL COMMUNICATIONS Vol. 46 No. 22 p. 3944-3946 2010年 研究論文(学術雑誌)
Inter- and Intramolecular Photoinduced Electron Transfer of Flavin Derivatives with Extremely Small Reorganization Energies
Motonobu Murakami, Kei Ohkubo, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 16 No. 26 p. 7820-7832 2010年 研究論文(学術雑誌)
Implementation of redox gradients in hydrogen bonded complexes containing N,N-dimethylaniline, flavin and fullerene derivatives
Motonobu Murakami, Kei Ohkubo, Taku Hasobe, Vito Sgobba, Dirk M. Guldi, Florian Wessendorf, Andreas Hirsch, Shunichi Fukuzumi
JOURNAL OF MATERIALS CHEMISTRY Vol. 20 No. 8 p. 1457-1466 2010年 研究論文(学術雑誌)
Electron-Transfer Properties of the Phenolate Anion Derived from a Vitamin E Model in the Presence of a Strong Base in an Aprotic Medium
Ikuo Nakanishi, Kei Ohkubo, Tomonori Kawashima, Keiko Inami, Ken-ichiro Matsumoto, Kiyoshi Fukuhara, Haruhiro Okuda, Masataka Mochizuki, Shunichi Fukuzumi, Toshihiko Ozawa, Kazunori Anzai
FREE RADICAL BIOLOGY AND MEDICINE Vol. 49 p. S213-S214 2010年
Electron Transfer from Stable Superoxide Complex to Electron Acceptors as Benzoquinone Derivatives
Tomonori Kawashima, Kei Ohkubo, Shunichi Fukuzumi, Ikuo Nakanishi
FREE RADICAL BIOLOGY AND MEDICINE Vol. 49 p. S211-S211 2010年
Construction of Sn-IV Porphyrin/Trinuclear Ruthenium Cluster Dyads Linked by Pyridine Carboxylates: Photoinduced Electron Transfer in the Marcus Inverted Region
Takahiko Kojima, Kakeru Hanabusa, Kei Ohkubo, Motoo Shiro, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 16 No. 12 p. 3646-3655 2010年 研究論文(学術雑誌)
Photoinduced change of dielectric permittivity in molecular doped polymer layer
Heisuke Sakai, Hideyuki Murata, Motonobu Murakami, Kei Ohkubo, Shunichi Fukuzumi
APPLIED PHYSICS LETTERS Vol. 95 No. 25 2009年12月 研究論文(学術雑誌)
Mechanistic Insights into Hydride-Transfer and Electron-Transfer Reactions by a Manganese(IV)-Oxo Porphyrin Complex
Shunichi Fukuzumi, Naofumi Fujioka, Hiroaki Kotani, Kei Ohkubo, Yong-Min Lee, Wonwoo Nam
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 131 No. 47 p. 17127-17134 2009年12月 研究論文(学術雑誌)
Intramolecular base-accelerated radical-scavenging reaction of a planar catechin derivative bearing a lysine moiety.
Kiyoshi Fukuhara, Ikuo Nakanishi, Kei Ohkubo, Yoshinori Obara, Ayako Tada, Kohei Imai, Akiko Ohno, Asao Nakamura, Toshihiko Ozawa, Shiro Urano, Shinichi Saito, Shunichi Fukuzumi, Kazunori Anzai, Naoki Miyata, Haruhiro Okuda
Chemical communications (Cambridge, England) No. 41 p. 6180-2 2009年11月7日 研究論文(学術雑誌)
Anisotropic High Electron Mobility and Photodynamics of a Self-Assembled Porphyrin Nanotube Including C-60 Molecules
Hirofumi Nobukuni, Fumito Tani, Yuichi Shimazaki, Yoshinori Naruta, Kei Ohkubo, Tatsuaki Nakanishi, Takahiko Kojima, Shunichi Fukuzumi, Shu Seki
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 113 No. 45 p. 19694-19699 2009年11月 研究論文(学術雑誌)
Anion-Complexation-Induced Stabilization of Charge Separation
Francis D'Souza, Navaneetha K. Subbaiyan, Yongshu Xie, Jonathan P. Hill, Katsuhiko Ariga, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 131 No. 44 p. 16138-16146 2009年11月
Metalloporphycenes: Synthesis and Characterization of (Pentamethylcyclopentadienyl)ruthenium Sitting-Atop and pi-Complexes
Luciano Cuesta, Elizabeth Karnas, Vincent M. Lynch, Ping Chen, Jing Shen, Karl M. Kadish, Kei Ohkubo, Shunichi Fukuzumi, Jonathan L. Sessler
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 131 No. 37 p. 13538-13547 2009年9月 研究論文(学術雑誌)
The nature of long-lived photo-induced charge separation in ferrocene-porphyrin-fullerene molecules
Jeffrey R. Reimers, Sai H. Lee, Allan G. Larsen, Hiroaki Kotani, Kei Ohkubo, Shunichi Fukuzumi, Maxwell J. Crossley
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY Vol. 238 2009年8月
Synthesis and Photoinduced Electron Transfer of Phthalocyanine-Perylenebisimide Pentameric Arrays
F. Javier Cespedes-Guirao, Kei Ohkubo, Shunichi Fukuzumi, Angela Sastre-Santos, Fernando Fernandez-Lazaro
JOURNAL OF ORGANIC CHEMISTRY Vol. 74 No. 16 p. 5871-5880 2009年8月 研究論文(学術雑誌)
Structure and Spectroscopy of Oxyluciferin, the Light Emitter of the Firefly Bioluminescence
Pance Naumov, Yutaka Ozawa, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 131 No. 32 p. 11590-11605 2009年8月 研究論文(学術雑誌)
Photosynthetic Reaction Center Mimicry: Low Reorganization Energy Driven Charge Stabilization in Self-Assembled Cofacial Zinc Phthalocyanine Dimer-Fullerene Conjugate
Francis D'Souza, Eranda Maligaspe, Kei Ohkubo, Melvin E. Zandler, Navaneetha K. Subbaiyan, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 131 No. 25 p. 8787-8797 2009年7月
Photosynthetic Reaction Center Mimicry: Low Reorganization Energy Driven Charge Stabilization in Self-Assembled Cofacial Zinc Phthalocyanine Dimer-Fullerene Conjugate
Francis D'Souza, Eranda Maligaspe, Kei Ohkubo, Melvin E. Zandler, Navaneetha K. Subbaiyan, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 131 No. 25 p. 8787-8797 2009年7月
Aliphatic C-H Bond Activation Initiated by a (mu-eta(2):eta(2)-Peroxo)dicopper(II) Complex in Comparison with Cumylperoxyl Radical
Takahiro Matsumoto, Kei Ohkubo, Kaoru Honda, Akiko Yazawa, Hideki Furutachi, Shuhei Fujinami, Shunichi Fukuzumi, Masatatsu Suzuki
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 131 No. 26 p. 9258-9267 2009年7月 研究論文(学術雑誌)
Tuning Charge Transfer Energetics in Reaction Center Mimics via T-h-Functionalization of Fullerenes
Fabian Spaenig, Christian Kovacs, Frank Hauke, Kei Ohkubo, Shunichi Fukuzumi, Dirk M. Guldi, Andreas Hirsch
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 131 No. 23 p. 8180-8195 2009年6月 研究論文(学術雑誌)
In Vitro Heavy-Atom Effect of Palladium(II) and Platinum(II) Complexes of Pyrrolidine-Fused Chlorin in Photodynamic Therapy
Makoto Obata, Shiho Hirohara, Rika Tanaka, Isamu Kinoshita, Kei Ohkubo, Shunichi Fukuzumi, Masao Tanihara, Shigenobu Yano
JOURNAL OF MEDICINAL CHEMISTRY Vol. 52 No. 9 p. 2747-2753 2009年5月 研究論文(学術雑誌)
ブラジル産プロポリスに含まれるフェノール性抗酸化物質およびその誘導体のラジカル消去機構
中西 郁夫, 宇都 義浩, 大久保 敬, 川島 知憲, 松本 謙一郎, Manda Sushma, 堀 均, 福原 潔, 奥田 晴宏, 伊古田 暢夫, 小澤 俊彦, 安西 和紀
日本薬学会年会要旨集 Vol. 129年会 No. 2 p. 133-133 2009年3月
出版者・発行元:(公社)日本薬学会Rational Design and Functions of Electron Donor-Acceptor Dyads with Much Longer Charge-Separated Lifetimes than Natural Photosynthetic Reaction Centers
Kei Ohkubo, Shunichi Fukuzumi
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN Vol. 82 No. 3 p. 303-315 2009年3月
Catalytic Activity of Biscobalt Porphyrin-Corrole Dyads Toward the Reduction of Dioxygen
Karl M. Kadish, Laurent Fremond, Jing Shen, Ping Chen, Kei Ohkubo, Shunichi Fukuzumi, Maya El Ojaimi, Claude P. Gros, Jean-Michel Barbe, Roger Gullard
INORGANIC CHEMISTRY Vol. 48 No. 6 p. 2571-2582 2009年3月 研究論文(学術雑誌)
Reorganization Energies of Diprotonated and Saddle-Distorted Porphyrins In Photoinduced Electron-Transfer Reduction Controlled by Conformational Distortion
Tatsuaki Nakanishi, Kei Ohkubo, Takahiko Kojima, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 131 No. 2 p. 577-584 2009年1月 研究論文(学術雑誌)
Radical-Scavenging Activity of Biosynthetic Precursors of Vitemin E and Their Derivatives
Ikuo Nakanishi, Yoshihiro Uto, Kei Ohkubo, Ken-ichiro Matsumoto, Hitoshi Hori, Kiyoshi Fukuhara, Haruhiro Okuda, Nobuo Ikota, Shunichi Fukuzumi, Toshihiko Ozawa, Kazunori Anzai
FREE RADICAL BIOLOGY AND MEDICINE Vol. 47 p. S191-S191 2009年
Charge separation in metallomacrocycle complexes linked with electron acceptors by axial coordination
Shunichi Fukuzumi, Tatsuhiko Honda, Kei Ohkubo, Takahiko Kojima
DALTON TRANSACTIONS No. 20 p. 3880-3889 2009年 研究論文(学術雑誌)
Change in the Site of Electron-Transfer Reduction of a Zinc-Quinoxalinoporphyrin/Gold-Quinoxalinoporphyrin Dyad by Binding of Scandium Ions and the Resulting Remarkable Elongation of the Charge-Shifted-State Lifetime
Kei Ohkubo, Rachel Garcia, Paul J. Sintic, Tony Khoury, Maxwell J. Crossley, Karl M. Kadish, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 15 No. 40 p. 10493-10503 2009年 研究論文(学術雑誌)
Photoconductivity of Porphyrin Nanochannels Composed of Diprotonated Porphyrin Dications with Saddle Distortion and Electron Donors
Tatsuaki Nakanishi, Takahiko Kojima, Kei Ohkubo, Taku Hasobe, Ken-ichi Nakayama, Shunichi Fukuzumi
CHEMISTRY OF MATERIALS Vol. 20 No. 24 p. 7492-7500 2008年12月 研究論文(学術雑誌)
Metal Quinolinolate-Fullerene(s) Donor-Acceptor Complexes: Evidence for Organic LED Molecules Acting as Electron Donors in Photoinduced Electron-Transfer Reactions
Francis D'Souza, Eranda Maligaspe, Melvin E. Zandler, Navaneetha K. Subbaiyan, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 130 No. 50 p. 16959-16967 2008年12月 研究論文(学術雑誌)
Adiabatic Photoinduced Electron Transfer and Back Electron Transfer in a Series of Axially Substituted Silicon Phthalocyanine Triads
Luis Martin-Gomis, Kei Ohkubo, Fernando Fernandez-Lazaro, Shunichi Fukuzumi, Angela Sastre-Santos
JOURNAL OF PHYSICAL CHEMISTRY C Vol. 112 No. 45 p. 17694-17701 2008年11月 研究論文(学術雑誌)
"Umpolung" Photoinduced Charge Separation in an Anion-bound Supramolecular Complex
Jonathan L. Sessler, Elizabeth Karnas, Sung Kuk Kim, Zhongping Ou, Min Zhang, Karl M. Kadish, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 130 No. 46 p. 15256-+ 2008年11月 研究論文(学術雑誌)
Highly Selective Synthesis of the Ring-B Reduced Chlorins by Ferric Chloride-Mediated Oxidation of Bacteriochlorins: Effects of the Fused Imide vs Isocyclic Ring on Photophysical and Electrochemical Properties
Chao Liu, Mahabeer P. Dobhal, Manivannan Ethirajan, Joseph R. Missert, Ravindra K. Pandey, Sathyamangalam Balasubramanian, Dinesh K. Sukumaran, Min Zhang, Karl M. Kadish, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 130 No. 43 p. 14311-14323 2008年10月 研究論文(学術雑誌)
Corrole-Fullerene Dyads: Formation of Long-Lived Charge-Separated States in Nonpolar Solvents
Francis D'Souza, Raghu Chitta, Kei Ohkubo, Mariusz Tasior, Navaneetha K. Subbaiyan, Melvin E. Zandler, Maciek K. Rogacki, Daniel T. Gryko, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 130 No. 43 p. 14263-14272 2008年10月
Control of Photoinduced Electron Transfer in Zinc Phthalocyanine-Perylenediimide Dyad and Triad by the Magnesium Ion
Shunichi Fukuzumi, Kei Ohkubo, Javier Ortiz, Ana M. Gutierrez, Fernando Fernandez-Lazaro, Angela Sastre-Santos
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 112 No. 43 p. 10744-10752 2008年10月 研究論文(学術雑誌)
Clarification of the oxidation state of cobalt corroles in heterogeneous
Karl M. Kadish, Jing Shen, Laurent Fremond, Ping Chen, Maya El Ojaimi, Mohammed Chkounda, Claude P. Gros, Jean-Michel Barbe, Kei Ohkubo, Shunichi Fukuzumi, Roger Guilard
INORGANIC CHEMISTRY Vol. 47 No. 15 p. 6726-6737 2008年8月 研究論文(学術雑誌)
Exciplex mediated photoinduced electron transfer reactions of phthalocyanine-fullerene dyads
Marja Niemi, Nikolai V. Tkachenko, Alexander Efimov, Heli Lehtivuori, Kei Ohkubo, Shunichi Fukuzumi, Helge Lemmetyinen
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 112 No. 30 p. 6884-6892 2008年7月 研究論文(学術雑誌)
Androgynous porphyrins. Silver(II) quinoxalinoporphyrins act as both good electron donors and acceptors
Shunichi Fukuzumi, Kei Ohkubo, Weihua Zhu, Maxine Sintic, Tony Khoury, Paul J. Sintic, Wenbo E, Zhongping Ou, Maxwell J. Crossley, Karl M. Kadish
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 130 No. 29 p. 9451-9458 2008年7月 研究論文(学術雑誌)
Intermolecular vs. intramolecular photoinduced electron transfer from nucleotides in DNA to acridinium ion derivatives in relation with DNA cleavage
Makiko Tanaka, Kazusa Yukimoto, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY Vol. 197 No. 2-3 p. 206-212 2008年6月 研究論文(学術雑誌)
DNA cleavage induced by photoiffadiation of coenzyme B-12 and organocobaloximes without dioxygen
Makiko Tanaka, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY Vol. 197 No. 1 p. 94-100 2008年6月 研究論文(学術雑誌)
Metal bacteriochlorins which act as dual singlet oxygen and superoxide generators
Shunichi Fukuzumi, Kei Ohkubo, Xiang Zheng, Yihui Chen, Ravindra K. Pandey, Riqiang Zhan, Karl M. Kadish
JOURNAL OF PHYSICAL CHEMISTRY B Vol. 112 No. 9 p. 2738-2746 2008年3月 研究論文(学術雑誌)
Enhanced radical-scavenging activity of naturally-oriented artepillin C derivatives.
Sushma Manda, Ikuo Nakanishi, Kei Ohkubo, Yoshihiro Uto, Tomonori Kawashima, Hitoshi Hori, Kiyoshi Fukuhara, Haruhiro Okuda, Toshihiko Ozawa, Nobuo Ikota, Shunichi Fukuzumi, Kazunori Anzai
Chemical communications (Cambridge, England) No. 5 p. 626-8 2008年2月7日 研究論文(学術雑誌)
Synthesis and characterization of novel ferrocene-containing pyridylamine ligands and their ruthenium(II) complexes: Electronic communication through hydrogen-bonded amide linkage
Takahiko Kojima, Daisuke Noguchi, Tomoko Nakayama, Yuji Inagaki, Yoshihito Shiota, Kazunari Yoshizawa, Kei Ohkubo, Shunichi Fulkuzumi
INORGANIC CHEMISTRY Vol. 47 No. 3 p. 886-895 2008年2月 研究論文(学術雑誌)
Electron-transfer and acid-base properties of a two-electron oxidized form of quaterpyrrole that acts as both an electron donor and an acceptor
Min Zhang, E. Wenbo, Kei Ohkubo, David Sanchez-Garcia, Dae-Wi Yoon, Jonathan L. Sessler, Shunichi Fukuzumi, Karl M. Kadish
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 112 No. 7 p. 1633-1642 2008年2月 研究論文(学術雑誌)
金属内包フラーレンに基づく超分子系の構築
土屋 敬広, 佐藤 久美子, 横澤 裕也, 佐久間 理子, 赤阪 健, 加藤 立久, 大久保 敬, 福住 俊一, 永瀬 茂
ホスト・ゲスト化学シンポジウム講演要旨集 Vol. 2008 p. 107-107 2008年
出版者・発行元:ホスト-ゲスト・超分子化学研究会Structure-Activity Relationship in Radical- Scavenging Reactions of Naturally-Oriented Artepillin C Derivatives
I. Nakanishi, Y. Uto, K. Ohkubo, T. Kawashima, S. Manda, K. Matsumoto, H. Hori, K. Fukuhara, H. Okuda, N. Ikota, S. Fukuzumi, T. Ozawa, K. Anzai
PROCEEDINGS OF THE XIV BIENNIAL MEETING OF THE SOCIETY FOR FREE RADICAL RESEARCH INTERNATIONAL p. 125-+ 2008年 研究論文(国際会議プロシーディングス)
Synthesis, structure, and transport property of perfluorinated oligofluorenes
Kimitaka Ohkubo, Youichi Sakamoto, Toshiyasu Suzuki, Toshimitsu Tsuzuki, Daisuke Kumaki, Shizuo Tokito
CHEMISTRY-A EUROPEAN JOURNAL Vol. 14 No. 15 p. 4472-4474 2008年 研究論文(学術雑誌)
Spectroscopic characterization of photolytically generated radical ion pairs in single-wall carbon nanotubes bearing surface-immobilized tetrathiafulvalenes
M. Angeles Herranz, Christian Ehli, Stephane Campidelli, Miriam Gutierrez, Gordon L. Hug, Kei Ohkubo, Shunichi Fukuzumi, Maurizio Prato, Nazario Martin, Dirk M. Guldi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 130 No. 1 p. 66-73 2008年1月 研究論文(学術雑誌)
Response: Why had long-lived electron-transfer states of donor-substituted 10-methylacridinium ions been overlooked? Formation of the dimer radical cations detected in the near-IR region
Shunichi Fukuzumi, Hiroaki Kotani, Kei Ohkubo
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 10 No. 33 p. 5159-5162 2008年
Proton-coupled electron transfer in ruthenium(II)-pterin complexes: formation of ruthenium-coordinated pterin radicals and their electronic structures
Soushi Miyazaki, Takahilko Kojima, Taisuke Sakamoto, Tetsuya Matsumoto, Kel Ohkubo, Shunichi Fukuzumi
INORGANIC CHEMISTRY Vol. 47 No. 1 p. 333-343 2008年1月 研究論文(学術雑誌)
Proton Shift upon One-Electron Reduction in Ruthenium(II)-Coordinated Pterins
Soushi Miyazaki, Kei Ohkubo, Takahiko Kojima, Shunichi Fukuzumi
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Vol. 47 No. 50 p. 9669-9672 2008年 研究論文(学術雑誌)
One-Step Hydrogen Atom Transfer in Radical-Scavenging Reactions by Artepillin C Derivatives Enhanced by Electron-Donating Groups
Ikuo Nakanishi, Kei Ohkubo, Yoshihiro Uto, Tomonori Kawashima, Sushma Manda, Kiyoshi Fukuhara, Haruhiro Okuda, Hitoshi Hori, Nobuo Ikota, Shunichi Fukuzumi, Toshihiko Ozawa, Kazunori Anzai
FREE RADICAL BIOLOGY AND MEDICINE Vol. 45 p. S63-S63 2008年
Long-lived charge-separated states of simple electron donor-acceptor dyads using porphyrins and phthalocyanines
Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES Vol. 12 No. 9 p. 993-1004 2008年
Formation of hydrogen peroxide from coal tar as hydrogen sources using 9-mesityl-10-methylacridinium ion as an effective photocatalyst
Hiroaki Kotani, Kei Ohkubo, Shunichi Fukuzumi
APPLIED CATALYSIS B-ENVIRONMENTAL Vol. 77 No. 3-4 p. 317-324 2008年1月 研究論文(学術雑誌)
Formation of dodecaphenylporphodimethene via facile protonation of saddle-distorted dodecaphenylporphyrin
Takahiko Kojima, Kakeru Hanabusa, Kei Ohkubo, Motoo Shiro, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS No. 48 p. 6513-6515 2008年 研究論文(学術雑誌)
Face-to-face Pacman-type porphyrin-fullerene dyads: Design, synthesis, charge-transfer interactions, and photophysical studies
Francis D'Souza, Eranda Maligaspe, Paul A. Karr, Amy Lea Schumacher, Maya El Ojaimi, Claude P. Gros, Jean-Michel Barbe, Kei Ohkubo, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 14 No. 2 p. 674-681 2008年 研究論文(学術雑誌)
Effect of metal ions on the radical-scavenging rates of hydroquinones
Ikuo Nakanishi, Yoshihiro Uto, Kei Ohkubo, Seiji Shirai, Eiji Nakata, Sushma Manda, Hideko Nagasawa, Hitoshi Hori, Kiyoshi Fukuhara, Haruhiro Okuda, Nobuo Ikota, Shunichi Fukuzumi, Kazunori Anzai, Toshihiko Ozawa
YAKUGAKU ZASSHI-JOURNAL OF THE PHARMACEUTICAL SOCIETY OF JAPAN Vol. 128 p. 69-69 2008年
Does bimolecular charge recombination in highly exergonic electron transfer afford the triplet excited state or the ground state of a photosensitizer?
Motonobu Murakami, Kei Ohkubo, Paulami Mandal, Tapan Ganguly, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 112 No. 4 p. 635-642 2008年1月 研究論文(学術雑誌)
Control of the orbital delocalization and implications for molecular rectification in the radical anions of porphyrins with coplanar 90 degrees and 180 degrees beta,beta '-fused extensions
E. Wenbo, Karl M. Kadish, Paul J. Sintic, Tony Khoury, Linda J. Govenlock, Zhongping Ou, Jianguo Shao, Kei Ohkubo, Jeffrey R. Reimers, Shunichi Fukuzumi, Maxwell J. Crossley
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 112 No. 3 p. 556-570 2008年1月 研究論文(学術雑誌)
Contrasting photodynamics between C-60-dithiapyrene and C-60-pyrene dyads
Dirk M. Guldi, Fabian Spaenig, David Kreher, Igor F. Perepichka, Cornelia van der Pol, Martin R. Bryce, Kei Ohkubo, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 14 No. 1 p. 250-258 2008年 研究論文(学術雑誌)
A discrete supramolecular conglomerate composed of two saddle-distorted zinc(II)-phthalocyanine complexes and a doubly protonated porphyrin with saddle distortion undergoing efficient photoinduced electron transfer
Takahiko Kojima, Tatsuhiko Honda, Kei Ohkubo, Motoo Shiro, Takahiro Kusukawa, Takamitsu Fukuda, Nagao Kobayashi, Shunichi Fukuzumi
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Vol. 47 No. 35 p. 6712-6716 2008年 研究論文(学術雑誌)
(Pentamethylcyclopentadienyl)ruthenium pi-Complexes of Metalloporphyrins: Platforms with Novel Photo- and Electrochemical Properties
Luciano Cuesta, Elizabeth Karnas, Vincent M. Lynch, Jonathan L. Sessler, Wiroaj Kajonkijya, Weihua Zhu, Min Zhang, Zhongping Ou, Karl. M. Kadish, Kei Ohkubo, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 14 No. 33 p. 10206-10210 2008年 研究論文(学術雑誌)
Involvement of electron transfer in the radical-scavenging reaction of resveratrol
Ikuo Nakanishi, Tomokazu Shimada, Kei Ohkubo, Sushma Manda, Takehiko Shimizu, Shiro Urano, Haruhiro Okuda, Naoki Miyata, Toshihiko Ozawa, Kazunori Anzai, Shunichi Fukuzumi, Nobuo Ikota, Kiyoshi Fukuhara
CHEMISTRY LETTERS Vol. 36 No. 10 p. 1276-1277 2007年10月 研究論文(学術雑誌)
Design and synthesis of polymetallic complexes based on meso-calix[4]pyrrole: Platforms for multielectron chemistry
Luciano Cuesta, Dustin Gross, Vincent M. Lynch, Zhongping Ou, Wiroaj Kajonkijya, Kei Ohkubo, Shunichi Fukuzumi, Karl M. Kadish, Jonathan L. Sessler
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 129 No. 38 p. 11696-+ 2007年9月 研究論文(学術雑誌)
Synthesis and photophysical studies of a new nonaggregated C-60-silicon phthalocyanine-C-60 triad
Luis Martin-Gomis, Kei Ohkubo, Fernando Fernandez-Lazaro, Shunichi Fukuzumi, Angela Sastre-Santos
ORGANIC LETTERS Vol. 9 No. 17 p. 3441-3444 2007年8月 研究論文(学術雑誌)
Quinoxalino[2,3-b']porphyrins behave as pi-expanded porphyrins upon one-electron reduction: Broad control of the degree of delocalization through substitution at the macrocycle periphery
Karl M. Kadish, E. Wenbo, Paul J. Sintic, Zhongping Ou, Jianguo Shao, Kei Ohkubo, Shunichi Fukuzumi, Linda J. Govenlock, James A. McDonald, Andrew C. Try, Zheng-Li Cai, Jeffrey R. Reimers, Maxwell J. Crossley
JOURNAL OF PHYSICAL CHEMISTRY B Vol. 111 No. 30 p. 8762-8774 2007年8月 研究論文(学術雑誌)
Effect of solvent polarity on the one-electron oxidation of cyclic nitroxyl radicals
Sushma Manda, Ikuo Nakanishi, Kei Ohkubo, Tomonori Kawashima, Ken-ichiro Matsumoto, Toshihiko Ozawa, Shunichi Fukuzumi, Nobuo Ikota, Kazunori Anzai
CHEMISTRY LETTERS Vol. 36 No. 7 p. 914-915 2007年7月 研究論文(学術雑誌)
A long-lived o-semiquinone radical anion is formed from N-beta-alanyl-5-S-glutathionyl-3,4-dihydroxyphenylalanine (5-S-GAD), an insect-derived antibacterial substance
Nobuko Akiyama, Ikuo Nakanishi, Kei Ohkubo, Kazue Satoh, Koichiro Tsuchiya, Takeshi Nishikawa, Shunichi Fukuzumi, Nobuo Ikota, Toshihiko Ozawa, Masafumi Tsujimoto, Shunji Natori
JOURNAL OF BIOCHEMISTRY Vol. 142 No. 1 p. 41-48 2007年7月 研究論文(学術雑誌)
Redox behavior of cyclo[6]pyrrole in the formation of a uranyl complex
Patricia J. Melfi, Sung Kuk Kim, Jeong Tae Lee, Frederic Bolze, Daniel Seidel, Vincent M. Lynch, Jacqueline M. Veauthier, Andrew J. Gaunt, Mary P. Neu, Zhongping Ou, Karl M. Kadish, Shunichi Fukuzumi, Kei Ohkubo, Jonathan L. Sessler
INORGANIC CHEMISTRY Vol. 46 No. 13 p. 5143-5145 2007年6月 研究論文(学術雑誌)
A tightly coupled bis(zinc(II) phthalocyanine)-perylenediimide ensemble to yield long-lived radical ion pair states
Angel J. Jimenez, Fabian Spaenig, M. Salome Rodriguez-Morgade, Kei Ohkubo, Shunichi Fukuzumi, Dirk M. Guldi, Tomas Torres
ORGANIC LETTERS Vol. 9 No. 13 p. 2481-2484 2007年6月 研究論文(学術雑誌)
Porphyrin-diones and porphyrin-tetraones: Reversible redox units being localized within the porphyrin macrocycle and their effect on tautomerism
Karl M. Kadish, Wenbo E, Riqiang Zhan, Tony Khoury, Linda J. Govenlock, Jognandan K. Prashar, Paul J. Sintic, Kei Ohkubo, Shunichi Fukuzumi, Maxwell J. Crossley
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 129 No. 20 p. 6576-6588 2007年5月 研究論文(学術雑誌)
Intramolecular electron transfer within the substituted tetrathiafulvalene-quinone dyads: Facilitated by metal ion and photomodulation in the presence of spiropyran
Hui Wu, Deqing Zhang, Lei Su, Kei Ohkubo, Chunxi Zhang, Shiwei Yin, Lanqun Mao, Zhigang Shuai, Shunichi Fukuzumi, Daoben Zhu
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 129 No. 21 p. 6839-6846 2007年5月 研究論文(学術雑誌)
Electron-transfer oxidation properties of substituted Bi-, Ter-, and quaterpyrroles
Wenbo E, Kei Ohkubo, David Sanchez-Garcia, Min Zhang, Jonathan L. Sessler, Shunichi Fukuzumi, Karl M. Kadish
JOURNAL OF PHYSICAL CHEMISTRY B Vol. 111 No. 17 p. 4320-4326 2007年5月 研究論文(学術雑誌)
Model studies of 6,7-indolequinone cofactors of quinoprotein amine dehydrogenases
Yoko Murakami, Noriyuki Yoshimoto, Nobutaka Fujieda, Kei Ohkubo, Tatsuhiko Hasegawa, Kenji Kano, Shunichi Fukuzumi, Shinobu Itoh
JOURNAL OF ORGANIC CHEMISTRY Vol. 72 No. 9 p. 3369-3380 2007年4月 研究論文(学術雑誌)
Scandium ion-accelerated scavenging reaction of cumylperoxyl radical by a cyclic nitroxyl radical via electron transfer
Ikuo Nakanishi, Kumiko Kawaguchi, Kei Ohkubo, Tomonori Kawashima, Sushma Manda, Hideko Kanazawa, Keizo Takeshita, Kazunori Anzai, Toshihiko Ozawa, Shunichi Fukuzumi, Nobuo Ikota
CHEMISTRY LETTERS Vol. 36 No. 3 p. 378-379 2007年3月 研究論文(学術雑誌)
金属内包フラーレンと有機ドナー分子に基づく可逆電子移動系の構築
土屋 敬広, 佐藤 久美子, 赤阪 健, 加藤 立久, 大久保 敬, 福住 俊一, 永瀬 茂
基礎有機化学討論会要旨集(基礎有機化学連合討論会予稿集) Vol. 37 p. 160-160 2007年
出版者・発行元:基礎有機化学会(基礎有機化学連合討論会)π-complex formation between a bisporphyrin and acridinium ion and the photodynamics
Makiko Tanaka, Kei Ohkubo, Claude P. Gros, Roger Guilard, Shunichi Fukuzumi
ECS Transactions Vol. 2 No. 12 p. 167-176 2007年 研究論文(国際会議プロシーディングス)
Formation of a charge-separated state of a fullerene-trinitrofluorenone dyad by complexation with scandium ion
Kei Ohkubo, Javier Ortiz, Luis Martin-Gomis, Fernando Fernández-Lázaro, Ángela Sastre-Santos, Shunichi Fukuzumi
ECS Transactions Vol. 2 No. 12 p. 15-25 2007年 研究論文(国際会議プロシーディングス)
Synthesis and characterization of mononuclear Ruthenium(III)Pyridylamine complexes and mechanistic insights into their catalytic alkane functionalization with m-chloroperbenzoic acid
Takahiko Kojima, Ken-Ichi Hayashi, Shin-ya Iizuka, Fumito Tani, Yoshinori Naruta, Masaki Kawano, Yuji Ohashi, Yuichirou Hirai, Kei Ohkubold, Yoshihisa Matsuda, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 13 No. 29 p. 8212-8222 2007年 研究論文(学術雑誌)
Selective inclusion of electron-donating molecules into porphyrin nanochannels derived from the self-assembly of saddle-distorted, protonated porphyrins and photoinduced electron transfer from guest molecules to porphyrin dications
Takahiko Kojima, Tatsuaki Nakanishi, Ryosuke Harada, Kei Ohkubo, Seigo Yamauchi, Shunichi Fukuzumi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 13 No. 31 p. 8714-8725 2007年 研究論文(学術雑誌)
Photophysical, electrochemical characteristics and cross-linking of STAT-3 protein by an efficient bifunctional agent for fluorescence image-guided photodynamic therapy
Yihui Chen, Kei Ohkubo, Min Zhang, E. Wenbo, Weiguo Liu, Suresh K. Pandey, Michael Ciesielski, Heinz Baumann, Tracy Erin, Shunichi Fukuzumi, Karl M. Kadish, Robert Fenstermaker, Allan Oseroff, Ravindra K. Pandey
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES Vol. 6 No. 12 p. 1257-1267 2007年 研究論文(学術雑誌)
Photoinduced electron transfer in a beta,beta '-pyrrolic fused ferrocene-(zinc porphyrin)-fullerene
David Curiel, Kei Ohkubo, Jeffrey R. Reimers, Shunichi Fukuzumi, Maxwell J. Crossley
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 9 No. 38 p. 5260-5266 2007年 研究論文(学術雑誌)
Nitroxyl radicals: electrochemical redox behaviour and structure-activity relationships
Sushma Manda, Ikuo Nakanishi, Kei Ohkubo, Haruko Yakumaru, Ken-Ichiro Matsumoto, Toshihiko Ozawa, Nobuo Ikota, Shunichi Fukuzumi, Kazunori Anzai
ORGANIC & BIOMOLECULAR CHEMISTRY Vol. 5 No. 24 p. 3951-3955 2007年 研究論文(学術雑誌)
Modulation of characteristics of a ruthenium-coordinated flavin analogue that shows an unusual coordination mode
Soushi Miyazaki, Kei Ohkubo, Takahiko Kojima, Shunichi Fukuzumi
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Vol. 46 No. 6 p. 905-908 2007年 研究論文(学術雑誌)
Intramolecular base-accelerated radical-scavenging reaction of a planar catechin derivative having a lysine moiety
Kiyoshi Fukuhara, Ikuo Nakanishi, Miki Obara, Kei Ohkubo, Tomonori Kawashima, Toshihiko Ozawa, Nobuo Ikota, Kazunori Anzai, Shunichi Fukuzumi, Naoki Miyata, Shinichi Saito, Haruhiro Okuda
FREE RADICAL BIOLOGY AND MEDICINE Vol. 43 p. S96-S96 2007年
Fullerene acting as an electron donor in a donor-acceptor dyad to attain the long-lived charge-separated state by complexation with scandium ion
Kei Ohkubo, Javier Ortiz, Luis Martin-Gomis, Fernando Fernandez-Lazaro, Angela Sastre-Santos, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS No. 6 p. 589-591 2007年 研究論文(学術雑誌)
Enhanced photoinduced oligomerization of fullerene via radical coupling between fullerene radical cation and radical anion using 9-mesityl-10-methylacridinium ion
Kei Ohkubo, Ryosuke Iwata, Takahiro Yanagimoto, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS No. 30 p. 3139-3141 2007年 研究論文(学術雑誌)
Electron-transfer mechanism in the radical-scavenging reaction of resveratrol
Ikuo Nakanishi, Tomokazit Shimada, Kei Ohkubo, Sushma Manda, Shiro Urano, Haruhiro Okuda, Naoki Miyata, Toshihiko Ozawa, Konnori Anzai, Shunichi Fukuzumi, Nobuo Ikoto, Kiyoshi Fukuhara
FREE RADICAL BIOLOGY AND MEDICINE Vol. 43 p. S17-S17 2007年
Efficient photocatalytic hydrogen evolution without an electron mediator using a simple electron donor-acceptor dyad
Hiroaki Kotani, Toshiya Ono, Kei Ohkubo, Shunichi Fukuzumi
PHYSICAL CHEMISTRY CHEMICAL PHYSICS Vol. 9 No. 12 p. 1487-1492 2007年 研究論文(学術雑誌)
A discrete conglomerate of a distorted Mo(V)-porphyrin with a directly coordinated keggin-type polyoxometalate
Atsutoshi Yokoyama, Takahiko Kojima, Kei Ohkubo, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS No. 39 p. 3997-3999 2007年 研究論文(学術雑誌)
Photocatalytic formation of dimethyllepidopterene from 9,10-dimethylanthracene via electron-transfer oxidation
Kei Ohkubo, Ryosuke Iwata, Soushi Miyazaki, Takahiko Kojima, Shunichi Fukuzumi
ORGANIC LETTERS Vol. 8 No. 26 p. 6079-6082 2006年12月 研究論文(学術雑誌)
Viologen-modified platinum clusters acting as an efficient catalyst in photocatalytic hydrogen evolution
Hiroaki Kotani, Kei Ohkubo, Yoshizo Takai, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY B Vol. 110 No. 47 p. 24047-24053 2006年11月 研究論文(学術雑誌)
Spin-site exchange system constructed from endohedral metallofullerenes and organic donors
Takahiro Tsuchiya, Kumiko Sato, Hiroki Kurihara, Takatsugu Wakahara, Yutaka Maeda, Takeshi Akasaka, Kei Ohkubo, Shunichi Fukuzumi, Tatsuhisa Kato, Shigeru Nagase
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 128 No. 45 p. 14418-14419 2006年11月 研究論文(学術雑誌)
Persistent electron-transfer state of a pi-complex of acridinium ion inserted between porphyrin rings of cofacial bisporphyrins
Makiko Tanaka, Kei Ohkubo, Claude P. Gros, Roger Guilard, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 128 No. 45 p. 14625-14633 2006年11月 研究論文(学術雑誌)
Photocatalytic electron-transfer oxidation of triphenylphosphine and benzylamine with molecular oxygen via formation of radical cations and superoxide ion
Kei Ohkubo, Takashi Nanjo, Shunichi Fukuzumi
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN Vol. 79 No. 10 p. 1489-1500 2006年10月 研究論文(学術雑誌)
Activation of electron-transfer reduction of oxygen by hydrogen bond formation of superoxide anion with ammonium ion
Kei Ohkubo, Hironori Kitaguchi, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 110 No. 41 p. 11613-11616 2006年10月 研究論文(学術雑誌)
Reductive DNA cleavage induced by UVA photoirradiation of NADH without oxygen
Makiko Tanaka, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 128 No. 38 p. 12372-12373 2006年9月 研究論文(学術雑誌)
Photocatalytic oxygenation of olefins with oxygen isolation of 1,2-dioxetane and the photocatalytic O-O bond cleavage
Kei Ohkubo, Takashi Nanjo, Shunichi Fukuzumi
CATALYSIS TODAY Vol. 117 No. 1-3 p. 356-361 2006年9月 研究論文(学術雑誌)
DNA cleavage by UVA irradiation of NADH with dioxygen via radical chain processes
Makiko Tanaka, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 110 No. 38 p. 11214-11218 2006年9月 研究論文(学術雑誌)
Photoinduced electron-transfer dynamics and long-lived CS states of donor-acceptor linked dyads and a triad containing a gold porphyrin in nonpolar solvents
Kei Ohkubo, Paul J. Sintic, Nikolai V. Tkachenko, Helge Lemmetyinen, Wenbo E, Zhongping Ou, Jianguo Shao, Karl M. Kadish, Maxwell J. Crossley, Shunichi Fukuzumi
CHEMICAL PHYSICS Vol. 326 No. 1 p. 3-14 2006年7月 研究論文(学術雑誌)
Host-guest complexation of endohedral metallofullerene with azacrown ether and its application
Takahiro Tsuchiya, Kumiko Sato, Hiroki Kurihara, Takatsugu Wakahara, Tsukasa Nakahodo, Yutaka Maeda, Takeshi Akasaka, Kei Ohkubo, Shunich Fukuzumi, Tatsuhisa Kato, Naomi Mizorogi, Kaoru Kobayashi, Shigeru Nagase
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 128 No. 20 p. 6699-6703 2006年5月 研究論文(学術雑誌)
ニトロキシドスピンプローブによるペルオキシルラジカル消去の反応機構解明
川口 久美子, 中西 郁夫, 大久保 敬, 川島 知憲, 金澤 秀子, 安西 和紀, 竹下 啓蔵, 小澤 俊彦, 福住 俊一, 伊古田 暢夫
日本薬学会年会要旨集 Vol. 126年会 No. 2 p. 69-69 2006年3月
出版者・発行元:(公社)日本薬学会Structural basis for DNA-cleaving activity of resveratrol in the presence of Cu(II)
K Fukuhara, M Nagakawa, Nakanishi, I, K Ohkubo, K Imai, S Urano, S Fukuzumi, T Ozawa, N Ikota, M Mochizuki, N Miyata, H Okuda
BIOORGANIC & MEDICINAL CHEMISTRY Vol. 14 No. 5 p. 1437-1443 2006年3月 研究論文(学術雑誌)
Photocatalytic oxygenation of pivalic acid with molecular oxygen via photoinduced electron transfer using 10-methylacridinium ions
K Suga, K Ohkubo, S Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 110 No. 11 p. 3860-3867 2006年3月 研究論文(学術雑誌)
Organotin perfluorooctanesulfonates as air-stable Lewis acid catalysts: Synthesis, characterization, and catalysis
DL An, ZH Peng, A Orita, A Kurita, S Man-e, K Ohkubo, XS Li, S Fukuzumi, J Otera
CHEMISTRY-A EUROPEAN JOURNAL Vol. 12 No. 6 p. 1642-1647 2006年2月 研究論文(学術雑誌)
Electron-transfer oxidation properties of unsaturated fatty acids and mechanistic insight into lipoxygenases
H Kitaguchi, K Ohkubo, S Ogo, S Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 110 No. 5 p. 1718-1725 2006年2月 研究論文(学術雑誌)
演題名: 常磁性内包フラーレンに基づく超分子系の構築
土屋 敬広, 佐藤 久美子, 栗原 広樹, 若原 孝次, 赤阪 健, 前田 優, 加藤 立久, 大久保 敬, 福住 俊一, 溝呂木 直美, 永瀬 茂
基礎有機化学討論会要旨集(基礎有機化学連合討論会予稿集) Vol. 18 p. 79-79 2006年
出版者・発行元:基礎有機化学会(基礎有機化学連合討論会)Kinetic study on the radical-scavenging activity of natural antioxidants having 4-propenylphenol structures
T. Kawashima, I. Nakanishi, K. Ohkubo, Y. Uto, S. Manda, H. Kanazawa, K. Fukuhara, H. Okuda, K. Suzuki, H. Nagasawa, H. Hori, K. Anzai, T. Ozawa, S. Fukuzumi, N. Ikota
PROCEEDINGS OF THE XIII CONGRESS OF THE SOCIETY FOR FREE RADICAL RESEARCH INTERNATIONAL p. 199-+ 2006年 研究論文(国際会議プロシーディングス)
Fine control of electron-transfer properties of bisphenol developing agents for silver salt photothermographic materials by hydrogen bonding substituents
Hiromi Akahori, Kenji Ohnuma, Hideki Komatsu, Tetsuya Suzuki, Tsuyoshi Mitsuhashi, Kei Ohkubo, Takashi Nanjo, Shunichi Fukuzumi
ICIS '06: INTERNATIONAL CONGRESS OF IMAGING SCIENCE, FINAL PROGRAM AND PROCEEDINGS p. 208-+ 2006年 研究論文(国際会議プロシーディングス)
Synthesis, radical-scavenging activity, and redox behavior of planar catechin derivatives
K. Fukuhara, I. Nakanishi, T. Kawashima, A. Tada, H. Yakumaru, K. Ohkubo, H. Kanazawa, S. Urano, H. Okuda, N. Miyata, K. Anzai, T. Ozawa, S. Fukuzumi, N. Ikota
FREE RADICAL RESEARCH Vol. 40 p. S97-S97 2006年
Solvent-free selective photocatalytic oxidation of benzyl alcohol to benzaldehyde by molecular oxygen using 9-phenyl-10-methylacridinium
K Ohkubo, K Suga, S Fukuzumi
CHEMICAL COMMUNICATIONS No. 19 p. 2018-2020 2006年 研究論文(学術雑誌)
Radical-scavenging reactions of 4-propenyl-phenol derivatives
Tomonori Kawashima, Ikuo Nakanishi, Kei Ohkubo, Yoshihiro Uto, Sushma Manda, Keiko Suzuki, Hideko Kanazawa, Kiyoshi Fukuhara, Haruhiro Okuda, Hideko Nagasawa, Hitoshi Hori, Kazumori Anzai, Toshihiko Ozawa, Nobuo Ikota, Shunichi Fukuzumi
FREE RADICAL BIOLOGY AND MEDICINE Vol. 41 p. S23-S23 2006年
Radical-scavenging activity of nitroxyl radical as an electron donor
S. Manda, K. Kawaguchi, K. Ohkubo, T. Kawashima, H. Kanazawa, K. Takeshita, K. Anzai, T. Ozawa, S. Fukuzumi, N. Ikota, I. Nakanishi
PROCEEDINGS OF THE XIII CONGRESS OF THE SOCIETY FOR FREE RADICAL RESEARCH INTERNATIONAL Vol. 40 p. 237-+ 2006年 研究論文(国際会議プロシーディングス)
Kinetic study on the radical-scavenging activity of natural antioxidants having 4-propenylphenol structures
T. Kawashima, I. Nakanishi, K. Ohkubo, Y. Uto, S. Manda, H. Kanazawa, K. Fukuhara, H. Okuda, K. Suzuki, H. Nagasawa, H. Hori, K. Anzai, T. Ozawa, S. Fukuzumi, N. Ikota
FREE RADICAL RESEARCH Vol. 40 p. S102-S102 2006年
Hydrogen abstraction from neurotransmitters by active oxygen species facilitated by intramolecular hydrogen bonding in the radical intermediates
K Ohkubo, Y Moro-oka, S Fukuzumi
ORGANIC & BIOMOLECULAR CHEMISTRY Vol. 4 No. 6 p. 999-1001 2006年 研究論文(学術雑誌)
Direct detection of nucleotide radical cations produced by electrontransfer oxidation of DNA bases with electron-transfer state of 9-mesityl-10-methylacridinium ion and resulting efficient DNA cleavage without oxygen
K Ohkubo, K Yukimoto, S Fukuzumi
CHEMICAL COMMUNICATIONS No. 23 p. 2504-2506 2006年 研究論文(学術雑誌)
DNA cleaving-activity of water-soluble C-70 under visible-light irradiation
Ikuo Nakanishi, Kei Ohkubo, Tomonori Kawashima, Kumiko Kawaguchi, Minako Nyui, Mitsuko Takusagawa, Sushma Manda, Tomoyoshi Suenobu, Kiyoshi Fukuhara, Haruhiro Okuda, Hideko Kanazawa, Naoki Miyata, Toshihiko Ozawa, Kazunori Anzai, Shunichi Fukuzumi, Nobuo Ikota
FREE RADICAL BIOLOGY AND MEDICINE Vol. 41 p. S66-S66 2006年
An extremely long-lived charge-separated state of zinc tetraphenylporphyrin coordinated with pyridylnaphthalene-diimide
Kenji Saito, Yukiyasu Kashiwagi, Kei Ohkubo, Shunichi Fukuzumi
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES Vol. 10 No. 12 p. 1371-1379 2006年 研究論文(学術雑誌)
Additivity rule holds in the hydrogen transfer reactivity of unsaturated fatty acids with a peroxyl radical: mechanistic insight into lipoxygenase
H Kitaguchi, K Ohkubo, S Ogo, S Fukuzumi
CHEMICAL COMMUNICATIONS No. 9 p. 979-981 2006年 研究論文(学術雑誌)
Antichagasic activity of komaroviquinone is due to generation of reactive oxygen species catalyzed by Trypanosoma cruzi old yellow enzyme
N Uchiyama, Z Kabututu, BK Kubata, F Kiuchi, M Ito, J Nakajima-Shimada, T Aoki, K Ohkubo, S Fukuzumi, SK Martin, G Honda, Y Urade
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY Vol. 49 No. 12 p. 5123-5126 2005年12月 研究論文(学術雑誌)
Selective oxygenation of 4,4 '-dimethylbiphenyl with molecular oxygen, catalyzed by 9-phenyl-10-methylacridinium ion via photoinduced electron transfer
K Suga, K Ohkubo, S Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 109 No. 44 p. 10168-10175 2005年11月 研究論文(学術雑誌)
Effects of DNA on driving force dependence of photoinduced electron transfer from the excited state of tris(2,2-bipyridine)ruthenium(II) to intercalators in DNA distinction between intra- and inter-DNA pathways
S Fukuzumi, M Tanaka, M Nishimine, K Ohkubo
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY Vol. 175 No. 2-3 p. 79-88 2005年10月 研究論文(学術雑誌)
Hydroxyl radical generation via photoreduction of a simple pyridine N-oxide by an NADH analogue.
Ikuo Nakanishi, Chiho Nishizawa, Kei Ohkubo, Keizo Takeshita, Kazuo T Suzuki, Toshihiko Ozawa, Sidney M Hecht, Masayuki Tanno, Shoko Sueyoshi, Naoki Miyata, Haruhiro Okuda, Shunichi Fukuzumi, Nobuo Ikota, Kiyoshi Fukuhara
Organic & biomolecular chemistry Vol. 3 No. 18 p. 3263-5 2005年9月21日 研究論文(学術雑誌)
Efficient photocatalytic oxygenation of aromatic alkene to 1,2-dioxetane with oxygen via electron transfer
K Ohkubo, T Nanjo, S Fukuzumi
ORGANIC LETTERS Vol. 7 No. 19 p. 4265-4268 2005年9月 研究論文(学術雑誌)
Charge separation in a nonfluorescent donor-acceptor dyad derived from boron dipyrromethene dye, leading to photocurrent generation
S Hattori, K Ohkubo, Y Urano, H Sunahara, T Nagano, Y Wada, NV Tkachenko, H Lemmetyinen, S Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY B Vol. 109 No. 32 p. 15368-15375 2005年8月 研究論文(学術雑誌)
Intramolecular hydrogen bonding in bisphenol developing agents for photothermographic application
H Akahori, K Morita, A Nishijima, T Mitsuhashi, K Ohkubo, S Fukuzumi
JOURNAL OF IMAGING SCIENCE AND TECHNOLOGY Vol. 49 No. 4 p. 381-388 2005年7月 研究論文(学術雑誌)
Electrochemistry of [(TMpyP)M-II](4+)(X-)(4) (X- = Cl- or BPh4-) and [(TMpyP)(MCl)-Cl-III](4+)(Cl-)(4) in N,N-dimethylformamide where M is one of 15 different metal ions
E Van Caemelbecke, A Derbin, P Hambright, R Garcia, A Doukkali, A Saoiabi, K Ohkubo, S Fukuzumi, KM Kadish
INORGANIC CHEMISTRY Vol. 44 No. 11 p. 3789-3798 2005年5月 研究論文(学術雑誌)
Direct ESR detection of pentadienyl radicals and peroxyl radicals in lipid peroxidation: Mechanistic insight into regioselective oxygenation in lipoxygenases
H Kitaguchi, K Ohkubo, S Ogo, S Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 127 No. 18 p. 6605-6609 2005年5月 研究論文(学術雑誌)
Electron-transfer oxidation properties of DNA bases and DNA oligomers
S Fukuzumi, H Miyao, K Ohkubo, T Suenobu
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 109 No. 15 p. 3285-3294 2005年4月
Electron-transfer mechanism in radical-scavenging reactions by a vitamin E model in a protic medium.
Ikuo Nakanishi, Tomonori Kawashima, Kei Ohkubo, Hideko Kanazawa, Keiko Inami, Masataka Mochizuki, Kiyoshi Fukuhara, Haruhiro Okuda, Toshihiko Ozawa, Shinobu Itoh, Shunichi Fukuzumi, Nobuo Ikota
Organic & biomolecular chemistry Vol. 3 No. 4 p. 626-9 2005年2月21日 研究論文(学術雑誌)
Electron-transfer oxidation of coenzyme B-12 model compounds and facile cleavage of the cobalt(IV) - Carbon bond via charge-transfer complexes with bases. A negative temperature dependence of the rates
K Ohkubo, S Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 109 No. 6 p. 1105-1113 2005年2月 研究論文(学術雑誌)
Scavenging reaction of cumylperoxyl radical by nitroxide radicals via electron transfer
Nakanishi, I, K Kawaguchi, K Ohkubo, T Kawashima, H Kanazawa, K Anzai, S Fukuzumi, T Ozawa, N Ikota
FREE RADICAL BIOLOGY AND MEDICINE Vol. 39 p. S38-S38 2005年
Misleading effects of impurities derived from the extremely long-lived electron-transfer state of 9-mesityl-10-methylacridinium ion
K Ohkubo, H Kotani, S Fukuzumi
CHEMICAL COMMUNICATIONS No. 36 p. 4520-4522 2005年 研究論文(学術雑誌)
Formation of a long-lived charge-separated state of a zinc phthalocyanine-perylenediimide dyad by complexation with magnesium ion
S Fukuzumi, K Ohkubo, J Ortiz, AM Gutierrez, F Fernandez-Lazaro, A Sastre-Santos
CHEMICAL COMMUNICATIONS No. 30 p. 3814-3816 2005年 研究論文(学術雑誌)
Base-catalyzed radical-scavenging reactions by phenolic antioxidants
T Kawashima, Nakanishi, I, M Nyui, H Yakumaru, K Ohkubo, H Kanazawa, H Okuda, S Fukuzumi, T Ozawa, K Fukuhara, N Ikota
FREE RADICAL BIOLOGY AND MEDICINE Vol. 39 p. S33-S34 2005年
Photocatalytic oxygenation of anthracenes and olefins with dioxygen via selective radical coupling using 9-mesityl-10-methylacridinium ion as an effective electron-transfer photocatalyst
H Kotani, K Ohkubo, S Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 126 No. 49 p. 15999-16006 2004年12月 研究論文(学術雑誌)
Remarkable accelerating effects of ammonium cations on electron-transfer reactions of quinones by hydrogen bonding with semiquinone radical anions
K Okamoto, K Ohkubo, KM Kadish, S Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 108 No. 47 p. 10405-10413 2004年11月 研究論文(学術雑誌)
Rational principles for modulating fluorescence properties of fluorescein
T Ueno, Y Urano, K Setsukinai, H Takakusa, H Kojima, K Kikuchi, K Ohkubo, S Fukuzumi, T Nagano
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 126 No. 43 p. 14079-14085 2004年11月 研究論文(学術雑誌)
Drastic changes in the lifetime and electron transfer and energy transfer reactivity of the triplet excited state of p-benzoquinone by complex formation with scandium ion salts
J Yuasa, K Ohkubo, DM Guldi, S Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 108 No. 40 p. 8333-8340 2004年10月 研究論文(学術雑誌)
DNA cleavage induced by thermal electron transfer from a dimeric NADH analogue to acridinium ions in the presence of oxygen
S Fukuzumi, K Yukimoto, K Ohkubo
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 126 No. 40 p. 12794-12795 2004年10月 研究論文(学術雑誌)
Photoelectrochemical properties of supramolecular composite of fullerene nanoclusters and 9-mesityl-10-carboxymethylacridinium ion on SnO2
T Hasobe, S Hattori, H Kotani, K Ohkubo, K Hosomizu, H Imahori, PV Kamat, S Fukuzumi
ORGANIC LETTERS Vol. 6 No. 18 p. 3103-3106 2004年9月 研究論文(学術雑誌)
Enhanced energy and quantum efficiencies of a nanocrystalline photoelectrochemical cell sensitized with a donor - Acceptor dyad derived from fluorescein
S Hattori, T Hasobe, K Ohkubo, Y Urano, N Umezawa, T Nagano, Y Wada, S Yanagida, S Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY B Vol. 108 No. 39 p. 15200-15205 2004年9月 研究論文(学術雑誌)
EPR study on stable magnesium complexes of the phenoxyl radicals derived from a vitamin E model and its deuterated derivatives
Nakanishi, I, S Matsumoto, K Ohkubo, K Fukuhara, H Okuda, K Inami, M Mochizuki, T Ozawa, S Itoh, S Fukuzumi, N Ikota
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN Vol. 77 No. 9 p. 1741-1744 2004年9月 研究論文(学術雑誌)
Effects of Metal Ions on the Stability of Oxygen and Nitrogen Radicals.
Nakanishi I, Kawashima T, Kanazawa K, Ohkubo K, Fukuhara K, Ozawa T, Fukuzumi S, Ikota N
J. Pharm. Soc. Jpn. Vol. 124 (Suppl. 1) 2004年6月 研究論文(学術雑誌)
出版者・発行元:/日本薬学会Substituent effects on the site of electron transfer during the first reduction for gold(III) porphyrins
ZP Ou, KM Kadish, E Wenbo, JG Shao, PJ Sintic, K Ohkubo, S Fukuzumi, MJ Crossley
INORGANIC CHEMISTRY Vol. 43 No. 6 p. 2078-2086 2004年3月 研究論文(学術雑誌)
Quantitative evaluation of d-πinteraction in copper(I) complexes and control of copper(I)-dioxygen reactivity
土江 松美
Chemistry―A European Journal Vol. 30 p. 387-399 2004年2月
Electron-transfer state of 9-mesityl-10-methylacridinium ion with a much longer lifetime and higher energy than that of the natural photosynthetic reaction center
S Fukuzumi, H Kotani, K Ohkubo, S Ogo, NV Tkachenko, H Lemmetyinen
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 126 No. 6 p. 1600-1601 2004年2月 研究論文(学術雑誌)
Intramolecular hydrogen bonding of oxidation intermediates of bisphenol derivatives in relation to photothermographic activity in silver salt photothermographic systems
H Akahori, K Morita, A Nishijima, T Mitsuhashi, K Ohkubo, S Fukuzumi
AGX2004: INTERNATIONAL SYMPOSIUM ON SILVER HALIDE TECHNOLOGY p. 17-21 2004年 研究論文(国際会議プロシーディングス)
pi-Complex formation in electron-transfer reactions of porphyrins
S Fukuzumi, T Hasobe, K Ohkubo, MJ Crossley, PV Kamat, H Imahori
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES Vol. 8 No. 1-3 p. 191-200 2004年 研究論文(学術雑誌)
Spectroelectrochemical and ESR studies of highly substituted copper corroles
ZP Ou, JG Shao, H Zhao, K Ohkubo, IH Wasbotten, S Fukuzumi, A Ghosh, KM Kadish
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES Vol. 8 No. 10 p. 1236-1247 2004年 研究論文(学術雑誌)
Solvent effect on the mechanism of radical-scavenging reactions of a vitamin E analogue
Nakanishi, I, T Kawashinia, K Ohkubo, H Kanazawa, H Okuda, T Ozawa, S Fukuzumi, K Fukuhara, N Ikota
FREE RADICAL BIOLOGY AND MEDICINE Vol. 37 p. S39-S40 2004年
Quantitative evaluation of d-pi interaction in copper(I) complexes and control of copper(I)-dioxygen reactivity
T Osako, Y Tachi, M Doe, M Shiro, K Ohkubo, S Fukuzumi, S Itoh
CHEMISTRY-A EUROPEAN JOURNAL Vol. 10 No. 1 p. 237-246 2004年1月 研究論文(学術雑誌)
Production of an ultra-long-lived charge-separated state in a zinc chlorin-C-60 dyad by one-step photoinduced electron transfer
K Ohkubo, H Kotani, JG Shao, ZP Ou, KM Kadish, GL Li, RK Pandey, M Fujitsuka, O Ito, H Imahori, S Fukuzumi
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Vol. 43 No. 7 p. 853-856 2004年 研究論文(学術雑誌)
ESR study on stable magnesium complexes of the phenoxyl radicals derived from a vitamin E model and its deuterated derivatives
Nakanishi, I, S Matsumoto, K Ohkubo, K Fukuhara, H Okuda, K Inami, M Mochizuki, S Itoh, S Fukuzumi, N Ikota, T Ozawa
FREE RADICAL BIOLOGY AND MEDICINE Vol. 37 p. S40-S40 2004年
A planar catechin analogue having a more negative oxidation potential than (+)-catechin as an electron transfer antioxidant against a peroxyl radical.
Ikuo Nakanishi, Kei Ohkubo, Kentaro Miyazaki, Wataru Hakamata, Shiro Urano, Toshihiko Ozawa, Haruhiro Okuda, Shunichi Fukuzumi, Nobuo Ikota, Kiyoshi Fukuhara
Chemical research in toxicology Vol. 17 No. 1 p. 26-31 2004年1月 研究論文(学術雑誌)
Metal-centered photoinduced electron transfer reduction of a gold(III) porphyrin cation linked with a zinc porphyrin to produce a long-lived charge-separated state in nonpolar solvents
S Fukuzumi, K Ohkubo, WB E, ZP Ou, JG Shao, KM Kadish, JA Hutchison, KP Ghiggino, PJ Sintic, MJ Crossley
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 125 No. 49 p. 14984-14985 2003年12月 研究論文(学術雑誌)
Fluorinated photosensitizers: synthesis, photophysical, electrochemical, intracellular localization, in vitro photosensitizing efficacy and determination of tumor-uptake by F-19 in vivo NMR spectroscopy
SK Pandey, AL Gryshuk, A Graham, K Ohkubo, S Fukuzumi, MP Dobhal, G Zheng, ZP Ou, RQ Zhan, KM Kadish, A Oseroff, S Ramaprasad, RK Pandey
TETRAHEDRON Vol. 59 No. 50 p. 10059-10073 2003年12月 研究論文(学術雑誌)
Driving force dependence of photoinduced electron transfer dynamics of intercalated molecules in DNA
S Fukuzumi, M Nishimine, K Ohkubo, NV Tkachenko, H Lemmetyinen
JOURNAL OF PHYSICAL CHEMISTRY B Vol. 107 No. 45 p. 12511-12518 2003年11月 研究論文(学術雑誌)
Ultrafast photodynamics of exciplex formation and photoinduced electron transfer in porphyrin-fullerene dyads linked at close proximity
NV Tkachenko, H Lemmetyinen, J Sonoda, K Ohkubo, T Sato, H Imahori, S Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 107 No. 42 p. 8834-8844 2003年10月 研究論文(学術雑誌)
Selective oxygenation of ring-substituted toluenes with electron-donating and-withdrawing substituents by molecular oxygen via photoinduced electron transfer
K Ohkubo, K Suga, K Morikawa, S Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 125 No. 42 p. 12850-12859 2003年10月 研究論文(学術雑誌)
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出版者・発行元:天然有機化合物討論会Role of electron-transfer processes in reactions of diarylcarbenium ions and related quinone methides with nucleophiles
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JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 125 No. 36 p. 10906-10912 2003年9月 研究論文(学術雑誌)
Oxidation mechanism of phenols by dicopper-dioxygen (Cu-2/O-2) complexes
T Osako, K Ohkubo, M Taki, Y Tachi, S Fukuzumi, S Itoh
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 125 No. 36 p. 11027-11033 2003年9月 研究論文(学術雑誌)
Rational design principle for modulating fluorescence properties of fluorescein-based probes by photoinduced electron transfer
T Miura, Y Urano, K Tanaka, T Nagano, K Ohkubo, S Fukuzumi
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 125 No. 28 p. 8666-8671 2003年7月 研究論文(学術雑誌)
Oxidation mechanism of phenols by dicopper-dioxygen (Cu-2/O-2) complexe mu
T Osako, K Ohkubo, M Taki, Y Tachi, S Fukuzumi, S Itoh
JOURNAL OF INORGANIC BIOCHEMISTRY Vol. 96 No. 1 p. 207-207 2003年7月
Long-lived charge-separated state produced by photoinduced electron transfer in a zinc imidazoporphyrin-C-60 dyad
Y Kashiwagi, K Ohkubo, JA McDonald, IM Blake, MJ Crossley, Y Araki, O Ito, H Imahori, S Fukuzumi
ORGANIC LETTERS Vol. 5 No. 15 p. 2719-2721 2003年7月 研究論文(学術雑誌)
Diels-Alder reactions of anthracenes with dienophiles via photoinduced electron transfer
S Fukuzumi, T Okamoto, K Ohkubo
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 107 No. 28 p. 5412-5418 2003年7月 研究論文(学術雑誌)
Quantitative evaluation of Lewis acidity of metal ions with different ligands and counterions in relation to the promoting effects of Lewis acids on electron transfer reduction of oxygen
K Ohkubo, SC Menon, A Orita, J Otera, S Fukuzumi
JOURNAL OF ORGANIC CHEMISTRY Vol. 68 No. 12 p. 4720-4726 2003年6月 研究論文(学術雑誌)
Oxygenation of alpha-methylstyrene with molecular oxygen, catalyzed by 10-methylacridinium ion via photoinduced electron transfer
K Suga, K Ohkubo, S Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 107 No. 22 p. 4339-4346 2003年6月 研究論文(学術雑誌)
Efficient radical scavenging ability of artepillin C, a major component of Brazilian propolis, and the mechanism.
Ikuo Nakanishi, Yoshihiro Uto, Kei Ohkubo, Kentaro Miyazaki, Haruko Yakumaru, Shiro Urano, Haruhiro Okuda, Jun-Ichi Ueda, Toshihiko Ozawa, Kiyoshi Fukuhara, Shunichi Fukuzumi, Hideko Nagasawa, Hitoshi Hori, Nobuo Ikota
Organic & biomolecular chemistry Vol. 1 No. 9 p. 1452-4 2003年5月7日 研究論文(学術雑誌)
Driving force dependence of intermolecular electron-transfer reactions of fullerenes
S Fukuzumi, K Ohkubo, H Imahori, DM Guldi
CHEMISTRY-A EUROPEAN JOURNAL Vol. 9 No. 7 p. 1585-1593 2003年4月
Enhancement of light harvesting and photocurrent generation by ITO electrodes modified with meso,meso-linked porphyrin oligomers
T Hasobe, H Imahori, H Yamada, T Sato, K Ohkubo, S Fukuzumi
NANO LETTERS Vol. 3 No. 3 p. 409-412 2003年3月 研究論文(学術雑誌)
Electron transfer properties of bisphenol derivatives in relation to their developing properties in silver salt photothermographic systems
H Akahori, K Morita, A Nishijima, T Mitsuhashi, K Ohkubo, S Fukuzumi
JOURNAL OF IMAGING SCIENCE AND TECHNOLOGY Vol. 47 No. 2 p. 124-132 2003年3月 研究論文(学術雑誌)
Electron transfer reduction of fluorofullerenes, C60F18 and C-3 C60F36
K Ohkubo, R Taylor, OV Boltalina, S Fukuzumi
FULLERENES AND NANOTUBES: THE BUILDING BLOCKS OF NEXT GENERATION NANODEVICES Vol. 2003 No. 15 p. 20-30 2003年 研究論文(国際会議プロシーディングス)
Structure and photoelectrochemical properties of ITO electrodes modified with self-assembled monolayers of meso, meso-linked porphyrin oligomers
T Hasobe, H Imahori, K Ohkubo, H Yamada, T Sato, Y Nishimura, Yamazaki, I, S Fukuzumi
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES Vol. 7 No. 4-5 p. 296-312 2003年 研究論文(学術雑誌)
Reversed effects of DNA on hydride transfer and electron transfer reactions of acridinium and quinolinium ions
M Nishimine, K Ohkubo, T Komori, S Fukuzumi
CHEMICAL COMMUNICATIONS No. 15 p. 1886-1887 2003年 研究論文(学術雑誌)
Remarkable effects of counter ions on scandium ion-promoted electron transfer reactions
J Yuasa, T Suenobu, K Ohkubo, S Fukuzumi
CHEMICAL COMMUNICATIONS No. 9 p. 1070-1071 2003年 研究論文(学術雑誌)
Oxidation potentials of antioxidative flavonoids and the radical-scavenging abilities
Nakanishi, I, K Miyazaki, K Ohkubo, S Urano, J Ueda, W Hakamata, H Okuda, T Ozawa, S Fukuzumi, K Fukuhara, N Ikota
FREE RADICAL BIOLOGY AND MEDICINE Vol. 35 p. S43-S43 2003年
Fast self-exchange electron transfer and delocalization of unpaired electron between zinc porphyrin radical cations and zinc porphyrins
S Fukuzumi, T Hasobe, Y Endo, K Ohkubo, H Imahori
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES Vol. 7 No. 4-5 p. 328-336 2003年 研究論文(学術雑誌)
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T Kojima, T Sakamoto, Y Matsuda, K Ohkubo, S Fukuzumi
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION Vol. 42 No. 40 p. 4951-4954 2003年 研究論文(学術雑誌)
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Kiyoshi Fukuhara, Ikuo Nakanishi, Tomokazu Shimada, Kei Ohkubo, Kentaro Miyazaki, Wataru Hakamata, Shiro Urano, Toshihiko Ozawa, Haruhiro Okuda, Naoki Miyata, Nobuo Ikota, Shunichi Fukuzumi
Chemical research in toxicology Vol. 16 No. 1 p. 81-6 2003年1月 研究論文(学術雑誌)
Small reorganization energy of intramolecular electron transfer in fullerene-based dyads with short linkage
K Ohkubo, H Imahori, JG Shao, ZP Ou, KM Kadish, YH Chen, G Zheng, RK Pandey, M Fujitsuka, O Ito, S Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 106 No. 46 p. 10991-10998 2002年11月 研究論文(学術雑誌)
Metal ion-catalyzed Diels-Alder and hydride transfer reactions. Catalysis of metal ions in the electron-transfer step
S Fukuzumi, K Ohkubo, T Okamoto
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 124 No. 47 p. 14147-14155 2002年11月 研究論文(学術雑誌)
Effects of metal ions distinguishing between one-step hydrogen- and electron-transfer mechanisms for the radical-scavenging reaction of (+)-catechin
Nakanishi, I, K Miyazaki, T Shimada, K Ohkubo, S Urano, N Ikota, T Ozawa, S Fukuzumi, K Fukuhara
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 106 No. 46 p. 11123-11126 2002年11月 研究論文(学術雑誌)
A key role for old yellow enzyme in the metabolism of drugs by Trypanosoma cruzi
BK Kubata, Z Kabututu, T Nozaki, CJ Munday, S Fukuzumi, K Ohkubo, M Lazarus, T Maruyama, SK Martin, M Duszenko, Y Urade
JOURNAL OF EXPERIMENTAL MEDICINE Vol. 196 No. 9 p. 1241-1251 2002年11月 研究論文(学術雑誌)
Fluorescence maxima of 10-methylacridone - Metal ion salt complexes: A convenient and quantitative measure of Lewis acidity of metal ion salts
S Fukuzumi, K Ohkubo
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 124 No. 35 p. 10270-10271 2002年9月 研究論文(学術雑誌)
Photophysical and electrochemical properties of new bacteriochlorins and characterization of radical cation and radical anion species
S Fukuzumi, K Ohkubo, YH Chen, RK Pandey, RQ Zhan, JG Shao, KM Kadish
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 106 No. 20 p. 5105-5113 2002年5月 研究論文(学術雑誌)
Formation of superoxide-metal ion complexes and the electron transfer catalysis
S Fukuzumi, H Ohtsu, K Ohkubo, S Itoh, H Imahori
COORDINATION CHEMISTRY REVIEWS Vol. 226 No. 1-2 p. 71-80 2002年3月 研究論文(学術雑誌)
DNA cleavage via superoxide anion formed in photoinduced electron transfer from NADH to gamma-cyclodextrin-bicapped C-60 in an oxygen-saturated aqueous solution
Nakanishi, I, S Fukuzumi, T Konishi, K Ohkubo, M Fujitsuka, O Ito, N Miyata
JOURNAL OF PHYSICAL CHEMISTRY B Vol. 106 No. 9 p. 2372-2380 2002年3月 研究論文(学術雑誌)
Evidence that gold(III) porphyrins are not electrochemically inert: facile generation of gold(II) 5,10,15,20-tetrakis(3,5-di-tert-butylphenyl)porphyrin
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CHEMICAL COMMUNICATIONS No. 4 p. 356-357 2002年 研究論文(学術雑誌)
Electron-transfer mechanism in radical-scavenging reactions of flavonoids
Nakanishi, I, K Miyazaki, T Shimada, K Ohkubo, W Hakamata, S Urano, H Okuda, S Fukuzumi, K Fukuhara, N Ikota, T Ozawa
FREE RADICAL BIOLOGY AND MEDICINE Vol. 33 p. S308-S309 2002年
Electron transfer reduction of a highly electron-deficient fullerene, C60F18
K Ohkubo, R Taylor, OV Boltalina, S Ogo, S Fukuzumi
CHEMICAL COMMUNICATIONS No. 17 p. 1952-1953 2002年 研究論文(学術雑誌)
Effects of magnesium ion on kinetic stability and spin distribution of phenoxyl radical derived from a vitamin E analogue: mechanistic insight into antioxidative hydrogen-transfer reaction of vitamin E
Nakanishi, I, K Fukuhara, T Shimada, K Ohkubo, Y Iizuka, K Inami, M Mochizuki, S Urano, S Itoh, N Miyata, S Fukuzumi
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 No. 9 p. 1520-1524 2002年 研究論文(学術雑誌)
Direct detection of superoxide anion generated in C-60-photosensitized oxidation of NADH and an analogue by molecular oxygen
Nakanishi, I, K Ohkubo, S Fujita, S Fukuzumi, T Konishi, M Fujitsuka, O Ito, N Miyata
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 No. 11 p. 1829-1833 2002年 研究論文(学術雑誌)
Superoxide anion generation via electron-transfer oxidation of catechin dianion by molecular oxygen in an aprotic medium
Nakanishi, I, K Fukuhara, K Ohkubo, T Shimada, H Kansui, M Kurihara, S Urano, S Fukuzumi, N Miyata
CHEMISTRY LETTERS No. 11 p. 1152-1153 2001年11月 研究論文(学術雑誌)
Efficient catalysis of rare-earth metal ions in photoinduced electron-transfer oxidation of benzyl alcohols by a flavin analogue
S Fukuzumi, K Yasui, T Suenobu, K Ohkubo, M Fujitsuka, O Ito
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 105 No. 46 p. 10501-10510 2001年11月
Quantitative evaluation of Lewis acidity of organotin compounds and the catalytic reactivity in electron transfer
K Ohkubo, T Suenobu, H Imahori, A Orita, J Otera, S Fukuzumi
CHEMISTRY LETTERS No. 10 p. 978-979 2001年10月 研究論文(学術雑誌)
Photochemical and electrochemical properties of zinc Chlorin-C-60 dyad as compared to corresponding free-base chlorin-C-60, free-base Porphyrin-C-60, and zinc porphyrin-C-60 dyads
S Fukuzumi, K Ohkubo, H Imahori, JG Shao, ZP Ou, G Zheng, YH Chen, RK Pandey, M Fujitsuka, O Ito, KM Kadish
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 123 No. 43 p. 10676-10683 2001年10月 研究論文(学術雑誌)
Photoalkylation of 10-alkylacridinium ion via a charge-shift type of photoinduced electron transfer controlled by solvent polarity
S Fukuzumi, K Ohkubo, T Suenobu, K Kato, M Fujitsuka, O Ito
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 123 No. 35 p. 8459-8467 2001年9月 研究論文(学術雑誌)
Regioreversed thermal and photochemical education of 10-methylacridinium and 1-methylquinolinium ions by organosilanes and oraganostannanes
S Fukuzumi, M Fujita, S Noura, K Ohkubo, T Suenobu, Y Araki, O Ito
JOURNAL OF PHYSICAL CHEMISTRY A Vol. 105 No. 10 p. 1857-1868 2001年3月 研究論文(学術雑誌)
Photochemical generation of cyclopentadienyliron dicarbonyl anion by a nicotinamide adenine dinucleotide dimer analogue
S Fukuzumi, K Ohkubo, M Fujitsuka, O Ito, MC Teichmann, E Maisonhaute, C Amatore
INORGANIC CHEMISTRY Vol. 40 No. 6 p. 1213-1219 2001年3月 研究論文(学術雑誌)
Comparison between electron transfer and nucleophilic reactivities of ketene silyl acetals with cationic electrophiles
S Fukuzumi, K Ohkubo, J Otera
JOURNAL OF ORGANIC CHEMISTRY Vol. 66 No. 4 p. 1450-1454 2001年2月 研究論文(学術雑誌)
Photochemical and electrochemical properties of zinc Chlorin-C-60 dyad as compared to corresponding Porphyrin-C-60 dyads
S Fukuzumi, K Ohkubo, H Imahori, JG Shao, ZP Ou, G Zheng, YH Chen, RK Pandey, M Fujitsuka, O Ito, KM Kadish
FULLERENES FOR THE NEW MILLENNIUM Vol. 2000 No. 11 p. 60-71 2001年 研究論文(国際会議プロシーディングス)
DNA cleavage via electron transfer from NADH to molecular oxygen photosensitized by gamma-cyclodextrin-bicapped C-60
Nakanishi, I, S Fukuzumi, T Konishi, K Ohkubo, M Fujitsuka, O Ito, N Miyata
FULLERENES FOR THE NEW MILLENNIUM Vol. 2000 No. 11 p. 138-151 2001年 研究論文(国際会議プロシーディングス)
Quantitative evaluation of Lewis acidity of metal ions derived from the g values of ESR spectra of superoxide: Metal ion complexes in relation to the promoting effects in electron transfer reactions
S Fukuzumi, K Ohkubo
CHEMISTRY-A EUROPEAN JOURNAL Vol. 6 No. 24 p. 4532-4535 2000年12月 研究論文(学術雑誌)
CO sensing and regulation of gene expression by the transcriptional activator CooA
S Aono, Y Honma, K Ohkubo, T Tawara, T Kamiya, H Nakajima
JOURNAL OF INORGANIC BIOCHEMISTRY Vol. 82 No. 1-4 p. 51-56 2000年11月
100% selective oxygenation of p-xylene to p-tolualdehyde via photoinduced electron transfer
K Ohkubo, S Fukuzumi
ORGANIC LETTERS Vol. 2 No. 23 p. 3647-3650 2000年11月 研究論文(学術雑誌)
Electron Transfer Disproportionation of C60 Radical Anion Catalyzed by Metal Ions
Shunichi Fukuzumi, Kei Ohkubo, Tomoyoshi Suenobu, Osamu Ito, Mamoru Fujitsuka, Jianguo Shao, Karl M. Kadish
Fullerenes; Recent Advances in the Chemistry and Physics of Fullerenes and Related Materials, Electrochemical Society Proceedings 2000年9月 研究論文(国際会議プロシーディングス)
Hydride transfer from 9-substituted 10-methyl-9,10-dihydroacridines to hydride accepters via charge-transfer complexes and sequential electron-proton-electron transfer. A negative temperature dependence of the rates
S Fukuzumi, K Ohkubo, Y Tokuda, T Suenobu
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY Vol. 122 No. 18 p. 4286-4294 2000年5月 研究論文(学術雑誌)
Photoalkylation of C-60 by alkylcobalt(III) complexes
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INORGANIC REACTION MECHANISMS Vol. 2 No. 1-2 p. 147-153 2000年 研究論文(学術雑誌)
A novel versatility of catalase I as a dioxygenase for indole-ring-opening dioxygenation
T Sagawa, T Yomo, S Tsugawa, Y Takeda, H Ihara, EK Mitamura, Urabe, I, K Ohkubo
CHEMISTRY LETTERS No. 4 p. 339-340 1999年4月 研究論文(学術雑誌)
Redox-controlled ligand exchange of the heme in the CO-sensing transcriptional activator CooA
S Aono, K Ohkubo, T Matsuo, H Nakajima
JOURNAL OF BIOLOGICAL CHEMISTRY Vol. 273 No. 40 p. 25757-25764 1998年10月 研究論文(学術雑誌)
Heme environmental structure of CooA is modulated by the target DNA binding
T Uchida, H Ishikawa, S Takahashi, K Ishimori, Morishima, I, K Ohkubo, H Nakajima, S Aono
JOURNAL OF BIOLOGICAL CHEMISTRY Vol. 273 No. 32 p. 19988-19992 1998年8月 研究論文(学術雑誌)
Single transduction in the transcriptional activator CooA containing a heme-based CO sensor: Isolation of a dominant positive mutant which is active as the transcriptional activator even in the absence of CO
S Aono, T Matsuo, T Shimono, K Ohkubo, H Takasaki, H Nakajima
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS Vol. 240 No. 3 p. 783-786 1997年11月 研究論文(学術雑誌)
METALLOPORPHYRIN-CATALYZED HYDROGENATION OF ALPHA,BETA-UNSATURATED ESTERS
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JOURNAL OF MOLECULAR CATALYSIS Vol. 75 No. 2 p. L33-L37 1992年9月 研究論文(学術雑誌)
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FREE RADICAL BIOLOGY AND MEDICINE Vol. 145 p. S34-S34 2019年12月 研究発表ペーパー・要旨(国際会議)
Reaction of glutathione and bio-related thiols with 2,2-Diphenyl-1-picrylhydrazyl radical solubilized by beta-cyclodextrin in water
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FREE RADICAL BIOLOGY AND MEDICINE Vol. 120 p. S94-S94 2018年5月 研究発表ペーパー・要旨(国際会議)
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日本酸化ストレス学会学術集会プログラム・抄録集 Vol. 68th 2015年5月29日
Efficient singlet oxygen generation from sugar pendant C-60 derivatives for photodynamic therapy (vol 51, pg 16605, 2015)
Shigenobu Yano, Masami Naemura, Akio Toshimitsu, Motofusa Akiyama, Atsushi Ikeda, Jun-ichi Kikuchi, Xiande Shen, Qian Duan, Atsushi Narumi, Masahiro Inoue, Kei Ohkubo, Shunichi Fukuzumi
CHEMICAL COMMUNICATIONS Vol. 51 No. 99 p. 17631-17632 2015年 その他
リチウムイオン内包PCBMフラーレンとアニオン性ポルフィリンの超分子における長寿命光誘起電荷分離状態生成
川島雄樹, 大久保敬, 岡田洋史, 松尾豊, 福住俊一
日本化学会講演予稿集 Vol. 94th No. 2 2014年3月12日
η5-Cyclopentadienyliron(II)-[14]Triphyrin(2.1.1) Sandwich Compounds: Synthesis, Characterization, and Stable Redox Interconversion
Xue Zhaoli, Kuzuhara Daiki, Ikeda Shinya, Sakakibara Yuka, Ohkubo Kei, Aratani Naoki, Okujima Tetsuo, Uno Hidemitsu, Fukuzumi Shunichi, Yamada Hiroko
2013年5月29日
出版者・発行元:WILEY-VCH Verlagジスルフィド存在下カーボンナノチューブの選択的光酸化反応
前田優, 天谷優里, 山田道夫, 長谷川正, 赤阪健, 大久保敬, 福住俊一
有機典型元素化学討論会講演要旨集 Vol. 40th 2013年
緑茶カテキン類による活性酸素種モデルの消去反応における溶媒効果
川島知憲, 中西郁夫, 中西郁夫, 今井耕平, 今井耕平, 今井耕平, 大久保敬, 大久保敬, 大久保敬, 福原潔, 福住俊一, 福住俊一, 松本謙一郎
日本化学会講演予稿集 Vol. 92nd No. 4 2012年3月9日
"ON-OFF'' switching of europiumcomplex luminescence coupled with a ligand redox process (vol 48, pg 4082, 2012)
Masafumi Yano, Keisuke Matsuhira, Masakazu Tatsumi, Yukiyasu Kashiwagi, Masami Nakamoto, Munetaka Oyama, Kei Ohkubo, Shunichi Fukuzumi, Hitomi Misaki, Hiroshi Tsukube
CHEMICAL COMMUNICATIONS Vol. 48 No. 100 p. 12260-12260 2012年 その他
緑茶カテキン類による活性酸素種モデル消去の反応ダイナミクスにおける溶媒効果
川島知憲, 中西郁夫, 中西郁夫, 今井耕平, 今井耕平, 今井耕平, 大久保敬, 大久保敬, 福原潔, 福住俊一, 松本謙一郎
酸化反応討論会講演要旨集 Vol. 44th p. 211-213 2011年11月4日
放射線防護剤を指向した新規フェノール性抗酸化物質の開発
中西郁夫, 今井耕平, 大久保敬, 川島知憲, 中村朝夫, 松本謙一郎, 宮田直樹, 小澤俊彦, 福住俊一, 福原潔
日本化学会バイオテクノロジー部会シンポジウム講演要旨集 Vol. 14th 2011年9月12日
ドナー・アクセプター連結分子Acr+‐MesのPump‐Probe単結晶X線構造解析
星野学, 植草秀裕, 富田文菜, 腰原伸也, 佐藤篤志, 野澤俊介, 足立伸一, 大久保敬, 小谷弘明, 福住俊一
PFシンポジウム要旨集 Vol. 28th 2011年
共役拡張ポルフィリン‐フラーレン付加体の合成と光ダイナミクス
葛原大軌, 大久保敬, 山田容子, 奥島鉄雄, 宇野英満, 福住俊一
光化学討論会講演要旨集 Vol. 2010 2010年9月8日
分子状酸素を酸化剤として用いた高選択的光触媒酸素化反応
大久保 敬, 福住 俊一
光化学 = Photochemistry Vol. 41 No. 2 p. 73-76 2010年8月25日
出版者・発行元:光化学協会フェナントロリノピロール‐ユウロピウム錯体の合成と物性
奥島鉄雄, 三藤彰洋, 大久保敬, 田中章仁, 山田容子, 宇野英満, 福住俊一
配位化合物の光化学討論会講演要旨集 Vol. 22nd p. 85-86 2010年8月3日
Intramolecular base-catalysis in the radical-scavenging reaction by vitamin E derivatives bearing a pyridine moiety
Ikuo Nakanishi, Haruko Yakumaru, Minako Nyui, Kei Ohkubo, Ken-ichiro Matsumoto, Kiyoshi Fukuhara, Haruhiro Okuda, Shunichi Fukuzumi, Toshihiko Ozawa, Kazunori Anzai, Nobuo Ikota
FASEB JOURNAL Vol. 24 2010年4月 研究発表ペーパー・要旨(国際会議)
Pump‐Probe単結晶X線構造解析による9‐メシチル‐10‐メチルアクリジニウムカチオンの光励起電子移動状態の直接観察
星野学, 佐藤篤志, 富田文菜, 野澤俊介, 大久保敬, 小谷弘明, 福住俊一, 植草秀裕, 足立伸一, 腰原伸也
日本化学会講演予稿集 Vol. 90th No. 3 2010年3月12日
フラーレン類を包接した環状ポルフィリン二量体の超分子構造とその光・電子物性
信国浩文, 谷文都, 島崎優一, 成田吉徳, 宇野英満, 大久保敬, 中西達昭, 小島隆彦, 福住俊一, 関修平
日本化学会講演予稿集 Vol. 90th No. 4 2010年3月12日
芳香族アミン・クマリン連結分子の長寿命三重項光電荷分離状態の生成と光応答性誘電体への応用
村上元信, 大久保敬, 酒井平祐, 村田英幸, 福住俊一
日本化学会講演予稿集 Vol. 90th No. 2 2010年
フラーレン類を包接した環状ポルフィリン二量体の超分子構造とその光・電子物性
信国浩文, 谷文都, 島崎優一, 成田吉徳, 大久保敬, 中西達昭, 小島隆彦, 福住俊一, 関修平, 宇野英満
基礎有機化学討論会要旨集 Vol. 20th p. 218-219 2009年9月18日
ORGN 325-Photosynthetic reaction center mimicry: Charge stabilization in self-assembled cofacial zinc phthalocyanine dimer - fullerene conjugates
Francis D'Souza, Eranda Maligaspe, Kei Ohkubo, Melvin E. Zandler, Navaneetha K. Subbaiyan, Shunichi Fukuzumi
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY Vol. 237 2009年3月 研究発表ペーパー・要旨(国際会議)
金属内包フラーレンを鍵物質とした超分子系の構築
土屋敬広, 横澤裕也, 青山亮, 溝呂木直美, 赤阪健, 加藤立久, 大久保敬, 福住俊一, 永瀬茂
有機典型元素化学討論会講演要旨集 Vol. 36th 2009年
金属内包フラーレンを鍵物質とした有機ドナー分子との可逆電子移動系の構築
土屋敬広, 佐藤久美子, 佐久間理子, 溝呂木直美, 赤阪健, 加藤立久, 大久保敬, 福住俊一, 永瀬茂
有機典型元素化学討論会講演要旨集 Vol. 36th 2009年
長寿命電荷分離状態を有する芳香族アミン-クマリン連結分子を分散させた誘電体の光応答性
村上元信, 大久保敬, 酒井平祐, 村田英幸, 福住俊一
光化学討論会講演要旨集 Vol. 2009 2009年
P-072 放射線防護剤を指向した分子内に塩基性部位を有する新規ビタミンE誘導体の開発(ポスターセッション)
中西 郁夫, 乳井 美奈子, 薬丸 晴子, 大久保 敬, 川島 知憲, 福原 潔, 奥田 晴宏, 稲見 圭子, 望月 正隆, 福住 俊一, 伊古田 暢夫, 小澤 俊彦, 安西 和紀
日本環境変異原学会大会プログラム・要旨集 No. 37 p. 142-142 2008年
出版者・発行元:日本環境変異原学会Enhanced radical-scavenging activity of naturally-oriented artepillin C derivatives (pg 626, 2008)
Sushma Manda, Ikuo Nakanishi, Kei Ohkubo, Yoshihiro Uto, Tomonori Kawashima, Hitoshi Hori, Kiyoshi Fukuhara, Haruhiro Okuda, Toshihiko Ozawa, Nobuo Ikota, Shunichi Fukuzumi, Kazunori Anzai
CHEMICAL COMMUNICATIONS No. 48 p. 6610-6610 2008年 その他
フラーレンナノ集合体の構造制御と固体型光電変換セルへの応用
羽曾部卓, 小柏陽平, 大久保敬, 福住俊一, 村田英幸
光化学討論会講演要旨集 Vol. 2007 2007年
新規ポルフィリン‐フラーレン化合物の合成と分子内電子移動反応
高橋哲郎, 山田容子, SANDANAYAKA Atula, 伊藤攻, 大久保敬, 福住俊一, 宇野英満, 小野昇
基礎有機化学連合討論会予稿集 Vol. 18th 2006年10月7日
フラーレン/ヘテロ原子に基づくスピンサイト交換系の構築
土屋敬広, 佐藤久美子, 栗原広樹, 若原孝次, 赤阪健, 大久保敬, 福住俊一, 加藤立久, 永瀬茂
有機典型元素化学討論会講演要旨集 Vol. 33rd 2006年
Radical-scavenging activity of nitroxide radical as an electron donor
K. Kawaguchi, I. Nakanishi, K. Ohkubo, T. Kawashima, S. Manda, H. Kanazawa, K. Takeshita, K. Anzai, T. Ozawa, S. Fukuzumi, N. Ikota
FREE RADICAL RESEARCH Vol. 40 p. S165-S165 2006年 研究発表ペーパー・要旨(国際会議)
Charge separation in a nonfluorescent donor - Acceptor dyad derived from boron dipyrromethene dye, leading to photocurrent generation (vol 109, pg 15373, 2005)
S Hattori, K Ohkubo, Y Urano, H Sunahara, T Nagano, Y Wada, NV Tkachenko, H Lemmetyinen, S Fukuzumi
JOURNAL OF PHYSICAL CHEMISTRY B Vol. 109 No. 40 p. 19042-19042 2005年10月 その他
La@C82の電子移動交換反応
大久保敬, 土屋敬広, 若原孝次, 赤阪健, 福住俊一
日本化学会講演予稿集 Vol. 85th No. 2 2005年
La@C82の光電子移動還元反応
大久保敬, 土屋敬広, 若原孝次, 赤阪健, 福住俊一
光化学討論会講演要旨集 Vol. 2005 2005年
金属内包フラーレンに基づく溶液中での電荷移動錯体の形成
佐藤久美子, 土屋敬広, 栗原広樹, 若原孝次, 前田優, 仲程司, 赤阪健, 大久保敬, 福住俊一, 加藤立久, 小林郁, 永瀬茂
ヘテロ原子化学討論会講演要旨集 Vol. 32nd 2005年
金属内包フラーレンと有機ドナー分子との電荷移動型錯体の形成
佐藤久美子, 土屋敬広, 若原孝次, 前田優, 赤阪健, 大久保敬, 福住俊一, 加藤立久, 小林郁, 永瀬茂
構造有機化学討論会講演予稿集 Vol. 35th 2005年
P1-010 フェノール性抗酸化剤のラジカル消去機構(活性酸素種)
福原 潔, 中西 郁夫, 大久保 敬, 飯塚 優子, 稲見 圭子, 望月 正隆, 福住 俊一, 小沢 俊彦, 伊古田 暢夫, 奥田 晴宏
日本環境変異原学会大会プログラム・要旨集 No. 33 p. 131-131 2004年
出版者・発行元:日本環境変異原学会ビスフェノール誘導体の電子移動酸化反応特性に及ぼす分子内水素結合の効果と銀塩光熱写真系における現像特性との関係
赤堀 博美, 森田 聖和, 西島 歩, 三觜 剛, 大久保 敬, 福住 俊一
日本写真学会誌 Vol. 66 No. 5 p. 491-496 2003年10月25日
キノン類の電子移動還元反応における希土類イオンの触媒作用と対アニオン効果
湯浅 順平, 末延 知義, 大久保 敬, 福住 俊一
希土類 = Rare earths Vol. 42 p. 76-77 2003年5月20日
スカンジウムイオンを触媒とするアセナフチレンとp-ベンゾキノン類の光環化付加反応
大久保 敬, 芳賀 尚樹, 末延 知義, 福住 俊一
希土類 = Rare earths Vol. 40 p. 88-89 2002年5月16日
有機スズ化合物およびスカンジウム錯体のルイス酸性度と電子移動触媒作用
大久保敬, MENON S C, 末延知義, 折田明浩, 大寺純蔵, 福住俊一
基礎有機化学連合討論会予稿集 Vol. 16th 2002年
有機スズ化合物のルイス酸性度の定量的評価と電子移動触媒活性
大久保敬, 末延知義, 折田明浩, 大寺純蔵, 福住俊一
日本化学会講演予稿集 Vol. 81st No. 2 2002年
フェノール性抗酸化剤からの活性酸素生成
福原 潔, 中西 郁夫, 宮崎 健太郎, 島田 知一, 袴田 航, 大久保 敬, 浦野 四郎, 福住 俊一, 伊古田 暢夫, 小澤 俊彦, 宮田 直樹, 奥田 晴宏
日本環境変異原学会大会プログラム・要旨集 No. 31 p. 89-89 2002年
出版者・発行元:日本環境変異原学会DNA cleavage via superoxide anion formed in photoinduced electron transfer from NADH to γ-cyclodextrin-bicapped C60 in an oxygen-saturated aqueous solution
NAKANISHI I, FUKUZUMI S, KONISHI T, OHKUBO K, FUJITSUKA M, ITO O, MIYATA N
The Journal of Physical Chemistry B Vol. 106 No. 9 p. 2372-2380 2002年
光電子移動を経由する水溶性C60-シクロデキストリン錯体/NADH系におけるスーパーオキシドの生成機構
中西郁夫, 小西利史, 大久保敬, 藤塚守, 伊藤攻, 福住俊一, 宮田直樹
日本薬学会年会要旨集 Vol. 121st No. 2 2001年
有機スズ化合物のルイス酸性度の定量的評価と電子移動触媒作用
大久保敬, 末延知義, 今堀博, 折田明浩, 大寺純蔵, 福住俊一
日本化学会講演予稿集 Vol. 79th No. 2 2001年