KEIICHI IMATO

Last Updated :2021/05/10

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Assistant Professor
Web Site
E-mail
kimatohiroshima-u.ac.jp
Other Contact Details
1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Japan
TEL : (+81)82-424-7608 FAX : (+81)82-424-5494
Self-introduction
I am studying the elucidation and control of structures and functions of polymeric materials using stimuli-responsive dyes.

Basic Information

Major Professional Backgrounds

  • 2012/04, 2014/09, Japan Society for the Promotion of Science, Research Fellow DC1
  • 2014/10, 2015/03, Japan Society for the Promotion of Science, Research Fellow PD
  • 2015/04, 2016/03, Tokyo Institute of Technology, Department of Organic and Polymeric Materials, Graduate School of Science and Engineering, Postdoctoral Researcher
  • 2016/04, 2018/12, Waseda University, Department of Life science and Medical Bioscience, School of Advanced Science and Engineering, Assistant Professor
  • 2014/11, 2015/03, University of Fribourg, Adolphe Merkle Institute, Visiting Researcher
  • 2019/01, 2020/03/31, Hiroshima University, Department of Applied Chemistry, Graduate School of Engineering, Assistant Professor

Educational Backgrounds

  • Kyushu University, School of Engineering, Department of Materials Science and Engineering, Japan, 2006/04, 2010/03
  • Kyushu University, Graduate School of Engineering, Department of Chemistry and Biochemistry, Japan, 2010/04, 2011/09
  • Kyushu University, Graduate School of Engineering, Department of Chemistry and Biochemistry, Japan, 2011/10, 2014/09

Academic Degrees

  • Master of Engineering, Kyushu University
  • Ph.D. in Engineering, Kyushu University

Educational Activity

  • 【Bachelor Degree Program】School of Engineering : Cluster 3(Applied Chemistry, Biotechnology and Chemical Engineering)
  • 【Master's Program】Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Applied Chemistry Program
  • 【Doctoral Program】Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Applied Chemistry Program

Research Fields

  • Chemistry;Applied chemistry;Polymer chemistry
  • Chemistry;Materials chemistry;Polymer / Textile materials

Research Keywords

  • Polymer Chemistry
  • Mechanochemistry
  • Functional Dye
  • Photoresponsive Polymer

Affiliated Academic Societies

Educational Activity

Course in Charge

  1. 2021, Liberal Arts Education Program1, 2Term, General Chemistry
  2. 2021, Liberal Arts Education Program1, 1Term, Introductory Seminar for First-Year Students
  3. 2021, Undergraduate Education, Second Semester, Basic Experiments in Chemistry
  4. 2021, Undergraduate Education, 4Term, Exercises in Physical Chemistry
  5. 2021, Graduate Education (Master's Program) , 4Term, Special Exercises on Applied Chemistry B
  6. 2021, Graduate Education (Master's Program) , 1Term, Special Exercises on Applied Chemistry A
  7. 2021, Graduate Education (Master's Program) , 1Term, Special Exercises on Applied Chemistry A
  8. 2021, Graduate Education (Master's Program) , 2Term, Special Exercises on Applied Chemistry A
  9. 2021, Graduate Education (Master's Program) , 2Term, Special Exercises on Applied Chemistry A
  10. 2021, Graduate Education (Master's Program) , 3Term, Special Exercises on Applied Chemistry B
  11. 2021, Graduate Education (Master's Program) , 3Term, Special Exercises on Applied Chemistry B
  12. 2021, Graduate Education (Master's Program) , 4Term, Special Exercises on Applied Chemistry B
  13. 2021, Graduate Education (Master's Program) , Academic Year, Special Study on Applied Chemistry
  14. 2021, Graduate Education (Master's Program) , Academic Year, Special Study on Applied Chemistry

Research Activities

Academic Papers

  1. Synthesis, optical and electrochemical properties of propeller-type 3,5,8-trithienyl-BODIPY dyes, Materials Chemistry Frontiers, 4(9), 2762-2771, 20200723
  2. ★, Fluorescent Supramolecular Mechanophores Based on Charge-Transfer Interactions, Chemical Communications, 56(57), 7937-7940, 20200605
  3. Development of Fluorescent Sensors Based on a Combination of PET (Photo-induced Electron Transfer) and FRET (Förster Resonance Energy Transfer) for Detection of Water, Materials Advances, 1(3), 354-362, 20200512
  4. Cell Adhesion Control by Photoinduced Lcst Shift of PNIPAAm-Based Brush Scaffolds, Journal of Materials Chemistry B, 8(12), 2393-2399, 20200328
  5. Phenazine-Based Photosensitizers for Singlet Oxygen Generation, Materials Chemistry Frontiers, 4(2), 589-596, 20200201
  6. Development of an Intramolecular Charge Transfer-Type Colorimetric and Fluorescence Sensor for Water by Fusion with a Juloidine Structure and Complexation with Boron Trifluoride, RSC Advances, 9(54), 31466-31473, 20191007
  7. Synthesis and Photophysical and Electrochemical Properties of Pyridine-, Pyrazine- and Triazine-Based (D-p-)2A Fluorescent Dyes, Beilstein Journal of Organic Chemistry, 15, 1712-1721, 20190722
  8. Fluorescent Sensor for Water Based on Photo-Induced Electron Transfer and Förster Resonance Energy Transfer: Anthracene-(Aminomethyl)Phenylboronic Acid Ester-Bodipy Structure, RSC Advances, 9(27), 15335-15340, 20190516
  9. ★, The Photoregulation of a Mechanochemical Polymer Scission, Nature Communications, 9(1), 3504, 20180829
  10. Photoresponsive Fiber Scaffolds with a Core-Sheath Nanostructure for Regulating Cell Behaviors, Journal of Materials Chemistry B, 6(14), 2052-2056, 20180316
  11. Reorganizable and Stimuli-Responsive Polymers Based on Dynamic Carbon–Carbon Linkages in Diarylbibenzofuranones, Polymer, 137, 395-413, 20180214
  12. Photoregulation of Retro-Diels Alder Reaction at the Center of Polymer Chains, Chemistry Letters, 46(7), 992-994, 20170422
  13. Dynamic Covalent Diarylbibenzofuranone-Modified Nanocellulose: Mechanochromic Behaviour and Application in Self-Healing Polymer Composites, Polymer Chemistry, 8(13), 2115-2122, 20170313
  14. Enhancing Mechanochemical Activation in the Bulk State by Designing Polymer Architectures, ACS Macro Letters, 5(10), 1124-1127, 20161018
  15. Polymer-Inorganic Composites with Dynamic Covalent Mechanochromophore, Macromolecules, 49(16), 5903-5911, 20160823
  16. ★, Repeatable Mechanochemical Activation of Dynamic Covalent Bonds in Thermoplastic Elastomers, Chemical Communications, 52(69), 10482-10485, 20160718
  17. Autonomously Substitutable Organosilane Thin Films Based on Dynamic Covalent Diarylbibenzofuranone Units, Chemistry Letters, 45(1), 36-38, 20160101
  18. Mechanochromic Dynamic Covalent Elastomers: Quantitative Stress Evaluation and Autonomous Recovery, ACS Macro Letters, 4(11), 1307-1311, 20151109
  19. Metathesis-Driven Scrambling Reactions between Polybutadiene or Naturally Occurring Polyisoprene and Olefin-Containing Polyurethane, Polymer, 78, 145-153, 20151105
  20. ★, Self-Healing of a Cross-Linked Polymer with Dynamic Covalent Linkages at Mild Temperature and Evaluation at Macroscopic and Molecular Levels, Macromolecules, 48(16), 5632-5639, 20150825
  21. Diarylbibenzofuranone-Based Dynamic Covalent Polymer Gels Prepared via Radical Polymerization and Subsequent Polymer Reaction, Gels, 1(1), 58-68, 20150703
  22. ★, Mechanophores with a Reversible Radical System and Freezing-Induced Mechanochemistry in Polymer Solutions and Gels, Angewandte Chemie - International Edition, 54(21), 6168-6172, 20150518
  23. ★, Network Reorganization of Dynamic Covalent Polymer Gels with Exchangeable Diarylbibenzofuranone at Ambient Temperature, Journal of the American Chemical Society, 136(33), 11839-11845, 20140820
  24. Plasticizer-Promoted Thermal Crosslinking of a Dynamic Covalent Polymer with Complementarily Reactive Alkoxyamine Units in the Side Chain under Bulk Conditions, Bulletin of the Chemical Society of Japan, 87(9), 1023-1025, 20140101
  25. Insertion Metathesis Depolymerization of Aromatic Disulfide-Containing Dynamic Covalent Polymers under Weak Intensity Photoirradiation, Chemistry Letters, 42(11), 1346-1348, 20131111
  26. Reversibly Crosslinked Polymeric Micelles Formed by Autonomously Exchangeable Dynamic Covalent Bonds, Chemistry Letters, 42(4), 377-379, 20130415
  27. ★, Self-Healing of Chemical Gels Cross-Linked by Diarylbibenzofuranone-Based Trigger-Free Dynamic Covalent Bonds at Room Temperature, Angewandte Chemie - International Edition, 51(5), 1138-1142, 20120127

Publications such as books

  1. 2017/09/08, Dynamic Covalent Chemistry: Principles, Reactions and Applications, Self-Healing Polymers through Dynamic Covalent Chemistry, Wiley, 2017, 09, Scholarly Book, Joint work, English, Imato, Keiichi; Otsuka, Hideyuki, 359–387

Invited Lecture, Oral Presentation, Poster Presentation

  1. Thermally Stable and Photoresponsive Molecular Machines for Manipulating Polymer Structures and Properties, Keiichi Imato, Ayane Sasaki, Ayumu Yamane, Ichiro Imae, Yousuke Ooyama, The 14th International Symposium on Organic Reactions and the 44th Symposium on Organic Electron Transfer Chemistry, 2020/04/24, Without Invitation, English, Yokohama
  2. Development of Force- and Photo-Responsive Functional Polymeric Materials, Keiichi Imato, 2019 PHyM Young Scientists Forum, 2019/11/13, With Invitation, Japanese, Sendai
  3. Force-Reporting and Self-Healing Polymeric Materials Based on Charge-Transfer Interaction, Keiichi Imato, The NCU-HU Joint Symposium 2019, 2019/11/01, With Invitation, English, Taoyuan, Taiwan
  4. Development of Mechanoprobes That Are Based on Charge-Transfer Interactions between Fluorescent Dyes and Can Detect Forces Generated in Polymeric Materials, Keiichi Imato, Ryota Yamanaka, Hidekazu Nakajima, Naoya Takeda, JACM 2019 Annual Conference, 2019/10/24, Without Invitation, Japanese, Tokyo
  5. Force-Reporting and Self-Healing Materials Based on Charge-Transfer Interaction, Keiichi Imato, 2019 HU-PNU Joint Symposium on Sustainable Materials, 2019/07/09, With Invitation, English, Higashi-Hiroshima
  6. Perfect photoswitching of phase-separated structures formed by block copolymer thin films and spatio-temporal control of cell behavior, Keiichi Imato, Masato Sakano, Naoya Takeda, The 68th SPSJ Annual Meeting, 2019/05/30, Without Invitation, Japanese, Osaka
  7. Functional Polymeric Materials Based on Charge-Transfer Interaction, Keiichi Imato, Asian International Symposium - Electrochemistry - in the 99th CSJ Annual Meeting, 2019/03/18, With Invitation, English, Kobe

Awards

  1. 2019/10/25, Presentation Award, Japan Society of Colour Material, 高分子材料に生じる力を検出可能な蛍光色素間の電荷移動相互作用に基づくメカノプローブの開発
  2. 2019/06/06, Research Award for Young Scientists, Japan Association for Chemical Innovation, マイクロナノ表面パターンの光可逆的変換による細胞挙動の時空間制御
  3. 2018/03/06, Research Award for Young Scientists, Waseda University and JXTG Nippon Oil & Energy, 高分子材料の損傷・修復の高精度評価を実現する可逆的微小応力検出プローブの開発
  4. 2017/09/06, Publicity Award in the 66th Symposium on Macromolecules, The Society of Polymer Science, Japan, Myotube formation in thixotropic cellulose gel centered in multi-layered fiber scaffold
  5. 2017/04/21, Sasakawa Scientific Research Award for Young Scientists, The Japan Science Society, 可逆的な化学反応に基づく繰り返し駆動可能な応力検知材料の開発
  6. 2017/02/03, Inoue Research Award for Young Scientists, Inoue Foundation for Science, Preparation of Functional Cross-Linked Polymers Based on Dynamic Covalent Chemistry
  7. 2014/05/23, GSC Poster Award in the 3rd JACI/GSC Symposium, Japan Association for Chemical Innovation, Self-healing of a Cross-linked Polymer with Autonomously Exchangeable Dynamic Covalent Bonds
  8. 2014/04/10, CSJ Student Presentation Award 2014 in the 94th Annual Meeting of the Chemical Society of Japan, The Chemical Society of Japan, Unusual Mechanical Properties and Self-healing Behavior of a Cross-linked polymer with Autonomously Exchangeable Dynamic Covalent Bonds
  9. 2013/11/02, Poster Award in Japan-Korea Joint Symposium 2013, Tokyo Institute of Technology, Freezing-Induced Mechanochromism in Polymer Gels with Diarylbibenzofuranone-Based Dynamic Covalent Bonds
  10. 2012/12/14, IPC 2012 Young Scientist Poster Award, The Society of Polymer Science, Japan, Freezing-Induced Chromism in Polymer Gels with Mechanocleavable Dynamic Covalent Bonds
  11. 2012/09/27, Poster Award in the 60th Rheology Symposium, The Society of Rheology, Japan, Properties of Polymeric Gels Cross-linked by Exchangeable Dynamic Covalent Bonds at Room Temperature
  12. 2011/09/22, Outstanding Poster Award in the 3rd Asian Symposium on Advanced Materials, Kyushu University, Self-healing properties of cross-linked polymers with radically exchangeable dynamic covalent bond units
  13. 2010/11/26, Poster Award in the 47th Meeting of Kyushu Branch Offices of Chemical Societies, Japan, The Society of Polymer Science, Japan, 自発的に結合組み換え可能な架橋高分子の合成と特性解析