Graphene Field-Effect Transistors with Surface-Charge Modulation for C-Reactive Protein Detection in Artificial Saliva

Shota USHIBA, Tomomi NAKANO, Yuka TOKUDA, Yohei WATANABE, Takao ONO, Shinsuke TANI, Masahiko KIMURA, Kazuhiko MATSUMOTO

Electrochemistry　2024　Research paper (scientific journal)

Biosensing with Surface-Charge-Modulated Graphene Field-Effect Transistors beyond Nonlinear Electrolytic Screening

Shota Ushiba, Tomomi Nakano, Ayumi Shinagawa, Naruto Miyakawa, Tadashi Kato, Katsuyuki Yofu, Takao Ono, Yasushi Kanai, Shinsuke Tani, Masahiko Kimura, Kazuhiko Matsumoto

ACS Omega　2023/12/13　Research paper (scientific journal)

SARS-CoV-2 detection by using graphene FET arrays with a portable microfluidic measurement system

Kaori Yamamoto, Natsuki Sato, Kiyoji Sakano, Yasushi Kanai, Shota Ushiba, Naruto Miyakawa, Shinsuke Tani, Masahiko Kimura, Yohei Watanabe, Hidekazu TANAKA, Kazuhiko Matsumoto

Japanese Journal of Applied Physics　2023/11/13　Research paper (scientific journal)

Elastomer-coated graphene biosensor and its response to enzymatic reactions

Takao Ono, Miho Kannaka, Yasushi Kanai, Naruto Miyakawa, Ayumi Shinagawa, Shin-ichi Nakakita, Yohei Watanabe, Shota Ushiba, Shinsuke Tani, Yasuo Suzuki, Masahiko Kimura, Daichi Chiba, Kazuhiko Matsumoto

Japanese Journal of Applied Physics　Vol. 62　No. 6　p. 067002-067002　2023/06/01　Research paper (scientific journal)

Stimulation of IFN-β responses by aberrant SARS-CoV-2 small viral RNAs acting as RIG-I agonists.

Yasuha Arai, Itaru Yamanaka, Toru Okamoto, Ayana Isobe, Naomi Nakai, Naoko Kamimura, Tatsuya Suzuki, Tomo Daidoji, Takao Ono, Takaaki Nakaya, Kazuhiko Matsumoto, Daisuke Okuzaki, Yohei Watanabe

iScience　Vol. 26　No. 1　p. 105742-105742　2022/12/07　Research paper (scientific journal)

ACE2 N-glycosylation modulates interactions with SARS-CoV-2 spike protein in a site-specific manner

Ayana Isobe, Yasuha Arai, Daisuke Kuroda, Nobuaki Okumura, Takao Ono, Shota Ushiba, Shin-ichi Nakakita, Tomo Daidoji, Yasuo Suzuki, Takaaki Nakaya, Kazuhiko Matsumoto, Yohei Watanabe

Communications Biology　Vol. 5　No. 1　p. 1188-1188　2022/11/05　Research paper (scientific journal)

Robust graphene field-effect transistor biosensors via hydrophobization of SiO₂ substrates

Shota Ushiba, Tomomi Nakano, Naruto Miyakawa, Ayumi Shinagawa, Takao Ono, Yasushi Kanai, Shinsuke Tani, Masahiko Kimura, Kazuhiko Matsumoto

Applied Physics Express　Vol. 15　No. 11　p. 115002-115002　2022/11/01　Research paper (scientific journal)

Ionic strength-sensitive and pH-insensitive interactions between C-reactive protein (CRP) and an anti-CRP antibody

Yuka Oka, Shota Ushiba, Naruto Miyakawa, Madoka Nishio, Takao Ono, Yasushi Kanai, Yohei Watanabe, Shinsuke Tani, Masahiko Kimura, Kazuhiko Matsumoto

Biophysics and Physicobiology　Vol. 19　p. e190003{\_}1-e190003{\_}9　2022　Research paper (scientific journal)

Drift suppression of solution-gated graphene field-effect transistors by cation doping for sensing platforms

Naruto Miyakawa, Ayumi Shinagawa, Yasuko Kajiwara, Shota Ushiba, Takao Ono, Yasushi Kanai, Shinsuke Tani, Masahiko Kimura, Kazuhiko Matsumoto

Sensors　Vol. 21　No. 22　2021/11/02　Research paper (scientific journal)

Double mutations in the H9N2 avian influenza virus PB2 gene act cooperatively to increase viral host adaptation and replication for human infections.

Emad Mohamed Elgendy, Yasuha Arai, Norihito Kawashita, Ayana Isobe, Tomo Daidoji, Madiha Salah Ibrahim, Takao Ono, Tatsuya Takagi, Takaaki Nakaya, Kazuhiko Matsumoto, Yohei Watanabe

The Journal of general virology　Vol. 102　No. 6　2021/06　Research paper (scientific journal)

Electrical Biosensor Using Graphene Field-Effect Transistor and Small Receptor Molecules

Takao Ono, Yasushi Kanai, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

Carbon Related Materials　p. 91-101　2021

PA Mutations Inherited during Viral Evolution Act Cooperatively To Increase Replication of Contemporary H5N1 Influenza Virus with an Expanded Host Range.

Yasuha Arai, Norihito Kawashita, Emad Mohamed Elgendy, Madiha Salah Ibrahim, Tomo Daidoji, Takao Ono, Tatsuya Takagi, Takaaki Nakaya, Kazuhiko Matsumoto, Yohei Watanabe

Journal of virology　Vol. 95　No. 1　2020/09　Research paper (scientific journal)

H9N2 Influenza Virus Infections in Human Cells Require a Balance between Neuraminidase Sialidase Activity and Hemagglutinin Receptor Affinity.

Yasuha Arai, Emad Mohamed Elgendy, Tomo Daidoji, Madiha Salah Ibrahim, Takao Ono, Nongluk Sriwilaijaroen, Yasuo Suzuki, Takaaki Nakaya, Kazuhiko Matsumoto, Yohei Watanabe

Journal of virology　Vol. 94　No. 18　2020/08/31　Research paper (scientific journal)

Biosensing Platforms Based on Graphene Field Effect Transistors

Shota USHIBA, Naruto MIYAKAWA, Tsuyoshi OKINO, Ayumi SHINAGAWA, Yuka OKA, Masahiko KIMURA, Takao ONO, Yasushi KANAI, Koichi INOUE, Kazuhiko MATSUMOTO

Vacuum and Surface Science　Vol. 63　No. 7　p. 358-363　2020/07/10　Research paper (scientific journal)

State-space modeling for dynamic response of graphene FET biosensors

Shota Ushiba, Tsuyoshi Okino, Naruto Miyakawa, Takao Ono, Ayumi Shinagawa, Yasushi Kanai, Koichi Inoue, Kohei Takahashi, Masahiko Kimura, Kazuhiko Matsumoto

Japanese Journal of Applied Physics　Vol. 59　No. SG　2020/04　Research paper (scientific journal)

Lab-on-a-graphene-FET detection of key molecular events underpinning influenza virus infection and effect of antiviral drugs

T. Ono, K. Kamada, R. Hayashi, A. R. Piacenti, C. Gabbutt, N. Sriwilaijaroen, H. Hiramatsu, Y. Kanai, K. Inoue, S. Nakakita, T. Kawahara, Y. Ie, Y. Watanabe, Y. Suzuki, S. Contera, K. Matsumoto

2020/03/20

Photogating for small high-responsivity graphene middle-wavelength infrared photodetectors

Shoichiro Fukushima, Masaaki Shimatani, Satoshi Okuda, Shinpei Ogawa, Yasushi Kanai, Takao Ono, Koichi Inoue, Kazuhiko Matsumoto

Optical Engineering　Vol. 59　No. 03　p. 1-1　2020/03/18　Research paper (scientific journal)

Turbostratic Stacking Effect in Multilayer Graphene on the Electrical Transport Properties

Ryota Negishi, Chaopeng Wei, Yao Yao, Yui Ogawa, Masashi Akabori, Yasushi Kanai, Kazuhiko Matsumoto, Yoshitaka Taniyasu, Yoshihiro Kobayashi

physica status solidi (b)　Vol. 257　No. 2　p. 1900437-1900437　2020/02　Research paper (scientific journal)

Graphene Field Effect Transistor-Based Immunosensor for Ultrasensitive Noncompetitive Detection of Small Antigens

Yasushi Kanai, Yuki Ohmuro-Matsuyama, Masami Tanioku, Shota Ushiba, Takao Ono, Koichi Inoue, Tetsuya Kitaguchi, Masahiko Kimura, Hiroshi Ueda, Kazuhiko Matsumoto

ACS Sensors　Vol. 5　No. 1　p. 24-28　2020/01/24　Research paper (scientific journal)

Room temperature long-wavelength infrared graphene photodetectors using photogating via the pyroelectric effect

Masaaki Shimatani, Shoichiro Fukushima, Satoshi Okuda, Shinpei Ogawa, Yasushi Kanai, Takao Ono, Koichi Inoue, Kazuhiko Matsumoto

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 11407　2020　Research paper (international conference proceedings)

Middle wavelength infrared graphene photodetectors with low dark-current and high responsivity

Shoichiro Fukushima, Masaaki Shimatani, Satoshi Okuda, Shinpei Ogawa, Yasushi Kanai, Takao Ono, Koichi Inoue, Kazuhiko Matsumoto

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 11407　2020　Research paper (international conference proceedings)

PB2 mutations arising during H9N2 influenza evolution in the Middle East confer enhanced replication and growth in mammals

Yasuha Arai, Norihito Kawashita, Madiha Salah, Ibrahim Emad, Mohamed Elgendy Tomo Daidoji, Takao Ono, Tatsuya Takagi, Takaaki Nakaya, Kazuhiko Matsumoto, Yohei Watanabe

PLOS Pathogens　Vol. 15　No. 7　2019/07/02　Research paper (scientific journal)

Effective binding of sugar chains to influenza virus on the surface by bovine serum albumin localization

Kawahara Toshio, Hiramatsu Hiroaki, Ohmi Yuhsuke, Sriwilaijaroen Nongluk, Suzuki Yasuo, Nakakita Shin-ichi, Watanabe Yohei, Ohno Yasuhide, Maehashi Kenzo, Ono Takao, Kanai Yasushi, Matsumoto Kazuhiko

Japanese Journal of Applied Physics　Vol. 58　No. 0　p. SIID03-SIID03　2019/06/20

Electrical Biosensing at Physiological Ionic Strength Using Graphene Field-Effect Transistor in Femtoliter Microdroplet

Takao Ono, Yasushi Kanai, Koichi Inoue, Yohei Watanabe, Shin-ichi Nakakita, Toshio Kawahara, Yasuo Suzuki, Kazuhiko Matsumoto

Nano Letters　Vol. 19　No. 6　p. 4004-4009　2019/06/12　Research paper (scientific journal)

Universal Conductance Fluctuation Due to Development of Weak Localization in Monolayer Graphene

Daiju Terasawa, Akira Fukuda, Akira Fujimoto, Yasuhide Ohno, Yasushi Kanai, Kazuhiko Matsumoto

Physica Status Solidi (B) Basic Research　Vol. 256　No. 6　p. 1-7　2019/06　Research paper (scientific journal)

Low dark current and high-responsivity graphene mid-infrared photodetectors using amplification of injected photo-carriers by photo-gating

Shoichiro Fukushima, Masaaki Shimatani, Satoshi Okuda, Shinpei Ogawa, Yasushi Kanai, Takao Ono, Koichi Inoue, Kazuhiko Matsumoto

Optics Letters　Vol. 44　No. 10　p. 2598-2601　2019/05/15　Research paper (scientific journal)

Genetic Compatibility of Reassortants between Avian H5N1 and H9N2 Influenza Viruses with Higher Pathogenicity in Mammals.

Yasuha Arai, Madiha S Ibrahim, Emad M Elgendy, Tomo Daidoji, Takao Ono, Yasuo Suzuki, Takaaki Nakaya, Kazuhiko Matsumoto, Yohei Watanabe

Journal of virology　Vol. 93　No. 4　2019/02/15　Research paper (scientific journal)

Enhanced photogating via pyroelectric effect induced by insulator layer for high-responsivity long-wavelength infrared graphene-based photodetectors operating at room temperature

Masaaki Shimatani, Shinpei Ogawa, Shoichiro Fukushima, Satoshi Okuda, Yasushi Kanai, Takao Ono, Kazuhiko Matsumoto

Applied Physics Express　Vol. 12　No. 2　p. 025001-025001　2019/01/10　Research paper (scientific journal)

Electrical detection of pathogens beyond the limitation of debye screening using graphene field-effect transistors in microdroplets

Takao Ono, Yasushi Kanai, Koichi Inoue, Yohei Watanabe, Shin-Ichi Nakakita, Toshio Kawahara, Yasuo Suzuki, Kazuhiko Matsumoto

23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2019　p. 126-127　2019　Research paper (international conference proceedings)

High-responsivity graphene infrared photodetectors using photo-gating effect

Shoichiro Fukushima, Masaaki Shimatani, Satoshi Okuda, Shinpei Ogawa, Yasushi Kanai, Takao Ono, Koichi Inoue, Kazuhiko Matsumoto

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 11002　2019　Research paper (international conference proceedings)

Single-electron charge sensing in self-assembled quantum dots

Haruki Kiyama, Alexander Korsch, Naomi Nagai, Yasushi Kanai, Kazuhiko Matsumoto, Kazuhiko Hirakawa, Akira Oiwa

Scientific Reports　Vol. 8　No. 1　2018/12/01　Research paper (scientific journal)

Effects of low temperature buffer on carbon nano wall’s growth

Rupesh Singh, Toshio Kawahara, Yuhsuke Ohmi, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto, Kazumasa Okamoto, Risa Utsunomiya, Masamichi Yoshimura

Materials Today Communications　Vol. 17　p. 94-99　2018/12　Research paper (scientific journal)

High-sensitive and selective detection of human-infectious influenza virus using biomimetic graphene field-effect transistor

T. Ono, T. Kawata, Y. Kanai, Y. Ohno, K. Maehashi, K. Inoue, Y. Watanabe, S. Nakakita, Y. Suzuki, T. Kawahara, K. Matsumoto

Device Research Conference - Conference Digest, DRC　Vol. 2018-June　2018/08/20　Research paper (international conference proceedings)

High responsivity middle-wavelength infrared graphene photodetectors using photo-gating

Shoichiro Fukushima, Masaaki Shimatani, Satoshi Okuda, Shinpei Ogawa, Yasushi Kanai, Takao Ono, Koichi Inoue, Kazuhiko Matsumoto

Applied Physics Letters　Vol. 113　No. 6　2018/08/06　Research paper (scientific journal)

Improved sensitivity of a graphene FET biosensor using porphyrin linkers

Takuya Kawata, Takao Ono, Yasushi Kanai, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

Japanese Journal of Applied Physics　Vol. 57　No. 6　2018/06　Research paper (scientific journal)

Broadband photoresponse of graphene photodetector from visible to long-wavelength infrared wavelengths

Shinpei Ogawa, Masaaki Shimatani, Shoichiro Fukushima, Satoshi Okuda, Yasushi Kanai, Takao Ono, Kazuhiko Matsumoto

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 10624　2018/05/23　Research paper (international conference proceedings)

N-glycan structures of human alveoli provide insight into influenza A virus infection and pathogenesis.

Nongluk Sriwilaijaroen, Shin-Ichi Nakakita, Sachiko Kondo, Hirokazu Yagi, Koichi Kato, Takeomi Murata, Hiroaki Hiramatsu, Toshio Kawahara, Yohei Watanabe, Yasushi Kanai, Takao Ono, Jun Hirabayashi, Kazuhiko Matsumoto, Yasuo Suzuki

The FEBS journal　Vol. 285　No. 9　p. 1611-1634　2018/05

Magnetotransport of Monolayer Graphene with Inert Gas Adsorption in the Quantum Hall Regime

A. Fukuda, D. Terasawa, A. Fujimoto, Y. Kanai, K. Matsumoto

Journal of Physics: Conference Series　Vol. 969　No. 1　2018/04　Research paper (international conference proceedings)

Characterization of H5N1 influenza virus quasispecies with adaptive hemagglutinin mutations from single-virus infections of human airway cells.

Yohei Watanabe, Yasuha Arai, Norihito Kawashita, Madiha S. Ibrahim, Emad M. Elgendy, Tomo Daidoji, Junichi Kajikawa, Hiroaki Hiramatsu, Nongluk Sriwilaijaroen, Takao Ono, Tatsuya Takagi, Kazuo Takahashi, Tatsuo Shioda, Kazuhiko Matsumoto, Yasuo Suzuki, Takaaki Nakaya

Journal of Virology　Vol. 92　No. 11　2018/03　Research paper (scientific journal)

Graphene on metal-insulator-metal-based plasmonic metamaterials at infrared wavelengths

Shinpei Ogawa, Masaaki Shimatani, Shoichiro Fukushima, Satoshi Okuda, Kazuhiko Matsumoto

Optics Express　Vol. 26　No. 5　p. 5665-5674　2018/02/26　Research paper (scientific journal)

Graphene Surface Acoustic Wave Sensor for Simultaneous Detection of Charge and Mass

Satoshi Okuda, Takao Ono, Yasushi Kanai, Takashi Ikuta, Masaaki Shimatani, Shinpei Ogawa, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

ACS Sensors　Vol. 3　No. 1　p. 200-204　2018/01/16　Research paper (scientific journal)

Graphene as an Imaging Platform of Charged Molecules

Shota Ushiba, Takao Ono, Yasushi Kanai, Koichi Inoue, Masahiko Kimura, Kazuhiko Matsumoto

ACS Omega　Vol. 3　No. 3　p. 3137-3142　2018　Research paper (scientific journal)

Development of glutamate biosensor based on the integration of network SWCNT-FET and glutamate-binding protein

Nguyen T. Tung, Trisha D. Farha, Hidekazu Tsutsui, Truong T.N. Lien, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto, Manish Biyani, Phan T. Tue, Yuzuru Takamura

22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018　Vol. 2　p. 795-797　2018　Research paper (international conference proceedings)

Planar Hall effect from the surface of topological insulators

A. A. Taskin, Henry F. Legg, Fan Yang, Satoshi Sasaki, Yasushi Kanai, Kazuhiko Matsumoto, Achim Rosch, Yoichi Ando

Nature Communications　Vol. 8　No. 1　2017/12/01　Research paper (scientific journal)

Peptide aptamer-modified single-walled carbon nanotube-based transistors for high-performance biosensors

Nguyen Thanh Tung, Phan Trong Tue, Truong Thi Ngoc Lien, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto, Koichi Nishigaki, Manish Biyani, Yuzuru Takamura

SCIENTIFIC REPORTS　Vol. 7　2017/12　Research paper (scientific journal)

Temperature dependence of universal conductance fluctuation due to development of weak localization in graphene

D. Terasawa, A. Fukuda, A. Fujimoto, Y. Ohno, K. Matsumoto

SOLID STATE COMMUNICATIONS　Vol. 267　p. 14-17　2017/11　Research paper (scientific journal)

Dynamical thermodiffusion model of graphene synthesis on polymer films by laser irradiation and application to strain sensors

Yasushi Kanai, Yusuke Ishibashi, Takao Ono, Koichi Inoue, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 56　No. 7　2017/07　Research paper (scientific journal)

Room-temperature discrete-charge-fluctuation dynamics of a single molecule adsorbed on a carbon nanotube

Agung Setiadi, Hayato Fujii, Seiya Kasai, Ken-ichi Yamashita, Takuji Ogawa, Takashi Ikuta, Yasushi Kanai, Kazuhiko Matsumoto, Yuji Kuwahara, Megumi Akai-Kasaya

NANOSCALE　Vol. 9　No. 30　p. 10674-10683　2017/06　Research paper (scientific journal)

Effects of the plasma process for self-aligned nano-carbon field-effect transistors

Toshio Kawahara, Singh Kumar Rupesh, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto, Kazumasa Okamoto, Risa Utsunomiya, Teruaki Matsuba

2017 International Conference on Noise and Fluctuations (ICNF)　2017/06　Research paper (international conference proceedings)

Zero-bias conductance anomaly in graphene dots

Yasushi Kanai, Mohamed Almokhtar, Takao Ono, Yasuhide Ohno, Kenzo Maehashi, Kouichi Inoue, Kazuhiko Matsumoto

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 56　No. 6　2017/06　Research paper (scientific journal)

アシル鎖およびヒト型受容体構造を持つ新しいヒトインフルエンザ感染阻害剤(A new influenza inhibitor carrying human-type receptor-mimic lures with acyl hooks)

鈴木 康夫, スリウィライジャロエン・ノングラック, 蟹江 治, 平松 宏明, 河原 敏男, 中北 愼一, 渡邊 洋平, 小野 尭生, 金井 康, 松本 和彦

日本病理学会会誌　Vol. 106　No. 1　p. 313-313　2017/03

ヒト肺胞のシアル酸を含むN型糖鎖は鳥/ブタ/世界流行ヒトインフルエンザウイルスと結合する(Sialyl N-glycans in human alveoli are touchdown points for avian/swine/pandemic viral landing)

スリウィライジャロエン・ノングラック, 中北 愼一, 矢木 宏和, 加藤 晃一, 平松 宏明, 河原 敏男, 渡邊 洋平, 小野 尭生, 松本 和彦, 鈴木 康夫

日本病理学会会誌　Vol. 106　No. 1　p. 313-314　2017/03

Relationship between conductance fluctuation and weak localization in graphene

D. Terasawa, A. Fukuda, A. Fujimoto, Y. Ohno, Y. Kanai, K. Matsumoto

PHYSICAL REVIEW B　Vol. 95　No. 12　2017/03　Research paper (scientific journal)

Glycan-functionalized graphene-FETs toward selective detection of human-infectious avian influenza virus

Takao Ono, Takeshi Oe, Yasushi Kanai, Takashi Ikuta, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Yohei Watanabe, Shin-ichi Nakakita, Yasuo Suzuki, Toshio Kawahara, Kazuhiko Matsumoto

Japanese Journal of Applied Physics　Vol. 56　No. 3　p. 030302-030302　2017/03/01　Research paper (scientific journal)

Effects of plasma process on the noise characteristics for self-aligned nano-carbon FETs

Kawahara Toshio, Singh Rupesh, Ohmi Yuhsuke, Ohno Yasuhide, Maehashi Kenzo, Matsumoto Kazuhiko, Okamoto Kazumasa, Utsunomiya Risa, Matsuba Teruaki

Abstract of annual meeting of the Surface Science of Japan　Vol. 37　2017

Lab on a Graphene: Biosensing Application of Graphene Field-Effect Transistor

ONO Takao, KANAI Yasushi, OKUDA Satoshi, OHNO Yasuhide, MAEHASHI Kenzo, INOUE Koichi, MATSUMOTO Kazuhiko

Hyomen Kagaku　Vol. 38　No. 9　p. 466-472　2017

Effect of insulator layer in graphene plasmonic metamaterials for infrared detection

Shinpei Ogawa, Daisuke Fujisawa, Masaaki Shimatani, Kazuhiko Matsumoto

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 10177　2017　Research paper (international conference proceedings)

Development of Nano-Carbon Biosensors Using Glycan for Host Range Detection of Influenza Virus

Toshio Kawahara, Hiroaki Hiramatsu, Yasuo Suzuki, Shin-ichi Nakakita, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto, Kazumasa Okamoto, Teruaki Matsuba, Risa Utsunomiya

CONDENSED MATTER　Vol. 1　No. 1　p. 1-9　2016/12　Research paper (scientific journal)

Photocurrent enhancement of graphene phototransistors using p-n junction formed by conventional photolithography process

Masaaki Shimatani, Shinpei Ogawa, Daisuke Fujisawa, Satoshi Okuda, Yasushi Kanai, Takao Ono, Kazuhiko Matsumoto

Japanese Journal of Applied Physics　Vol. 55　No. 11　2016/11　Research paper (scientific journal)

Graphene field-effect transistor for biosensor

Kazuhiko Matsumoto, Ryota Hayashi, Yasushi Kanai, Koichi Inoue, Takao Ono

Proceedings of AM-FPD 2016 - 23rd International Workshop on Active-Matrix Flatpanel Displays and Devices: TFT Technologies and FPD Materials　p. 45-46　2016/08/15　Research paper (international conference proceedings)

Detection Kondo effect in graphene quantum dots

Yasushi Kanai, Takashi Ikuta, Takao Ono, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

2016 Compound Semiconductor Week, CSW 2016 - Includes 28th International Conference on Indium Phosphide and Related Materials, IPRM and 43rd International Symposium on Compound Semiconductors, ISCS 2016　2016/08/01　Research paper (international conference proceedings)

Switching of charge-current-induced spin polarization in the topological insulator BiSbTeSe2

Fan Yang, Subhamoy Ghatak, A. A. Taskin, Kouji Segawa, Yuichiro Ando, Masashi Shiraishi, Yasushi Kanai, Kazuhiko Matsumoto, Achim Rosch, Yoichi Ando

PHYSICAL REVIEW B　Vol. 94　No. 7　2016/08　Research paper (scientific journal)

Graphene device array using transfer-free patterned growth on insulator for an electrolyte-gated sensor

Ikuta Takashi, Oe Takeshi, Ohno Yasuhide, Maehashi Kenzo, Inoue Koichi, Matsumoto Kazuhiko

THIN SOLID FILMS　Vol. 612　p. 87-90　2016/08/01

Top-gated graphene field-effect transistors by low-temperature synthesized SiNx insulator on SiC substrates

Yasuhide Ohno, Kanai Yasushi, Mori Yuki, Masao Nagase, Matsumoto Kazuhiko

Japanese Journal of Applied Physics　Vol. Vol.55　No. No.6S1　p. 06GF09-06GF09　2016/05/16　Research paper (scientific journal)

Top-gated graphene field-effect transistors by low-temperature synthesized SiN

Ohno Yasuhide, Kanai Yasushi, Mori Yuki, Nagase Masao, Matsumoto Kazuhiko

Jpn. J. Appl. Phys.　Vol. 55　No. 6　2016/05/16

Giant Dirac point shift of graphene phototransistors by doped silicon substrate current

Masaaki Shimatani, Shinpei Ogawa, Daisuke Fujisawa, Satoshi Okuda, Yasushi Kanai, Takao Ono, Kazuhiko Matsumoto

AIP Advances　Vol. 6　No. 3　p. 035113-035113　2016/03/16　Research paper (scientific journal)

Acoustic carrier transportation induced by surface acoustic waves in graphene in solution

Satoshi Okuda, Takashi Ikuta, Yasushi Kanai, Takao Ono, Shinpei Ogawa, Daisuke Fujisawa, Masaaki Shimatani, Koichi Inoue, Kenzo Maehashi, Kazuhiko Matsumoto

Applied Physics Express　Vol. 9　No. 4　p. 045104-045104　2016/03/11　Research paper (scientific journal)

Magnetic field dependence of the conductance fluctuation in graphene

Terasawa D., Fukuda A., Fujimoto A., Ohno Y., Kanai Y., Matsumoto K.

Meeting Abstracts of the Physical Society of Japan　Vol. 71　p. 1210-1210　2016

An Application of Graphene Field Effect Transistor to Enzymatic Assay

Takao Ono, Yasushi Kanai, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

2016 COMPOUND SEMICONDUCTOR WEEK (CSW) INCLUDES 28TH INTERNATIONAL CONFERENCE ON INDIUM PHOSPHIDE & RELATED MATERIALS (IPRM) & 43RD INTERNATIONAL SYMPOSIUM ON COMPOUND SEMICONDUCTORS (ISCS)　2016　Research paper (international conference proceedings)

Graphene on plasmonic metamaterials for infrared detection

Shinpei Ogawa, Daisuke Fujisawa, Masaaki Shimatani, Kazuhiko Matsumoto

Proceedings of SPIE - The International Society for Optical Engineering　Vol. 9819　2016　Research paper (international conference proceedings)

Plasma process for the improvements of device characteristics for self-aligned nano-carbon FETs

Kawahara Toshio, Rupesh Singh, Ohno Yasuhide, Maehashi Kenzo, Matsumoto Kazuhiko, Okamoto Kazumasa, Utsunomiya Risa, Matsuba Teruaki

Abstract of annual meeting of the Surface Science of Japan　Vol. 36　p. 253-253　2016

Noise Spectroscopy for the Carbon nanowall field effect transistors using low-temperature buffer layers

Kawahara Toshio, Kawagiwa Toshimasa, Nakagawa Yuki, Ohno Yasuhide, Maehashi Kenzo, Matsumoto Kazuhiko, Okamoto Kazumasa, Utsunomiya Risa, Matsuba Teruaki, Yoshimura Masamichi, Matsuoka Yuki

JSAP Annual Meetings Extended Abstracts　Vol. 2015.2　p. 3447-3447　2015/08/31

Direct graphene synthesis on polymer films and its application to flexible devices

Y. Ishibashi, Y. Kanai, Y. Ohno, K. Maehashi, K. Inoue, K. Matsumoto

Device Research Conference - Conference Digest, DRC　Vol. 2015-August　p. 109-110　2015/08/03　Research paper (international conference proceedings)

Carbon nanotube single-electron transistors with single-electron charge storages

Kohei Seike, Yasushi Kanai, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

Japanese Journal of Applied Physics　Vol. 54　No. 6　2015/06/01　Research paper (international conference proceedings)

Graphene-FET-based gas sensor properties depending on substrate surface conditions

Masatoshi Nakamura, Yasushi Kanai, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

Japanese Journal of Applied Physics　Vol. 54　No. 6　2015/06/01　Research paper (international conference proceedings)

Dual-Gated Topological Insulator Thin-Film Device for Efficient Fermi-Level Tuning

Fan Yang, A. A. Taskin, Satoshi Sasaki, Kouji Segawa, Yasuhide Ohno, Kazuhiko Matsumoto, Yoichi Ando

ACS NANO　Vol. 9　No. 4　p. 4050-4055　2015/04　Research paper (scientific journal)

16aAG-7 Temperature dependence of the conductance fluctuation in graphene

Terasawa D., Fukuda A., Fujimoto A., Ohno Y., Matsumoto K.

Meeting Abstracts of the Physical Society of Japan　Vol. 70　p. 1013-1013　2015

22aAM-8 Relationship between the resistance fluctuation and the weak localization effect in graphene

Terasawa D., Fukuda A., Fujimoto A., Ohno Y., Matsumoto K.

Meeting Abstracts of the Physical Society of Japan　Vol. 70　p. 1300-1300　2015

Graphene laser irradiation CVD growth

Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto

Frontiers of Graphene and Carbon Nanotubes: Devices and Applications　p. 21-28　2015/01/01　Part of collection (book)

Graphene direct growth on Si/SiO2 substrates

Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto

Frontiers of Graphene and Carbon Nanotubes: Devices and Applications　p. 30-36　2015/01/01　Part of collection (book)

Aligned single-walled carbon nanotube growth on patterned SiO2/Si substrates

Yasuh Ide Ohno, Takafumi Kamimura, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

Frontiers of Graphene and Carbon Nanotubes: Devices and Applications　p. 131-141　2015/01/01　Part of collection (book)

Graphene biosensor

Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto

Frontiers of Graphene and Carbon Nanotubes: Devices and Applications　p. 91-104　2015/01/01　Part of collection (book)

Carbon nanotube quantum nanomemory

Takafumi Kamimura, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto

Frontiers of Graphene and Carbon Nanotubes: Devices and Applications　p. 201-212　2015/01/01　Part of collection (book)

Stochastic resonance effect on carbon nanotube field-effect transistors

Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto

Frontiers of Graphene and Carbon Nanotubes: Devices and Applications　p. 165-178　2015/01/01　Part of collection (book)

Electrochemical biological sensors based on directly synthesized carbon nanotube electrodes

Kenzo Maehashi, Kazuhiko Matsumoto, Yuzuru Takamura, Eiichi Tamiya

Frontiers of Graphene and Carbon Nanotubes: Devices and Applications　p. 179-186　2015/01/01　Part of collection (book)

Effects of low-temperature buffer layers on Carbon nanowall field effect transistors

Kawahara Toshio, Nakagawa Yuki, Ohno Yasuhide, Maehashi Kenzo, Matsumoto Kazuhiko, Okamoto Kazumasa, Utsunomiya Risa, Matsuba Teruaki, Yoshimura Masamichi, Matsuoka Yuki

JSAP Annual Meetings Extended Abstracts　Vol. 2014.2　p. 3542-3542　2014/09/01

Direct graphene synthesis on a Si/SiO2 substrate by a simple annealing process

Takashi Ikuta, Kenta Gumi, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

MATERIALS RESEARCH EXPRESS　Vol. 1　No. 2　2014/06　Research paper (scientific journal)

Top gating of epitaxial (Bi1-xSbx)(2)Te-3 topological insulator thin films

Fan Yang, A. A. Taskin, Satoshi Sasaki, Kouji Segawa, Yasuhide Ohno, Kazuhiko Matsumoto, Yoichi Ando

APPLIED PHYSICS LETTERS　Vol. 104　No. 16　2014/04　Research paper (scientific journal)

Characterization of reduced graphene oxide field-effect transistor and its application to biosensor

Hasegawa Masaki, Hirayama Yuki, Ohno Yasuhide, Maehashi Kenzo, Matsumoto Kazuhiko

Jpn. J. Appl. Phys.　Vol. 53　No. 5　2014/04/01

Floating-gated memory based on carbon nanotube field-effect transistors with Si floating dots

Seike Kohei, Fujii Yusuke, Ohno Yasuhide, Maehashi Kenzo, Inoue Koichi, Matsumoto Kazuhiko

Jpn. J. Appl. Phys.　Vol. 53　No. 4　2014/03/19

Recent advances in functional graphene biosensors

Kazuhiko Matsumoto, Kenzo Maehashi, Yasuhide Ohno, Koichi Inoue

JOURNAL OF PHYSICS D-APPLIED PHYSICS　Vol. 47　No. 9　2014/03　Research paper (scientific journal)

Enhancement of Electron-Phonon Interaction by Band-Gap Opening in Bilayer Graphene

Yusuke Yamashiro, Koichi Inoue, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　Vol. 83　No. 3　2014/03　Research paper (scientific journal)

Effect of the Inert Gas Adsorption on the Bilayer Graphene to the Localized Electron Magnetotransport

A. Fukuda, D. Terasawa, Y. Ohno, K. Matsumoto

27TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT27), PTS 1-5　Vol. 568　2014　Research paper (international conference proceedings)

Carbon Nanowall Field Effect Transistors Using a Self-Aligned Growth Process

Toshio Kawahara, Satarou Yamaguchi, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto, Kazumasa Okamoto, Risa Utsunomiya, Teruaki Matsuba

e-Journal of Surface Science and Nanotechnology　Vol. 12　p. 225-229　2014　Research paper (scientific journal)

Direct Electrical Detection of DNA Hybridization Based on Electrolyte-Gated Graphene Field-Effect Transistor

Ohno Yasuhide, Okamoto Shogo, Maehashi Kenzo, Matsumoto Kazuhiko

Jpn J Appl Phys　Vol. 52　No. 11　p. 110107-110107-4　2013/11/25

Floating-bridge structure of graphene with ionic-liquid gate

Yusuke Yamashiro, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

Physica Status Solidi (C) Current Topics in Solid State Physics　Vol. 10　No. 11　p. 1604-1607　2013/11　Research paper (scientific journal)

Silicon-Nitride-Passivated Bottom-Up Single-Electron Transistors

Guillaume Hackenberger, Yasuo Azuma, Shinya Kano, Daisuke Tanaka, Masanori Sakamoto, Toshiharu Teranishi, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto, Yutaka Majima

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 52　No. 11　2013/11　Research paper (scientific journal)

Position-controlled direct graphene synthesis on silicon oxide surfaces using laser irradiation

Keisuke Koshida, Kenta Gumi, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

Applied Physics Express　Vol. 6　No. 10　2013/10　Research paper (scientific journal)

Selective ion sensors based on ionophore-modified graphene field-effect transistors

Kenzo Maehashi, Yasuyuki Sofue, Shogo Okamoto, Yasuhide Ohno, Koichi Inoue, Kazuhiko Matsumoto

SENSORS AND ACTUATORS B-CHEMICAL　Vol. 187　p. 45-49　2013/10　Research paper (scientific journal)

Graphene Field-Effect Transistor-Based Biological Sensors

OHNO Yasuhide, MAEHASHI Kenzo, MATSUMOTO Kazuhiko

J. Surf. Sci. Soc. Jpn.　Vol. 34　No. 8　p. 426-431　2013/08/10

PH sensor based on chemical-vapor-deposition-synthesized graphene transistor array

Nursakinah Mohd Zaifuddin, Shogo Okamoto, Takashi Ikuta, Yasuhide Ohno, Kenzo Maehashi, Masato Miyake, Paul Greenwood, Kenneth B.K. Teo, Kazuhiko Matsumoto

Japanese Journal of Applied Physics　Vol. 52　No. 6 PART 2　2013/06　Research paper (international conference proceedings)

pH Sensor Based on Chemical-Vapor-Deposition-Synthesized Graphene Transistor Array

Nursakinah Mohd Zaifuddin, Shogo Okamoto, Takashi Ikuta, Yasuhide Ohno, Kenzo Maehashi, Masato Miyake, Paul Greenwood, Kenneth B. K. Teo, Kazuhiko Matsumoto

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 52　No. 6　2013/06　Research paper (scientific journal)

Gold-linked electrochemical immunoassay on single-walled carbon nanotube for highly sensitive detection of human chorionic gonadotropin hormone

Nguyen Xuan Viet, Miyuki Chikae, Yoshiaki Ukita, Kenzo Maehashi, Kazuhiko Matsumoto, Eiichi Tamiya, Pham Hung Viet, Yuzuru Takamura

BIOSENSORS & BIOELECTRONICS　Vol. 42　p. 592-597　2013/04　Research paper (scientific journal)

Diameter dependence of 1/f noise in carbon nanotube field effect transistors using noise spectroscopy

Toshio Kawahara, Satarou Yamaguchi, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto, Shin Mizutani, Kenji Itaka

Applied Surface Science　Vol. 267　p. 101-105　2013/02　Research paper (scientific journal)

Gate Voltage Dependence of 1/f Noise in Carbon Nanotubes with the Different Metal Contacts

Toshio Kawahara, Satarou Yamaguchi, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto, Kenji Itaka

2013 22ND INTERNATIONAL CONFERENCE ON NOISE AND FLUCTUATIONS (ICNF)　2013　Research paper (international conference proceedings)

Advances in Graphene Device & Bio-Sensor Applications

K. Matsumoto, K. Maehashi, Y. Ohno, K. Inoue

PROCEEDINGS OF 2013 TWENTIETH INTERNATIONAL WORKSHOP ON ACTIVE-MATRIX FLATPANEL DISPLAYS AND DEVICES (AM-FPD 13): TFT TECHNOLOGIES AND FPD MATERIALS　p. 63-66　2013　Research paper (international conference proceedings)

Horizontally Aligned Carbon Nanotubes on a Quartz Substrate for Chemical and Biological Sensing

Satoshi Okuda, Shogo Okamoto, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

JOURNAL OF PHYSICAL CHEMISTRY C　Vol. 116　No. 36　p. 19490-19495　2012/09　Research paper (scientific journal)

カーボンナノウォールの自己配列化成長と電界効果素子の作製

河原 敏男, 山口 作太郎, 大野 泰秀, 前橋 謙三, 松本 和彦, 岡本 一将, 宇都宮 里佐, 松葉 晃明

応用物理学会学術講演会講演予稿集　Vol. 2012.2　p. 3654-3654　2012/08/27

Carbon Nanotube-Based Floating Gate Memories with High-k Dielectrics

Fujii Yusuke, Ohori Takahiro, Ohno Yasuhide, Maehashi Kenzo, Inoue Koichi, Matsumoto Kazuhiko

Jpn J Appl Phys　Vol. 51　No. 6　p. 06FD11-06FD11-4　2012/06/25

Immunosensors Based on Graphene Field-Effect Transistors Fabricated Using Antigen-Binding Fragment

Shogo Okamoto, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 51　No. 6　2012/06　Research paper (scientific journal)

Direct Synthesis of Graphene on SiO2 Substrates by Transfer-Free Processes

Kenta Gumi, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 51　No. 6　2012/06　Research paper (scientific journal)

Complementary voltage inverters with large noise margin based on carbon nanotube field-effect transistors with SiNx top-gate insulators

Kenzo Maehashi, Takaomi Kishimoto, Yasuhide Ohno, Koichi Inoue, Kazuhiko Matsumoto

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B　Vol. 30　No. 3　2012/05　Research paper (scientific journal)

Electric-field-induced band gap of bilayer graphene in ionic liquid

Yusuke Yamashiro, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B　Vol. 30　No. 3　2012/05　Research paper (scientific journal)

Fabrication of new single-walled carbon nanotubes microelectrode for electrochemical sensors application

Nguyen Xuan Viet, Yoshiaki Ukita, Miyuki Chikae, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto, Pham Hung Viet, Yuzuru Takamura

TALANTA　Vol. 91　p. 88-94　2012/03　Research paper (scientific journal)

Schottky barrier control gate-type carbon nanotube field-effect transistor biosensors

Masuhiro Abe, Yasuhide Ohno, Kazuhiko Matsumoto

JOURNAL OF APPLIED PHYSICS　Vol. 111　No. 3　2012/02　Research paper (scientific journal)

Carrier Transport Properties of the Field Effect Transistors with Graphene Channel Prepared by Chemical Vapor Deposition

Negishi Ryota, Ohno Yasuhide, Maehashi Kenzo, Matsumoto Kazuhiko, Kobayashi Yoshihiro

Japanese Journal of Applied Physics　Vol. 51　No. 6　p. 06FD03-06FD03-4　2012

Label-Free Aptamer-Based Immunoglobulin Sensors Using Graphene Field-Effect Transistors

Ohno Yasuhide, Maehashi Kenzo, Inoue Koichi, Matsumoto Kazuhiko

Jpn J Appl Phys　Vol. 50　No. 7　p. 70120-070120-4　2011/07/25

Highly Sensitive Electrical Detection of Sodium Ions Based on Graphene Field-Effect Transistors

Sofue Yasuyuki, Ohno Yasuhide, Maehashi Kenzo, Inoue Koichi, Matsumoto Kazuhiko

Jpn J Appl Phys　Vol. 50　No. 6　p. 06GE07-06GE07-4　2011/06/25

Robust Noise Characteristics in Carbon Nanotube Transistors Based on Stochastic Resonance and Their Summing Networks

Hakamata Yasufumi, Ohno Yasuhide, Maehashi Kenzo, Inoue Koichi, Matsumoto Kazuhiko

Jpn J Appl Phys　Vol. 50　No. 6　p. 06GE03-06GE03-5　2011/06/25

Quantized characteristics in carbon nanotube-based single-hole memory with a floating nanodot gate

Takahiro Ohori, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Yutaka Hayashi, Kazuhiko Matsumoto

APPLIED PHYSICS LETTERS　Vol. 98　No. 22　2011/05　Research paper (scientific journal)

External-Noise-Induced Small-Signal Detection with Solution-Gated Carbon Nanotube Transistor

Yasufumi Hakamata, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

APPLIED PHYSICS EXPRESS　Vol. 4　No. 4　2011/04　Research paper (scientific journal)

Graphene field-effect transistors for label-free chemical and biological sensors

Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto

MICRO- AND NANOTECHNOLOGY SENSORS, SYSTEMS, AND APPLICATIONS III　Vol. 8031　2011　Research paper (international conference proceedings)

Gate Voltage Control of Stochastic Resonance in Carbon Nanotube Field Effect Transistors

Toshio Kawahara, Satarou Yamaguchi, Kenzo Maehashi, Yasuhide Ohno, Kazuhiko Matsumoto, Shin Mizutani

2011 21ST INTERNATIONAL CONFERENCE ON NOISE AND FLUCTUATIONS (ICNF)　p. 364-367　2011　Research paper (international conference proceedings)

Thickness Control of Graphene Overlayer via Layer-by-Layer Growth on Graphene Templates by Chemical Vapor Deposition

Negishi, Ryota, Hirano, Hiroki, Ohno, Yasuhide, Haehashi, Kenzo, Matsumoto, Kazuhiko, Kobayashi, Yoshihiro

Japanese Journal of Applied Physics　Vol. 50　No. 6　2011　Research paper (scientific journal)

Layer-by-layer growth of graphene layers on graphene substrates by chemical vapor deposition

Negishi Ryota, Hirano Hiroki, Ohno Yasuhide, Maehashi Kenzo, Matsumoto Kazuhiko, Kobayashi Yoshihiro

Thin Solid Films　Vol. 519　No. 19　p. 6447-6452　2011

Label-Free Biosensors Based on Aptamer-Modified Graphene Field-Effect Transistors

Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY　Vol. 132　No. 51　p. 18012-18013　2010/12　Research paper (scientific journal)

Chemical and biological sensing applications based on graphene field-effect transistors

Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto

BIOSENSORS & BIOELECTRONICS　Vol. 26　No. 4　p. 1727-1730　2010/12　Research paper (scientific journal)

Enhancement of weak-signal response based on stochastic resonance in carbon nanotube field-effect transistors

HAKAMATA YASUFUMI, OHNO YASUHIDE, MAEHASHI KENZO, KASAI SEIYA, INOUE KOICHI, MATSUMOTO KAZUHIKO

J Appl Phys　Vol. 108　No. 10　2010/11/15

Single-Hole Charging and Discharging Phenomena in Carbon Nanotube Field-Effect-Transistor-Based Nonvolatile Memory

Takahiro Ohori, Satoshi Nagaso, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

Jpn J Appl Phys　Vol. 49　No. 6　p. 06GG13-06GG13-4　2010/06/25

Logic Gates Based on Carbon Nanotube Field-Effect Transistors with SiNx Passivation Films

Takaomi Kishimoto, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

Jpn J Appl Phys　Vol. 49　No. 6　p. 06GG02-06GG02-4　2010/06/25

Dependence of sensitivity of biosensor for carbon nanotube field-effect transistor with top-gate structures

Masuhiro Abe, Katsuyuki Murata, Kazuhiko Matsumoto

Journal of Applied Physics　Vol. 107　No. 8　2010/04/15　Research paper (scientific journal)

Improvement in Performance of Carbon Nanotube Field-Effect Transistors on Patterned SiO2/Si Substrates

Kenzo Maehashi, Shin Iwasaki, Yasuhide Ohno, Takaomi Kishimoto, Koichi Inoue, Kazuhiko Matsumoto

JOURNAL OF ELECTRONIC MATERIALS　Vol. 39　No. 4　p. 376-380　2010/04　Research paper (scientific journal)

Electrical Detection of Negatively Charged Proteins Using n-Type Carbon Nanotube Field-Effect Transistor Biosensors

Yasuki Yamamoto, Kenzo Maehashi, Yasuhide Ohno, Kazuhiko Matsumoto

Jpn J Appl Phys　Vol. 49　No. 2　p. 02BD10-02BD10-4　2010/02/25

Robust Noise Modulation of Nonlinearity in Carbon Nanotube Field-Effect Transistors

Toshio Kawahara, Satarou Yamaguchi, Kenzo Maehashi, Yasuhide Ohno, Kazuhiko Matsumoto, Tomoji Kawai

Japanese Journal of Applied Physics　Vol. 49　No. 2　p. 02BD11-02BD11　2010/02/22　Research paper (scientific journal)

Single-electron memory based on floating-gated carbon nanotube field-effect transistors

Takahiro Ohori, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

2010 IEEE Nanotechnology Materials and Devices Conference, NMDC2010　p. 300-303　2010　Research paper (international conference proceedings)

Fabrication of high-performance voltage inverters based on carbon nanotube field-effect transistors

Kenzo Maehashi, Takaomi Kishimoto, Yasuhide Ohno, Koichi Inoue, Kazuhiko Matsumoto

2010 IEEE Nanotechnology Materials and Devices Conference, NMDC2010　p. 343-346　2010　Research paper (international conference proceedings)

Improving faint-signal sensitivity of electrolyte-gated carbon nanotube field-effect transistors using external noise

Yasufumi Hakamata, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

2010 IEEE Nanotechnology Materials and Devices Conference, NMDC2010　p. 10-13　2010　Research paper (international conference proceedings)

Graphene Field-Effect Transistors for Label-Free Biological Sensors

Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto

2010 IEEE SENSORS　p. 903-906　2010　Research paper (international conference proceedings)

Raman Scattering of Single-Walled Carbon Nanotubes in Early Growth Stages Using Laser-Irradiated Chemical Vapor Deposition

Tomoki Tsuji, Koichi Inoue, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 49　No. 6　2010　Research paper (scientific journal)

Aligned Single-Walled Carbon Nanotube Arrays on Patterned SiO2/Si Substrates

Kenzo Maehashi, Shin Iwasaki, Yasuhide Ohno, Takaomi Kishimoto, Koichi Inoue, Kazuhiko Matsumoto

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 49　No. 6　2010　Research paper (scientific journal)

Gate induced crossover between Fabry-Peacuterot and quantum dot behavior in a single walled carbon nanotube hole transistor

T. Kamimura, K. Matsumoto

JOURNAL OF APPLIED PHYSICS　Vol. 106　No. 11　2009/12　Research paper (scientific journal)

Electrolyte-Gated Graphene Field-Effect Transistors for Detecting pH Protein Adsorption

Yasuhide Ohno, Kenzo Maehashi, Yusuke Yamashiro, Kazuhiko Matsumoto

NANO LETTERS　Vol. 9　No. 9　p. 3318-3322　2009/09　Research paper (scientific journal)

Noise Reduction of Carbon Nanotube Field-Effect Transistor Biosensors by Alternating Current Measurement

Yamamoto Yasuki, Ohno Yasuhide, Maehashi Kenzo, Matsumoto Kazuhiko

Jpn J Appl Phys　Vol. 48　No. 6　p. 06FJ01-06FJ01-4　2009/06/25

Microfluidic and Label-Free Multi-immunosensors Based on Carbon Nanotube Microelectrodes

Yuichi Tsujita, Kenzo Maehashi, Kazuhiko Matsumoto, Miyuki Chikae, Yuzuru Takamura, Eiichi Tamiya

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 48　No. 6　2009/06　Research paper (scientific journal)

Aptamer-Based Label-Free Immunosensors Using Carbon Nanotube Field-Effect Transistors

Kenzo Maehashi, Kazuhiko Matsumoto, Yuzuru Takamura, Eiichi Tamiya

ELECTROANALYSIS　Vol. 21　No. 11　p. 1285-1290　2009/06　Research paper (scientific journal)

Carbon Nanotube Fabry–Perot Device for Detection of Multiple Single Charge Transitions

Kamimura Takafumi, Ohono Yasuhide, Matsumoto Kazuhiko

Jpn J Appl Phys　Vol. 48　No. 2　p. 25001-025001-4　2009/02/25

Room-temperature-operating carbon nanotube single-hole transistors with significantly small gate and tunnel capacitances

Yasuhide Ohno, Yoshihiro Asai, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

APPLIED PHYSICS LETTERS　Vol. 94　No. 5　2009/02　Research paper (scientific journal)

Controlling Direction of Growth of Carbon Nanotubes on Patterned SiO2 Substrate

Kamimura Takafumi, MATSUMOTO Kazuhiko

Applied Physics Express　Vol. 2　No. 1　p. 15005-015005-3　2009/01/25

Single-charge sensitivity of single-walled carbon nanotube multifunctional quantum transistor

Takafumi Kamimura, Kazuhiko Matsumoto

Sensors and Materials　Vol. 21　No. 7　p. 403-418　2009　Research paper (scientific journal)

Transition between Particle Nature and Wave Nature in Single-Walled Carbon Nanotube Device

Takafumi Kamimura, Yasuhide Ohno, Kazuhiko Matsumoto

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 48　No. 1　2009/01　Research paper (scientific journal)

Fabrication of Room-Temperature-Operating Carbon Nanotube Single-Charge Transistors

Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

SENSORS AND MATERIALS　Vol. 21　No. 7　p. 393-402　2009　Research paper (scientific journal)

Highly Sensitive Biosensors Based on High-Performance Carbon Nanotube Field-Effect Transistors

Yasuki Yamamoto, Kenzo Maehashi, Yasuhide Ohno, Kazuhiko Matsumoto

SENSORS AND MATERIALS　Vol. 21　No. 7　p. 351-361　2009　Research paper (scientific journal)

Aptamer-Based Label-Free Immunosensors Using Carbon Nanotube Field-Effect Transistors

Kenzo Maehashi, Kazuhiko Matsumoto

2009 IEEE SENSORS, VOLS 1-3　p. 1868-1871　2009　Research paper (international conference proceedings)

Electrochemical Amperometric Biosensors Based on Directly Synthesized Carbon Nanotube Electrodes

Kenzo Maehashi, Kazuhiko Matsumoto

SENSORS AND MATERIALS　Vol. 21　No. 7　p. 363-372　2009　Research paper (scientific journal)

Room-temperature carbon nanotube single-electron transistor with defects introduced by La(NO3)(3) process

Masatoshi Maeda, Shin Iwasaki, Takafumi Kamimura, Katsuyuki Murata, Kazuhiko Matsumoto

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 47　No. 7　p. 5724-5726　2008/07　Research paper (scientific journal)

Electrical characterization of carbon nanotube field-effect transistors with SiNx passivation films deposited by catalytic chemical vapor deposition

Kenzo Maehashi, Yasuhide Ohno, Koichi Inoue, Kazuhiko Matsumoto, Toshikazu Niki, Hideki Matsumura

APPLIED PHYSICS LETTERS　Vol. 92　No. 18　2008/05　Research paper (scientific journal)

Room-Temperature Carbon Nanotube Single-Electron Transistors Fabricated Using Defect-Induced Plasma Process

Iwasaki Shin, Maeda Masatoshi, Kamimura Takafumi, Maehashi Kenzo, Ohno Yasuhide, Matsumoto Kazuhiko

Jpn J Appl Phys　Vol. 47　No. 4　p. 2036-2039　2008/04/25

High-Performance Carbon Nanotube Field-Effect Transistors with Local Electrolyte Gates

Katsura Taiji, Yamamoto Yasuki, Maehashi Kenzo, Ohno Yasuhide, Matsumoto Kazuhiko

Jpn J Appl Phys　Vol. 47　No. 4　p. 2060-2063　2008/04/25

Room-Temperature Coulomb Oscillations of Carbon Nanotube Field-Effect Transistors with Oxidized Insulators

Ohno Yasuhide, Asai Yoshihiro, Maehashi Kenzo, Inoue Koichi, Matsumoto Kazuhiko

Jpn J Appl Phys　Vol. 47　No. 4　p. 2056-2059　2008/04/25

Carbon nanotube amperometric chips with pneumatic micropumps

Yuichi Tsujita, Kenzo Maehashi, Kazuhiko Matsumoto, Miyuki Chikae, Soichiro Torai, Yuzuru Takamura, Eiichi Tamiya

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 47　No. 4　p. 2064-2067　2008/04　Research paper (scientific journal)

High-performance carbon nanotube field-effect transistors using low-energy ion implantation

Kenzo Maehashi, Kohei Nishiguchi, Yasuhide Ohno, Koichi Inoue, Kazuhiro Yamamoto, Kazuhiko Matsumoto

Device Research Conference - Conference Digest, DRC　p. 15-16　2008　Research paper (international conference proceedings)

Suppression of Current Fluctuations in Carbon Nanotube Field-Effect Transistors by Applying Alternating Current

Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto

2008 INTERNATIONAL CONFERENCE ON NANOSCIENCE AND NANOTECHNOLOGY　p. 67-70　2008　Research paper (international conference proceedings)

Convertible transistor between resonant tunneling transistor and single hole transistor using single-walled carbon nanotube

T. Kamimura, Y. Ohno, K. Matsumoto

Device Research Conference - Conference Digest, DRC　p. 19-20　2008　Research paper (international conference proceedings)

Label-free immunosensor for prostate-specific antigen based on single-walled carbon nanotube array-modified microelectrodes

Jun Okuno, Kenzo Maehashi, Kagan Kerman, Yuzuru Takamura, Kazuhiko Matsumoto, Eiichi Tamiya

BIOSENSORS & BIOELECTRONICS　Vol. 22　No. 9-10　p. 2377-2381　2007/04　Research paper (scientific journal)

Coulomb oscillations at room-temperature of single-walled carbon nanotube field-effect transistors

Y. Ohno, Y. Asai, K. Maehashi, K. Inoue, K. Matsumoto

2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007, Technical Proceedings　Vol. 1　p. 69-72　2007　Research paper (international conference proceedings)

High-sensitive label-free biosensors based on carbon nanotube field-effect transistors modified with aptamers

Kenzo Maehashi, Taiji Katsura, Kazuhiko Matsumoto, Kagan Kerman, Yuzuru Takamura, Eiichi Tamiya

2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007, Technical Proceedings　Vol. 2　p. 202-205　2007　Research paper (international conference proceedings)

Single charge detection using single-walled carbon nanotube single-hole transistor

Takafumi Kamimura, Yasuhide Ohno, Kazuhiko Matsumoto

2007 INTERNATIONAL SEMICONDUCTOR DEVICE RESEARCH SYMPOSIUM, VOLS 1 AND 2　p. 518-519　2007　Research paper (international conference proceedings)

Electronic states of single-walled carbon nanotubes with substitutional impurities

Koichi Inoue, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto

PHYSICS OF SEMICONDUCTORS, PTS A AND B　Vol. 893　p. 1031-+　2007　Research paper (international conference proceedings)

Label-free protein biosensor based on aptamer-modified carbon nanotube field-effect transistors

Kenzo Maehashi, Taiji Katsura, Kagan Kerman, Yuzuru Takamura, Kazuhiko Matsumoto, Eiichi Tamiya

ANALYTICAL CHEMISTRY　Vol. 79　No. 2　p. 782-787　2007/01　Research paper (scientific journal)

Single-walled carbon nanotube-arrayed microelectrode chip for electrochemical analysis

Jun Okuno, Kenzo Maehashi, Kazuhiko Matsumoto, Kagan Kerman, Yuzuru Takamura, Eiichi Tamiya

ELECTROCHEMISTRY COMMUNICATIONS　Vol. 9　No. 1　p. 13-18　2007/01　Research paper (scientific journal)

Growth of Suspended Single-Walled Carbon Nanotubes by Laser-Irradiated Chemical Vapor Deposition

Y. Asai, Y. Fujiwara, Y. Ohno, K. Maehashi, K. Inoue, K. Matsumoto

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON NANOSCIENCE AND TECHNOLOGY　Vol. 61　p. 46-50　2007　Research paper (international conference proceedings)

Coherent transport of hole and Coulomb blockade phenomenon in long p-type semiconductor carbon nanotube

T Kamimura, K Matsumoto

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　Vol. 45　No. 1A　p. 338-340　2006/01　Research paper (scientific journal)

Large magnetoresistance in single-walled carbon nanotubes contacted different ferromagnetic metal electrodes

Y. Ohno, K. Narumi, K. Maehashi, K. Inoue, K. Matsumoto

Seventh International Conference on New Phenomena in Mesoscopic Structures and Fifth International Conference on Surfaces and Interfaces of Mesoscopic Devices, 2005　Vol. 38　p. 57-60　2006　Research paper (international conference proceedings)

Laser-resonance chirality selection in single-walled carbon nanotubes

Kenzo Maehashi, Yasuhide Ohno, Koichi Inoue, Kazuhiko Matsumoto

AIP Conference Proceedings　Vol. 772　p. 1023-1024　2005/06/30　Research paper (international conference proceedings)

Growth control of carbon nanotube using various applied electric fields for electronic device applications

M Maeda, CK Hyon, T Kamimura, A Kojima, K Sakamoto, K Matsumoto

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　Vol. 44　No. 4A　p. 1585-1587　2005/04　Research paper (scientific journal)

Position-controlled growth of single-walled carbon nanotubes by laser-irradiated chemical vapor deposition

Y Fujiwara, K Maehashi, Y Ohno, K Inoue, K Matsumoto

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　Vol. 44　No. 4A　p. 1581-1584　2005/04　Research paper (scientific journal)

Air-stable n-type carbon nanotube field-effect transistors with Si 3N4 passivation films fabricated by catalytic chemical vapor deposition

Daisuke Kaminishi, Hirokazu Ozaki, Yasuhide Ohno, Kenzo Maehashi, Koichi Inoue, Kazuhiko Matsumoto, Yasuhiro Seri, Atsushi Masuda, Hideki Matsumura

Applied Physics Letters　Vol. 86　No. 11　p. 1-3　2005/03/14　Research paper (scientific journal)

Peptide nucleic acid-modified carbon nanotube field-effect transistor for ultra-sensitive real-time detection of DNA hybridization

Kagan Kerman, Yasutaka Morita, Yuzuru Takamura, Eiichi Tamiya, Kenzo Maehashi, Kazuhiko Matsumoto

Nanobiotechnology　Vol. 1　No. 1　p. 65-70　2005　Research paper (scientific journal)

Transport properties of charge carriers in single-walled carbon nanotubes by flash-photolysis time-resolved microwave conductivity technique

Y Ohno, K Maehashi, K Inoue, K Matsumoto, A Saeki, S Seki, S Tagawa

Physics of Semiconductors, Pts A and B　Vol. 772　p. 1041-1042　2005　Research paper (international conference proceedings)

Room-temperature single-hole transistors made using semiconductor carbon nanotube with artificial defects near carrier depletion region

T Kamimura, M Maeda, K Sakamoto, K Matsumoto

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　Vol. 44　No. 1A　p. 461-464　2005/01　Research paper (scientific journal)

Ultrasensitive Detection of DNA Hybridization Using Carbon Nanotube Field-Effect Transistors

Maehashi Kenzo, Matsumoto Kazuhiko, Kerman Kagan, Takamura Yuzuru, Tamiya Eiichi

Jpn J Appl Phys　Vol. 43　No. 12　p. L1558-L1560　2004/12/01

Reduction of hysteresis characteristics in carbon nanotube field-effect transistors by refining process

T Kamimura, K Matsumoto

IEICE TRANSACTIONS ON ELECTRONICS　Vol. E87C　No. 11　p. 1795-1798　2004/11　Research paper (scientific journal)

Fabrication and I-V characterization of carbon nanotube single electron transistor operated at room temperature

T. Kamimura, K. Sakamoto, M. Maeda, K. Kurachi, K. Matsumoto

Device Research Conference - Conference Digest, DRC　Vol. 2003-　p. 177-178　2003　Research paper (international conference proceedings)

Room temperature Coulomb diamond characteristic of single electron transistor made by AFM nano-oxidation process

Y Gotoh, K Matsumoto, T Maeda

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS　Vol. 41　No. 4B　p. 2578-2582　2002/04　Research paper (scientific journal)

Single electron memory at room temperature: experiment and simulation

Bubanja, V, K Matsumoto, Y Gotoh

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　Vol. 40　No. 1　p. 87-91　2001/01　Research paper (scientific journal)

Nano-processing using carbon nano tube probes and its device applications

K Matsumoto, Y Gotoh

2001 INTERNATIONAL SEMICONDUCTOR DEVICE RESEARCH SYMPOSIUM, PROCEEDINGS　p. 354-357　2001　Research paper (international conference proceedings)

Metal-Based Room-Temperature Operating Single Electron Devices Using Scanning Probe Oxidation

Matsumoto Kazuhiko, Gotoh Yoshitaka, TatsuroMaeda TatsuroMaeda, Dagata John, Harris JamesS.

Jpn J Appl Phys　Vol. 38　No. 1　p. 477-479　1999/01/30

V-Shaped Gate High Electron Mobility Transistor (VHEMT)

Ishii Masami, Matsumoto Kazuhiko, Morozumi Hidehiro, Sugiyama Yoshinobu, Sakamoto Tsunenori

Jpn J Appl Phys　Vol. 32　No. 1　p. L36-L38　1993/01/20

SI METAL-INSULATOR SEMICONDUCTOR TUNNEL EMITTER TRANSISTOR (SI MIS TET)

T YOSHIMOTO, K MATSUMOTO, K SAKAMOTO, T SAKATA

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS　Vol. 30　No. 12A　p. L2012-L2014　1991/12　Research paper (scientific journal)