Sagara Takamasa

サガラタカマサ | Sagara Takamasa

Affiliation and department：
Job title： Professor
Homepage URL (2)： http://www.cms.nagasaki-u.ac.jp/lab/douteki/jp/index.html , http://www.ch.nagasaki-u.ac.jp/mol/

Research field (3)： Polymer materials , Basic physical chemistry , Functional solid-state chemistry

Research keywords (12)： Electrochemistry of Dynamic Soft-matters , Molecular Robot , Molecules with Engines , Functional Polymers , Molecular Device , Hydrogel , Electrochemistry , Organized Molecular Assembly , Analytical Electrochemistry , Chemistry of Nano-structures (Nano-regulated Interface and Thin Films) , Redox-active Ionic Liquids and Related Physical Chemistry and Applications , Dynamic Spectroelectrochemistry for Molecular Organization

Research theme for competitive and other funds (24)：

2023 - 2025 Establishment of underwater electromechanically-driven soft robots consisting solely of chemical blocks
2021 - 2023 Driving a smart gel crawling on an electrode surface by biomimetic mechanisms
2019 - 2022 ITO電極上に平坦高配向高密度のレドックス活性有機単分子膜を被覆する手法の開発と評価
2019 - 2021 電気化学駆動でスパズモネームのように伸縮する自立ヒドロゲル発動系構築
2018 - 2019 酸化還元により高速大振幅の可逆伸縮を起こす紐状およびシート状高分子ヒドロゲル材料の高度化

2016 - 2018 酸化還元による相転移とへリックスの状態変化の相乗作用で動く高分子ヒドロゲルの創製

2015 - 2017 電極表面上の有機単分子膜を二次元伝搬する反応フロントの実時間追跡

2015 - 2017 分子ロボットアームとしての高速大振幅な自発伸縮系の構築

2012 - 2015 In Situ Spectroelectrochemical Study of Nano-to-Macroscopic Dynamis of Thin Liquid and Adsorption Films on Electrode Surfaces

2008 - 2008 光-分子-電気二重層場の複合強結合系としての電極/金属ナノ粒子界面の分光応答

2006 - 2007 金ナノリングの超配列組織の創出と可視-近赤外領域における光電子機能高度化

2004 - 2006 Potential-driven reversible regulation of hierarchical dynamics of nano-entities and functionalization of electrified interfaces

2001 - 2006 Mechanisms and Applications of Photocatalytic Reactions in the Gas Phase

2003 - 2004 電極界面における金属ナノ粒子のプラズモン光励起下の局所環境計測と光電子機能

2002 - 2003 Real time tracking of the propagation of phase-transition front induced by potential control for organic thin films on electrode surfaces

1999 - 2002 組織化と機能領域(第1期)「電極表面上での分子集合組織変化-動的機構の解明と機能発現-」

1999 - 2000 Electrochemical Regulation of the Dynamic Behavior of Mososcopic Molecular Assemblies at Solid-Liquid Interfaces

1997 - 1998 特殊形状の電極における紫外・可視域の分光電気化学測定新手法の開発

1996 - 1996 光合成の光誘起電荷分離機構をモデル化した素構造を組み込んだ超薄膜の光電気化学

1995 - 1995 光合成の光励起電荷分離機構をモデル化した素構造を組み込んだ超薄膜の光電気化学

1994 - 1995 Establishment of highly-sensitive spectroelectrochemical reflection measurement system for the characterization of structures and electrochemical functions of organic thin films

1992 - 1994 Development of the Instrument for UV-visible Electroreflectance Measurement for Analysing Redox Behavior of Adsorbed Monolayrs on Electrode Surfaces

1993 - 1993 酸化還元種を閉じ込めたグリッド電極上超薄膜の電気伝導の電極電位と光とによる制御

1991 - 1992 Foundamental Studies on Bioelectric Devices

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Papers (137)：

Hironobu Tahara, Masaki Miyaji, Hiroto Murakami, Takamasa Sagara. Determination Method of Diffusion Coefficient in a Neat Redox-Active Ionic Liquid at a Microdisk Electrode in the Domains Ranging from the Steady-State to Potentiodynamic Near-Steady-State. Analytical Chemistry. 2023. 95. 26. 9822-9830
Masaki TOYOHARA, Takamasa SAGARA. Anion-dominated Redox Reaction of a SAM of an Alkylthiolated Viologen Bearing a Covalently-attached Intramolecular Sulfonate Group on a Gold Electrode. Electrochemistry. 2022. 90. 11. 117004-117004
Takamasa Sagara, Masaki Toyohara. Comparison between polycrystalline Au and single-crystalline Au(111) electrodes as the substrate of a cationic organic monolayer based on their anion dependent redox activities. Journal of Electroanalytical Chemistry. 2022. 919. 116514-116514
Yasuhiko TANAKA, Yuuki JOHNO, Tadashi OKOBIRA, Takamasa SAGARA. Stabilization of Fine Bubbles by Molecular Film Covering. JAPANESE JOURNAL OF MULTIPHASE FLOW. 2022. 36. 1. 115-119
Takamasa Sagara, Youichi Hagi, Masaki Toyohara. Binding of Sulfate-Terminated Surfactants with Different Alkyl Chain Lengths to Viologen Sites Covalently Embedded in the Interior of a Self-Assembled Monolayer on a Au Electrode. Langmuir. 2022. 38. 3. 979-986

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MISC (100)：

Takamasa Sagara, Andrew Akbashev. Electrochemical Online Colloquium at Midnight. Review of Polarography. 2022. 68. 2. 109-111
Time and Scientific Discussion. 2020. 66. 1. 1-3
豊原将己, 相樂隆正. 電気分析化学、ここが難しい! Part 3: 2. 前段または後続平衡がある系の挙動. Review of Polarography. 2018. 64. 2. 100-105
清水康博, 相樂隆正, 他実行委員会一同. 2017年電気化学秋季大会報告. Electrochemistry. 2017. 85. 12. 816-820
Electrochromism of viologen type ionic liquids. 2017. 117. 168. 1-3

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Books (15)：

理工系の大学基礎化学
培風館 2019 ISBN:4563046299
エレクトロクロミックデバイスの開発最前線
シーエムシー出版 2019 ISBN:9784781314235
「電気化学測定と解析テクニック事例集」第2章第4項“修飾電極の測定ー基礎と応用”
情報機構 2009
“Dynamic Behaviors of Molecular Assemblies and Nano-Substances at Electrified Interfaces”,in Bottom-up Nanofabrication: Supramolecules, Self-Assemblies, and Organized Films
American Scientific Publishers 2009
「ベーシック分析化学」付録2“人工の機能物質と分析化学”
化学同人 2006

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Lectures and oral presentations (360)：

「漏れのないバイポーラ参照電極」と「金属ブリッジ」への見解
(電気化学会第91回大会 2024)
レドックスで電気的に中性となるレドックスイオン液体のサイクリックボルタンメトリー
(電気化学会第91回大会 2024)
Incorporation of metal nano-structures in a redox-active viologen-pendant polymer hydrogel with high deformability
(The 25 th Joint Seminar of the Busan Branch of the Korean Chemical Society, (KCS) and the Kyushu Branch of the Chemical Society of Japan (CSJ) 2023)
Regulation of assembling structure and redox of viologen monolayer on ITO
(The 25 th Joint Seminar of the Busan Branch of the Korean Chemical Society, (KCS) and the Kyushu Branch of the Chemical Society of Japan (CSJ) 2023)
ITO 電極上のビオロゲン配向膜の構造制御と機能
(第69回ポーラログラフィーおよび電気分析化学討論会 2023)

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Education (3)：

1984 - 1987 Graduate School of Engineering, Doctoral course of Industrial Physical Chemistry, The University of Tokyo
1982 - 1984 Graduate School of Engineering, Master-degree course on Synthetic Chemistry, The University of Tokyo
1978 - 1982 Yokohama National University

Professional career (1)：

Doctor of Philosophy (Engineering) (The University of Tokyo)

Work history (10)：

2024/04 - 現在 Nagasaki University Graduate School of Integrated Science and Technology Professor
2011/04 - 2024/03 Nagasaki University Graduate school of Engineering Professor
2013/06 - 2013/08 Special part-time Graduate-School Professor, Tokyo Institute of Technology, Interdisciplinary Graduate School of Science and Engineering
2006/04 - 2011/03 Nagasaki University Faculty of Engineering
2009/11 - 2009/12 Kumamoto University Faculty of Engineering, Department of Applied Chemistry and Biochemistry

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Committee career (21)：

2023/01 - 現在日本ポーラログラフ学会討論会担当理事
2022/06 - 現在電気化学会分子機能電極研究会幹事
2002/01 - 現在 NEDO審査員ほか、各種審査員
1996/01 - 現在日本ポーラグラフ学会評議員, 理事を歴任
2020/03 - 2024/03 Deputy Editor-in-Chief of "Electrochemistry"

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Awards (5)：

2023/10 - 日本ポーラログラフ学会 2023年度志方国際メダル Analytical Electrochemical Studies of Dynamic Processes at Electrode/Solution Interfaces
2023/02 - The electrochemical Society of Japan Fellow of The electrochemical Society of Japan
2019/06 - (独)日本学術振興会特別研究員等優秀審査員表彰
2014/10 - (独)日本学術振興会科研費優秀審査員表彰 (第一段審査)
1994/03 - 日本化学会進歩賞 1994年

Association Membership(s) (9)：

THE CHEMICAL SOCIETY OF JAPAN , 電気化学会 , 日本分光学会 , International Society of Electrochemistry (国際電気化学会) , Electrochemical Society (電気化学会(米国)) , 日本化学会 , The Polarographic Society of Japan , American Chemical Society (アメリカ化学会) , THE SOCIETY OF POLYMER SCIENCE

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