顔写真

PHOTO

Kawaguchi Tatsuya
川口 辰也
Kawaguchi Tatsuya
川口 辰也
Graduate School of Science Department of Macromolecular Science, Associate Professor (Lecturer)

Research History 4

  1. 2022/04 - Present
    Osaka University Graduate School of Science Department of Macromolecular Science Associate Professor (Lecturer)

  2. 2007/04 - 2022/03
    Osaka University Graduate School of Science Department of Macromolecular Science Assistant Professor

  3. 1999/01 - 2007/03
    Osaka University Graduate School of Science Department of Macromolecular Science Research Assistant

  4. 1995/04 - 1999/01
    三井東圧化学株式会社分析物性センター

Education 3

  1. Kyoto University Graduate School, Division of Engineering

    - 1995/03

  2. Kyoto University Graduate School, Division of Engineering

    - 1992/03

  3. Osaka University Faculty of Science

    - 1990/03

Professional Memberships 3

  1. 日本中性子科学会

  2. The Chemical Society of Japan

  3. 高分子学会

Papers 61

  1. Quasielastic Neutron Scattering Study on Polymorphism of Glycerol Deuterated Triacylglycerols: Comparison with Saturated, Trans-unsaturated and Cis-unsaturated Triacylglycerols

    Chikayo Takechi, Tatsuya Kawaguchi, Fumitoshi Kaneko, Osamu Yamamuro

    Chemistry Letters Vol. 50 No. 3 p. 435-438 2021/03/05 Research paper (scientific journal)

    Publisher: The Chemical Society of Japan
  2. A new simultaneous measurement system of wide Q-range small angle neutron scattering combined with polarized Fourier transform infrared spectroscopy

    Fumitoshi Kaneko, Tatsuya Kawaguchi, Aurel Radulescu, Hiroki Iwase, Toshiaki Morikawa, Shin-ichi Takata, Masayoshi Nishiura, Zhaomin Hou

    Review of Scientific Instruments Vol. 90 No. 9 p. 093906-093906 2019/09 Research paper (scientific journal)

  3. Structure Change of YFP Induced by Insertion Mutations

    Tanaka R, Yoshizawa K, Watanabe TM, Kawaguchi T, Imada K

    SPring-8 / SACLA Research Report 2017/04 Research paper (scientific journal)

  4. ATR FTIR Spectroscopic Study on Complexation of Sydiotactic Polystyrene with n-Alkyl Carboxylic Acids

    Shuma Sato, Tatsuya Kawaguchi, Fumitoshi Kaneko

    Macromolecular Symposia Vol. 369 No. 1 p. 114-118 2016/11/01 Research paper (scientific journal)

    Publisher: Wiley-VCH Verlag
  5. Recombinant expression, molecular characterization and crystal structure of antitumor enzyme, L-lysine α-oxidase from Trichoderma viride

    Amano Marie, Mizuguchi Haruka, Sano Tadahisa, Kondo Hiroki, Shinyashiki Kengo, Inagaki Junko, Tamura Takashi, Kawaguchi Tatsuya, Kusakabe Hitoshi, Imada Katsumi, Inagaki Kenji

    VITAMINS Vol. 89 No. 10 p. 495-498 2015

    Publisher: THE VITAMIN SOCIETY OF JAPAN
  6. Recombinant expression, molecular characterization and crystal structure of antitumor enzyme, L-lysine a-oxidase from Trichoderma viride

    Marie Amano, Haruka Mizuguchi, Tadahisa Sano, Hiroki Kondo, Kengo Shinyashiki, Junko Inagaki, Takashi Tamura, Tatsuya Kawaguchi, Hitoshi Kusakabe, Katsumi Imada, Kenji Inagaki

    Journal of Biochemistry Vol. 157 No. 6 p. 549-559 2015 Research paper (scientific journal)

    Publisher: Oxford University Press
  7. Crystallization and preliminary X-ray analysis of the periplasmic domain of FliP, an integral membrane component of the bacterial flagellar type III protein-export apparatus

    Takuma Fukumura, Yukio Furukawa, Tatsuya Kawaguchi, Yumiko Saijo-Hamano, Keiichi Namba, Katsumi Imada, Tohru Minamino

    Acta Crystallographica Section F Structural Biology Communications Vol. 70 No. 9 p. 1215-1218 2014/09/01 Research paper (scientific journal)

    Publisher: International Union of Crystallography (IUCr)
  8. 3P007 Systematic structural study of single amino acid insertion mutants of YFP(01A. Protein: Structure,Poster,The 52nd Annual Meeting of the Biophysical Society of Japan(BSJ2014))

    Tanaka Rumika, Yoshizawa Keiko, Watanabe Tomonobu, Kawaguchi Tatsuya, Imada Katsumi

    Seibutsu Butsuri Vol. 54 No. 1 2014

    Publisher: The Biophysical Society of Japan General Incorporated Association
  9. Posttranslational modifications in type I collagen from different tissues extracted from wild type and prolyl 3-hydroxylase 1 null mice

    Elena Pokidysheva, Keith D. Zientek, Yoshihiro Ishikawa, Kazunori Mizuno, Janice A. Vranka, Nathan T. Montgomery, Douglas R. Keene, Tatsuya Kawaguchi, Kenji Okuyama, Hans Peter Bächinger

    Journal of Biological Chemistry Vol. 288 No. 34 p. 24742-24752 2013/08/23 Research paper (scientific journal)

  10. Crystal structure of the collagen model peptide (Pro-Pro-Gly)4-Hyp-Asp-Gly-(Pro-Pro-Gly)4 at 1.0 angstrom resolution

    Kenji Okuyama, Tatsuya Kawaguchi, Masaki Shimura, Keiichi Noguchi, Kazunori Mizuno, Hans Peter Baechinger

    BIOPOLYMERS Vol. 99 No. 7 p. 436-447 2013/07 Research paper (scientific journal)

  11. 2P038 Crystallization and genetic analyses of a periplasmic loop of FliP, a component of the flagellar protein export apparatus(01B. Protein: Structure & Function,Poster)

    Fukumura Takuma, Saijo-Hamano Yumiko, Furukawa Yukio, Kawaguchi Tatsuya, Imada Katsumi, Namba Keiichi, Minamino Tohru

    Seibutsu Butsuri Vol. 53 No. 1 2013

    Publisher: The Biophysical Society of Japan General Incorporated Association
  12. 3P293 Structure and fluorescent property of single amino acid insertion mutants of YFP(27. Bioimaging,Poster)

    Tanaka Rumika, Yoshizawa Keiko, Watanabe Tomonobu, Kawaguchi Tatsuya, Imada Katsumi

    Seibutsu Butsuri Vol. 53 No. 1 2013

    Publisher: The Biophysical Society of Japan General Incorporated Association
  13. 2PT109 Structure of L-lysine α-oxidase from Trichoderma viride(The 50th Annual Meeting of the Biophysical Society of Japan)

    Sano Tadahisa, Kawaguchi Tatsuya, Amano Marie, Shinyashiki Kengo, Nakata Haruka, Tamura Takashi, Inagaki Kenji, Kusakabe Hitoshi, Imada Katsumi

    Seibutsu Butsuri Vol. 52 2012

    Publisher: The Biophysical Society of Japan General Incorporated Association
  14. Neutron diffraction and IR spectroscopy study on crystalline complexation of syndiotactic polystyrene with 15-crown-5 and 18-crown-6

    Fumitoshi Kaneko, Keita Sasaki, Tatsuya Kawaguchi, Koichi Ute, James Hester

    Chemistry Letters Vol. 41 No. 3 p. 284-286 2012 Research paper (scientific journal)

  15. n-アルカンのポリタイプ現象における低振動数分子振動の影響

    久保田英樹, 川口辰也, 金子文俊

    波紋 2010/07

    Publisher: 中性子科学会
  16. コラーゲンの分子構造・高次構造

    奥山健二, 川口辰也

    高分子論文集 Vol. 67 No. 4 p. 229-247 2010/04

  17. Two crystal modifications of (Pro-Pro-Gly)4-Hyp-Hyp-Gly-(Pro- Pro-Gly)4 reveal the puckering preference of Hyp(X) in the Hyp(X):Hyp(Y) and Hyp(X):Pro(Y) stacking pairs in collagen helices

    Kenji Okuyama, Tatsuya Morimoto, Hirotaka Narita, Tatsuya Kawaguchi, Kazunori Mizuno, Hans Peter Bächinger, Guanghan Wu, Keiichi Noguchi

    Acta Crystallographica Section D: Biological Crystallography Vol. 66 No. 1 p. 88-96 2010 Research paper (scientific journal)

  18. Incoherent Quasielastic Neutron Scattering Study on the Polymorphism of Tristearin:  Dynamical Properties of Hydrocarbon Chains

    Chikayo Takechi, Tatsuya Kawaguchi, Fumitoshi Kaneko, Osamu Yamamuro, Hiroyuki Akita, Machiko Ono, Masao Suzuki

    The Journal of Physical Chemistry B Vol. 111 No. 33 p. 9706-9710 2007/08 Research paper (scientific journal)

  19. Unique side chain conformation of a Leu residue in a triple-helical structure

    Kenji Okuyama, Hirotaka Narita, Tatsuya Kawaguchi, Keiichi Noguchi, Yuji Tanaka, Norikazu Nishino

    2007/06 Research paper (scientific journal)

  20. Structural and Dynamical Properties of n-Alkane Molecules in Clathrate Phase of Syndiotactic Polystyrene

    Fumitoshi Kaneko, Yukihiro Uda, Tatsuya Kawaguchi, Koichi Ute, Osamu Yamamuro

    Macromolecular Symposia Vol. 242 No. 1 p. 113-119 2006/10 Research paper (scientific journal)

  21. Structural Study on Polymorphism of Cis-Unsaturated Triacylglycerol:  Triolein

    Chikayo Akita, Tatsuya Kawaguchi, Fumitoshi Kaneko

    The Journal of Physical Chemistry B Vol. 110 No. 9 p. 4346-4353 2006/03 Research paper (scientific journal)

    Publisher: American Chemical Society (ACS)
  22. Structure and dynamical properties of syndiotactic polystyrene clathrates and their functionality

    Fumitoshi Kaneko, Yukihiro Uda, Tatsuya Kawaguchi, Kenji Okuyama, Nobutaka Tanigaki, Osamu Yamamuro, Atsushi Kajiwara

    Polymer Preprints, Japan Vol. 55 No. 2 2006 Research paper (international conference proceedings)

  23. Structure analysis of dibutyleicosanedioate as model compound of aliphatic polyester

    Yoshiyuki Yanagihara, Tatsuya Kawaguchi, Fumitoshi Kaneko

    Polymer Preprints, Japan Vol. 55 No. 1 2006 Research paper (international conference proceedings)

  24. Clathration of crystalline region of syndiotactic polystyrene with organic compounds - Structures and properties

    Fumitoshi Kaneko, Natsuko Kashihara, Yukihiro Uda, Tatsuya Kawaguchi, Kenji Okuyama, Nobutaka Tanigaki

    Polymer Preprints, Japan Vol. 55 No. 1 2006 Research paper (international conference proceedings)

  25. Structural analysis of N,N'-dihexyleicosanamide [II]

    Tatsuya Kawaguchi, Fumitoshi Kaneko

    Polymer Preprints, Japan Vol. 55 No. 1 2006 Research paper (international conference proceedings)

  26. Infrared spectroscopic study of polytypic effects on the crystal-growth mechanism of n-hexatriacontane (n-C36H74)

    Hideki Kubota, Fumitoshi Kaneko, Tatsuya Kawaguchi, Masatsugu Kawasaki

    The Journal of Chemical Physics Vol. 123 No. 13 p. 134501-134501 2005/10 Research paper (scientific journal)

    Publisher: AIP Publishing
  27. The First Example of a Polymer-Crystal–Organic-Dye Composite Material: The Clathrate Phase of Syndiotactic Polystyrene with Azulene

    Y. Uda, F. Kaneko, N. Tanigaki, T. Kawaguchi

    Advanced Materials Vol. 17 No. 15 p. 1846-1850 2005/08/04 Research paper (scientific journal)

    Publisher: Wiley
  28. Guest Exchange Mechanism in the Clathrate Phase of Syndiotactic Polystyrene

    Yukihiro Uda, Fumitoshi Kaneko, Tatsuya Kawaguchi

    Macromolecules Vol. 38 No. 8 p. 3380-3385 2005/04 Research paper (scientific journal)

    Publisher: American Chemical Society (ACS)
  29. Guest Exchange withn-Alkanes and Host−Guest Interactions in the Clathrate Phase of Syndiotactic Polystyrene

    Yukihiro Uda, Fumitoshi Kaneko, Tatsuya Kawaguchi

    Macromolecules Vol. 38 No. 8 p. 3320-3326 2005/04 Research paper (scientific journal)

    Publisher: American Chemical Society (ACS)
  30. Inelastic neutron scattering study on the polytypism of even-numbered n-alkanes

    Hideki Kubota, Fumitoshi Kaneko, Tatsuya Kawaguchi

    Journal of Crystal Growth Vol. 275 No. 1-2 p. e2181-e2186 2005/02/15 Research paper (international conference proceedings)

  31. Infrared spectroscopic study on polytypic transformation of growing single crystal of n-hexatriacontane (n-C36H74)

    Hideki Kubota, Fumitoshi Kaneko, Tatsuya Kawaguchi, Masatsugu Kawasaki

    Journal of Crystal Growth Vol. 275 No. 1-2 p. e1751-e1756 2005/02 Research paper (scientific journal)

  32. Quasi-elastic neutron scattering study on polymorphism of tristearin: relationship between dynamical properties and subcell structures

    Chikayo Akita, Tatsuya Kawaguchi, Fumitoshi Kaneko, Osamu Yamamuro, Hiroyuki Akita, Machiko Ono, Masao Suzuki

    Journal of Crystal Growth Vol. 275 No. 1-2 p. e2187-e2193 2005/02 Research paper (scientific journal)

  33. Pressure induced phase transition of n-alkanes - The effects of polytypism

    Hideki Kubota, Fumitoshi Kaneko, Tatsuya Kawaguchi

    Polymer Preprints, Japan Vol. 54 No. 1 2005 Research paper (international conference proceedings)

  34. Structure research for 1, 20-dialkyleicosanedioate

    Yoshivuki Yanagihara, Tatsuya Kawaguchi, Fumitoshi Kaneko

    Polymer Preprints, Japan Vol. 54 No. 2 2005 Research paper (international conference proceedings)

  35. Solid phase transition of N,N′-dihexyleicosanamide

    Tatsuya Kawaguchi, Ichiro Kuwabara, Fumitoshi Kaneko

    Polymer Preprints, Japan Vol. 54 No. 2 2005 Research paper (international conference proceedings)

  36. Structure and dynamics of hydrocarbons included in the δ form of syndiotactic polystyrene

    Yukihiro Uda, Fumitoshi Kaneko, Tatsuya Kawaguchi

    Polymer Preprints, Japan Vol. 54 No. 1 2005 Research paper (international conference proceedings)

  37. Study of thermodynamic stabilities of polytypes of n-C 36H 74 by solubility measurements and incoherent inelastic neutron scattering

    Hideki Kubota, Fumitoshi Kaneko, Tatsuya Kawaguchi

    Journal of Chemical Physics Vol. 122 No. 2 2005 Research paper (scientific journal)

  38. Selective Guest Uptake from Solvent Mixtures in the Clathrate Phase of Syndiotactic Polystyrene

    Yukihiro Uda, Fumitoshi Kaneko, Tatsuya Kawaguchi

    Macromolecular Rapid Communications Vol. 25 No. 22 p. 1900-1904 2004/11/12 Research paper (scientific journal)

    Publisher: Wiley
  39. The Influence of Polytypic Structures on the Solid-state13C NMR Spectra ofn-Alkanes

    Hideki Kubota, Fumitoshi Kaneko, Chikayo Akita, Tatsuya Kawaguchi

    Chemistry Letters Vol. 33 No. 10 p. 1358-1359 2004/10 Research paper (scientific journal)

    Publisher: The Chemical Society of Japan
  40. The influence of polytypic structures on the M011→M101 solid–solid phase transition of n-C36H74: An application of the oblique infrared transmission method

    Hideki Kubota, Fumitoshi Kaneko, Tatsuya Kawaguchi, Masatsugu Kawasaki

    The Journal of Chemical Physics Vol. 121 No. 2 p. 1121-1128 2004/07/08 Research paper (scientific journal)

    Publisher: AIP Publishing
  41. Solid-state13C NMR Study on Order → Disorder Phase Transition in Oleic Acid

    Chikayo Akita, Tatsuya Kawaguchi, Fumitoshi Kaneko, Hitoshi Yamamoto, Masao Suzuki

    The Journal of Physical Chemistry B Vol. 108 No. 15 p. 4862-4868 2004/04 Research paper (scientific journal)

    Publisher: American Chemical Society (ACS)
  42. Polytypic Transition ofn-Hexatriacontane during Solution Crystallization

    Hideki Kubota, Fumitoshi Kaneko, Tatsuya Kawaguchi, Masatsugu Kawasaki

    Crystal Growth & Design Vol. 4 No. 2 p. 369-375 2004/03 Research paper (scientific journal)

    Publisher: American Chemical Society (ACS)
  43. Guest exchange process in syndiotactic polystyrene thin films measured by ATR-FTIR spectroscopy

    Yukihiro Uda, Fumitoshi Kaneko, Tatsuya Kawaguchi

    Polymer Vol. 45 No. 7 p. 2221-2229 2004/03 Research paper (scientific journal)

    Publisher: Elsevier BV
  44. Development of a micro-FT-IR system for three-dimensional structural studies

    Hideki Kubota, Fumitoshi Kaneko, Tatsuya Kawaguchi, Masatsugu Kawasaki

    Vibrational Spectroscopy Vol. 31 No. 1 p. 11-17 2003/01 Research paper (scientific journal)

    Publisher: Elsevier BV
  45. Development of a simultaneous measurement system of X-ray diffraction and raman spectra: application to structural study of crystalline-phase transitions of chain molecules

    Kohji Tashiro, Sobiroh Kariyo, Akihito Nishimori, Takashi Fujii, Seishi Saragai, Shinsuke Nakamoto, Tatsuya Kawaguchi, Akikazu Matsumoto, Orapin Rangsiman

    2002/07 Research paper (scientific journal)

  46. X-ray and vibrational spectroscopic study on polymorphism of trielaidin

    Kohji Dohi, Fumitoshi Kaneko, Tatsuya Kawaguchi

    Journal of Crystal Growth Vol. 237-239 No. 1-4 p. 2227-2232 2002/04 Research paper (scientific journal)

  47. Polytypic transformation during crystal growth monitored by newly developed micro-FTIR system for three-dimensional structural studies

    Hideki Kubota, Fumitoshi Kaneko, Tatsuya Kawaguchi, Masatugu Kawasaki

    Journal of Crystal Growth Vol. 237-239 No. 1 p. 373-378 2002 Research paper (scientific journal)

  48. Local Dynamics of Some Bulk Polymers above Tg As Seen by Quasielastic Neutron Scattering

    T. Kanaya, T. Kawaguchi, K. Kaji

    1999/07 Research paper (scientific journal)

  49. Fast process of amorphous polystyrene below and above the glass transition temperature Tg as studied by quasielastic neutron scattering

    T. Kanaya, T. Kawaguchi, K. Kaji

    1996/07 Research paper (scientific journal)

  50. Microscopic view of glass transition dynamics: A quasielastic neutron scattering study on trans-1,4-polychloroprene

    T. Kanaya, T. Kawaguchi, K. Kaji

    1996/07 Research paper (scientific journal)

  51. Influence of the microstructure on the incoherent neutron scattering of glass-forming polybutadienes

    Zorn, Reiner, Kanaya, Toshiji, Kawaguchi, Tatsuya, Richter, Dieter, Kaji, Keisuke

    Journal of Chemical Physics 1996/01 Research paper (scientific journal)

  52. Annealing effects on low-energy excitation of amorphous poly(methyl methacrylate)

    T. Kanaya, M. Miyakawa, T. Kawaguchi, K. Kaji

    1996/01 Research paper (scientific journal)

    Publisher: World Scientific
  53. Dynamical coupling between side and main chains of amorphous polystyrene near Tg

    T. Kanaya, T. Ishida, T. Kawaguchi, K. Kaji

    1995/01 Research paper (scientific journal)

  54. Fast relaxations of amorphous polystyrene

    T. Kawaguchi, T. Kanaya, K. Kaji

    1995/01 Research paper (scientific journal)

  55. Quasielastic neutron scattering on the sol-gel transition of atactic polystyrene in carbon disulfide

    Y. Izumi, M. Kobayashi, T. Kawaguchi, T. Kanaya, K. Kaji

    1995/01 Research paper (scientific journal)

  56. A collimator with NiC/Ti supermirror in the high-resolution neutron spectrometer LAM-80ET

    T. Kanaya, Y. Kawabata, K. Shibata, T. Kawaguchi, K. Kaji

    1995/01 Research paper (scientific journal)

  57. Fast relaxations of amorphous polystyrene

    KAWAGUCHI Tatsuya

    1995 Research paper (scientific journal)

    Publisher: Physica
  58. Dynamical coupling between side and main chains of amorphous polystyrene near Tg

    KAWAGUCHI Tatsuya

    1995 Research paper (scientific journal)

    Publisher: Physica
  59. Low energy excitation and fast motion near Tg in amorphous polymers

    T. Kanaya, T. Kawaguchi, K. Kaji

    1994/01 Research paper (scientific journal)

  60. Low-energy excitation and fast motion near Tg in amorphous poly(cis-1,4-butadiene)

    Toshiji Kanaya, Tatsuya Kawaguchi, Keisuke Kaji

    J. Chem. Phys. Vol. 98 p. 8262-8270 1993/07 Research paper (scientific journal)

  61. Local dynamics of cis-1, 4-polybutadiene near the glass transition temperature Tg

    T. Kanaya, T. Kawaguchi, K. Kaji

    Physica B: Physics of Condensed Matter Vol. 182 No. 4 p. 403-408 1992 Research paper (scientific journal)

Misc. 6

  1. 1-III-4 Trichoderma viride由来抗腫瘍性酵素L-Lysine α-oxidaseのX線結晶構造(一般演題要旨,第65回大会講演要旨)

    天野 万里, 新屋敷 健悟, 佐野 宰久, 川口 辰也, 日下部 均, 今田 勝巳, 田村 隆, 稲垣 賢二

    ビタミン Vol. 87 No. 4 p. 207-207 2013/04/25

    Publisher: 日本ビタミン学会
  2. Molecular and fibrillar structures of collagen

    Kenji Okuyama, Tatsuya Kawaguchi

    Kobunshi Ronbunshu Vol. 67 No. 4 p. 229-247 2010/04 Book review, literature introduction, etc.

  3. Polymorphism and structure formation on polymer surfaces of oleamide

    TANAKA Tomoya, KANEKO Fumitoshi, KAWAGUCHI Tatuya

    Journal of the Japanese Association of Crystal Growth Vol. 31 No. 3 p. 251-251 2004/08/25

    Publisher: The Japanese Association for Crystal Growth (JACG)
  4. Polymorphism and solid state phase transitions of oleamide

    TANAKA Tomoya, KANEKO Fumitoshi, KAWAGUCHI Tatsuya

    Journal of the Japanese Association of Crystal Growth Vol. 30 No. 3 p. 25-25 2003/07/05

    Publisher: The Japanese Association for Crystal Growth (JACG)
  5. Influence of Carboxyl Group on Polymorphism of Even-numbered Fatty Acids.

    金子文俊, 川口辰也, 田代孝二

    日本結晶成長学会誌 Vol. 27 No. 1 2000/07/26

  6. DYNAMICS OF AMORPHOUS POLYMERS NEAR GLASS-TRANSITION

    T KANAYA, T KAWAGUCHI, K KAJI

    SLOW DYNAMICS IN CONDENSED MATTER Vol. 256 p. 91-92 1992

Industrial Property Rights 3

  1. 樹脂成形方法

    川口辰也, 大渕省二

    特許3865960

    出願日:1999/01

    登録日:2006/10

  2. 脂肪族ポリエステル成形体に,透明性と結晶性を同時に発現せしめること。

    大渕省二, 川口辰也, 中田智之, 渡辺孝行, 北原泰広, 鈴木和彦, 味岡正伸

    特許3411168

    出願日:1996/12

    登録日:2003/03

  3. Films and molded articles formed from aliphatic polyester compositions containing nucleating agents

    Shoji Obuchi, Tatsuya Kawaguchi, Tomoyuki Nakata, Takayuki Watanabe, Yasuhiro Kitahara, Kazuhiko Suzuki, Masanobu Ajioka

    出願日:1996/12

    登録日:2002/07

Academic Activities 1

  1. ひらめき☆ときめきサイエンス『化学で紐解く身の回りの不思議現象』

    大阪大学理学部科学科、日本学術振興会

    2018/08 -