Mayumi Koichi

Affiliation and department：
Job title： Associate Professor
Homepage URL (2)： https://kmayumi.issp.u-tokyo.ac.jp/ , https://kmayumi.issp.u-tokyo.ac.jp/en/

Research field (2)： Bio-, chemical, and soft-matter physics , Polymer materials

Research keywords (5)： Cross-linked Polymer , Rheology , Fracture Mechanics , Neutron Scattering , Polymer Physics

Research theme for competitive and other funds (8)：

2022 - 2028 強相関ソフトマターの時空間階層構造解析
2023 - 2026 Formation of cohelical structure in mixed gelatin gels and its effect on physical properties on food
2019 - 2025 ゲルのロバスト強靱化機構の解明と人工腱・靱帯の開発
2020 - 2023 分子ダイナミクス計測による架橋高分子材料の強靭化メカニズム解明
2019 - 2022 自己組織化ナノシートの構造制御と新規物性研究課題

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Papers (81)：

Ken Morishima, Rintaro Inoue, Tatsuo Nakagawa, Masahiro Shimizu, Ritsuki Sakamoto, Tatsuro Oda, Koichi Mayumi, Masaaki Sugiyama. Size-exclusion chromatography-small-angle neutron scattering system optimized for an instrument with medium neutron flux. Journal of applied crystallography. 2025. 58. Pt 2. 595-602
Yusuke Yasuda, Takeyoshi Masumoto, Koichi Mayumi, Masatoshi Toda, Hideaki Yokoyama, Hiroshi Morita, Kohzo Ito. Coarse-grained molecular dynamics simulations of slide-ring gels under finite deformation: influence of sliding ring rearrangement on softness and extensibility. Soft matter. 2025
Ryosuke Senga, Katsumi Hagita, Tomohiro Miyata, Hsiao-Fang Wang, Koichi Mayumi, Hiroshi Jinnai, Kazu Suenaga. Nanoscale C-H/C-D mapping of organic materials using electron spectroscopy. Nature nanotechnology. 2025
Saki Kusakabe, Xiang Li, Koichi Mayumi, Takuya Katashima, Ichiro Sakuma, Yuki Akagi. Adsorption suppression and viscosity transition in semidilute PEO/silica nanoparticle mixtures under the protein limit. Journal of Colloid and Interface Science. 2025. 137377-137377
Koichi Mayumi, Tatsuro Oda, Shinya Miyajima, Ippei Obayashi, Kazuaki Tanaka. Error evaluation of partial scattering functions obtained from contrast-variation small-angle neutron scattering. Journal of applied crystallography. 2025. 58. Pt 1. 4-17

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MISC (13)：

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Education (4)：

2009 - 2011 The University of Tokyo Graduate School of Frontier Sciences Doctral Course, Department of Advanced Materials Science
2007 - 2009 The University of Tokyo Graduate School of Frontier Sciences Master Course, Department of Advanced Materials Science
2005 - 2007 The University of Tokyo Faculty of Engineering Department of Applied Physics
2003 - 2005 The University of Tokyo College of Arts and Sciences Natural Sciences I

Professional career (1)：

Ph. D

Work history (5)：

2020/11 - 現在 The University of Tokyo Neutron Science Laboratory Affiliated to the ISSP Associate Professor
2018/03 - 2020/10 Graduate School of Frontier Sciences, The University of Tokyo Ito and Yokoyama Laboratory, Department of Advanced Materials Science Project Lecturer
2014/04 - 2018/02 Graduate School of Frontier Sciences, The University of Tokyo Ito and Yokoyama Laboratory, Department of Advanced Materials Science Assistant Professor
2012/04 - 2014/03 ESPCI ParisTech Laboratoire SIMM/PPMD Postdoctoral Researcher
2009/04 - 2012/03 Graduate School of Frontier Sciences, The University of Tokyo Ito and Yokoyama Laboratory, Department of Advanced Materials Science Research Fellowship for Young Scientists (DC1)

Committee career (2)：

2017/06 - 現在日本ゴム協会新世代エラストマー技術研究分科会世話人
2015/05 - 2021/03 高分子学会関東高分子若手研究会世話人(2018年世話人代表)

Awards (9)：

2022/04 - The Young Scientists’ Award, the Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology
2021/12 - 日本中性子科学会日本中性子科学会奨励賞
2021/05 - 日本レオロジー学会日本レオロジー学会奨励賞
2020/07 - The Society of Polymer Science, Japan and Kansai Region Branch Young Scientist Lecture Award; The Society of Polymer Science, Japan and Kansai Region Branch (2020)
2018/12 - MRS-J 第28回日本MRS年次大会奨励賞 Toughening mechanism of slide-ring materials

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