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
2015 - 2018 環動高分子材料の大変形・破壊メカニズムの解明 研究課題
2014 - 2016 環動分子構造を利用した物質輸送膜システムの創成
2009 - 2012 分子ネックレスのスライディング挙動と環境材料の動的力学物性の解明
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Papers (71):
Lester C. Geonzon, Takato Enoki, Sanjida Humayun, Rando Tuvikene, Shingo Matsukawa, Koichi Mayumi. Understanding the rheological properties from linear to nonlinear regimes and spatiotemporal structure of mixed kappa and reduced molecular weight lambda carrageenan gels. Food Hydrocolloids. 2024. 150. 109752-109752
Kei Hashimoto, Takato Enoki, Chang Liu, Xiang Li, Takamasa Sakai, Koichi Mayumi. Strain-Induced Crystallization in Tetra-Branched Poly(ethylene glycol) Hydrogels with a Common Network Structure. Macromolecules. 2024. 57. 4. 1461-1468
Kei Hashimoto, Toru Shiwaku, Hiroyuki Aoki, Hideaki Yokoyama, Koichi Mayumi, Kohzo Ito. Strain-induced crystallization and phase separation used for fabricating a tough and stiff slide-ring solid polymer electrolyte. Science Advances. 2023. 9. 47
Lester C. Geonzon, Kei Hashimoto, Tatsuro Oda, Shingo Matsukawa, Koichi Mayumi. Elaborating Spatiotemporal Hierarchical Structure of Carrageenan Gels and Their Mixtures during Sol-Gel Transition. Macromolecules. 2023
Yuichi Masubuchi, Yuya Doi, Takato Ishida, Naoyuki Sakumichi, Takamasa Sakai, Koichi Mayumi, Kotaro Satoh, Takashi Uneyama. Phantom-Chain Simulations for the Effect of Node Functionality on the Fracture of Star-Polymer Networks. Macromolecules. 2023
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
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 - 現在 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
2017/05 - 高分子学会 高分子ゲル研究会 Gel Sympo2017 Young investigator Award Mechanical and Fracture Properties of Slide-Ring Materials