NEWS
- News 日本粘土学会奨励賞を受賞しました!/Yohei was awarded The Clay Science Society of Japan Award for Young Scientist!
- News 光化学協会奨励賞を受賞しました!/Yohei was awarded The Japanese Photochemistry Association Award for Young Scientist!
- News 科学技術分野の文部科学大臣表彰 若手科学者賞を受賞しました! / Yohei was awarded the MEXT Prize for Young Scientists!
- Team 山口くんがチームに加わりました! / Shohei Joined our lab!
- Publications Langmuir Invited Feature Article
TEAM
VACANCIES
Position available here
RESEARCH
“Ultimately, when you look at any biological question it becomes a chemical problem” – Venkatraman Ramakrishnan. Nobel Prize in Chemistry, 2009
生命は、私たちの世界で最も洗練され、不思議に満ちた現象です。 私たちは「生命を理解し、模倣し、凌駕する!」ことを目指し、あらゆる化学現象を自在に操ることが可能な無機タンパク質「inorganic Protein」の概念を提唱することを目指しています。現在、主に4つのプロジェクトが稼働しています。
- Keywords
- 人工光合成、光化学/光触媒、電子移動、
フェルスターエネルギー移動、超分子集合体
- Materials
- 無機ナノシート、粘土鉱物、有機色素、
量子ドット/金属ナノ粒子/原子精度金属クラスター、タンパク質/酵素
- Techniques
- 有機/無機合成、電子顕微鏡、レーザー超速分光
Project 01
Inorganic Leaf /
人工光合成
エネルギー問題・環境問題が深刻な中、太陽光エネルギーを新たなエネルギー源として利用する科学技術を生み出すことは人類の存続を賭けた喫緊の課題です。
植物の光合成反応はその理想系と言っても良いほど高度に光エネルギーを変換していますが、その鍵となるのはタンパク質が提供している高度な「場」です。私たちは独自の反応場制御手法により光合成反応のエッセンスを再現することに成功しており、これを発展させエネルギー問題、地球温暖化への懸念といった地球規模課題の解決を目指しています。
Project 02
分子と分子 集合体を見る
私たちが目指している分子集合系はとても柔軟で結晶性を持たないので、一般にX線・NMR・分光などの手法による膨大な分子の平均化された情報を解釈しています。
しかし、そのような手法ではわからないことが多くあります。分子間の距離、向きはどうなっているのか?遠い分子間にも相互作用は働くのか?ホスト環境に応じて分子構造はどう変化するのか?
私たちは、原子分解能の電子顕微鏡装置によりこれまで到達できなかった1分子レベルの構造や電子状態の観察を可能にする新しい手法の開発に挑戦しています。
Project 03
無機タンパク質で 有機タンパクを操る
私たちが自在に操ることができる人工反応場は巨大分子といえるタンパク質に対してもはたらきます。捕捉したタンパクの機能を改変することで、一般的に熱に弱いタンパク質製剤の高温安定化、空間的な隔離による「凝集による失活を起こさない」タンパク質の保存、有機溶媒中でも安定な酵素反応、タンパク構造変化による新たな酵素反応の開発など、ライフサイエンスへの技術応用を目指しています。
Project 04
無機生命をつくる /
生命の起源
生命とは何か?約40億年前の原始地球にはアミノ酸、核酸塩基、炭水化物といった「生命の原料」が存在したことがわかっていますが、このような単純な有機分子からDNA/RNAへの進化が自然発生的に進行するとは考え難く、「原初の情報保持を担ったDNA/RNAの前駆体=より機能の低い劣化版遺伝子」が存在したのではないかとささやかれています。
私たちは、初期地球環境で豊富に存在した粘土鉱物がその遺伝子前駆体であったかもしれないと夢見て、無機物質による情報伝達システムと「無機生命体」の概念の創出に挑戦しています。これは、原初の有機生命体が生まれた起源の解明につながると同時に、現在の機械/コンピューターとはまったく異なる情報処理化学システムの概念を生み出すことを目指しています。
Fundings / Supports
- JSPS 基盤研究C 2021–2023
- 東京応化科学技術振興財団、2023
- 東電記念財団、2022–2023 + 2024–2026
- 他7件が進行中
PUBLICATIONS
Original papers
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1.
Hoque, M. M.; Black, D. M.; Castellanos, L.; Ishida, Y.; Vachet, R. W.; Whetten, R. L. “Electrospray charging patterns enable precise characterization of high-mass gold nanoclusters by [HPLC]-ESI-MS” Comm. Chem. 2024, xx, xxx–xxx. DOI:
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2.
Lee, D.; Ishida, Y.; Yonezawa, T. “Unexpected Reactivity of Cationic-to-Cationic Thiolate Ligand-Exchange Reaction on Au25 Clusters” Langmuir 2023, 39, 8435–8440. DOI: 10.1021/acs.langmuir.3c00499. link
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3.
Akita, I.; Ishida, Y.; Yonezawa, T. “Mixed Metal-Atom Markers Enable Simultaneous Imaging of Spatial Distribution in Two-Dimensional Heterogeneous Molecular Assembly by Scanning Transmission Electron Microscopy” ACS Meas. Sci. Au 2022, 2, 542−546. DOI: 10.1021/acsmeasuresciau.2c00043. link
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4.
Narita, K.; Ishida, Y.; Nukui, S.; Huang, Z.; Yonezawa, T. “Surface Menshutkin SN2 Reaction on Basic Gold Clusters Provides Novel Opportunities for the Cationization and Functionalization of Molecular Metal Clusters” J. Phys. Chem. Lett. 2021, 12, 11761–11765. DOI: 10.1021/acs.jpclett.1c03498. link 【Supplemental Cover Art】
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5.
Akita, I.; Ishida, Y.; Yonezawa, T. “Direct Imaging of Individual Organic Molecules in Supramolecular Assembly Strongly Fixed via Multivalent Electrostatic Interactions” J. Phys. Chem. C 2021, 125, 4917–4923. DOI: 10.1021/acs.jpcc.1c00738. link
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6.
Akita, I.; Ishida, Y.; Yonezawa, T. “Distinctive Stability of a Free-Standing Monolayer Clay Mineral Nanosheet via Transmission Electron Microscopy” Phys. Chem. Chem. Phys. 2020, 22, 25095–25102. DOI: 10.1039/D0CP04659K. link
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7.
Akita, I.; Ishida, Y.; Yonezawa, T. “Atomic-Scale Imaging of a Free-Standing Monolayer Clay Mineral Nanosheet Using Scanning Transmission Electron Microscopy” J. Phys. Chem. Lett. 2020, 11, 3357–3361. DOI: 10.1021/acs.jpclett.0c00758. link 【Supplemental Cover Art】
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8.
Akita, I.; Ishida, Y.; Yonezawa, T. “Counting the Layer Number of Free-Standing Montmorillonite Nanosheets using Annular Dark Field Scanning Transmission Electron Microscopy” Clay Sci. 2019, 23, 41–45. DOI: 10.11362/jcssjclayscience.23.3 41. link
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9.
Huang, Z.; Ishida, Y.; Yonezawa, T. “Basic [Au₂₅(SCH₂CH₂Py)₁₈]–·Na+ Clusters: Synthesis, Layered Crystallographic Arrangement, and Unique Surface Protonation” Angew. Chem. Int. Ed. 2019, 58, 13411–13415. DOI: 10.1002/ange.201908905. link
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10.
Narita, K.; Ishida, Y.; Yonezawa, T.; Huang, Z. “Super Polycationic Molecular Compounds: Au144 (SR+)60 Clusters” J. Phys. Chem. C 2019, 123, 21768–21773. DOI: 10.1021/acs.jpcc.9b05319. link
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11.
Ishida, Y.; Suzuki, J.; Akita, I.; Yonezawa, T. “Ultra-rapid Cationization of Gold Nanoparticles via a Single-step Ligand Exchange Reaction” Langmuir 2018, 34, 10668−10672. DOI: 10.1021/acs.langmuir.8b02226. link 【ACS Editors’ Choice】
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12.
Ishida, Y.; Morita, M.; Tokunaga, T.; Yonezawa, T. “Sputter Deposition Towards Short Cationic Thiolated Fluorescent Gold Nanoclusters: Investigation of their Unique Structural and Photophysical Characteristics Using High-Performance Liquid Chromatography” Langmuir 2018, 34, 4024–4030. DOI: 10.1021/acs.langmuir.8b00067. link
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13.
Huang, Z.; Ishida, Y.; Narita, K.; Yonezawa, T. “Kinetics of Cationic-Ligand-Exchange Reactions in Au25 Nanoclusters” J. Phys. Chem. C 2018, 122, 18142–18150. DOI: 10.1021/acs.jpcc.8b05371. link
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14.
Cempel, D.; Nguyen, M. T.; Ishida, Y.; Tokunaga, T.; Yonezawa, T. “Ligand Free Green Plasma-in-Liquid Synthesis of Au/Ag Alloy Nanoparticles” New J. Chem. 2018, 42, 5680–5687. DOI: 10.1039/C7NJ05154A. link
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15.
Cempel, D.; Nguyen, M. T.; Ishida, Y.; Yonezawa, T. “L-arginine Stabilized Highly Uniform Ag Nanoparticles Prepared in Microwave Induced Plasma-in-Liquid Process (MWPLP)” Bull. Chem. Soc. Jpn. 2018, 91, 362–367. DOI: 10.1246/bcsj.20170327. link
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16.
Ishida, Y.; Akita, I.; Pons, T.; Yonezawa, T.; Hildebrandt, N. “Real-Space Investigation of Energy Transfer Through Electron Tomography” J. Phys. Chem. C 2017, 121, 28395–28402. DOI: 10.1021/acs.jpcc.7b10628. link
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17.
Ishida, Y.; Motono, S.; Doshin, W.; Tokunaga, T.; Tsukamoto, H.; Yonezawa, T. “Small Nanosized Oxygen-Deficient Tungsten Oxide Particles; Mechanistic Investigation with Controlled Plasma Generation in Water for Their Preparation” ACS Omega 2017, 2, 5104–5110. DOI: 10.1021/acsomega.7b00986. link
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18.
Corpuz, R. D.; Ishida, Y.; Nguyen, M. T.; Yonezawa, T. “Synthesis of Positively Charged Photoluminescent Bimetallic Au-Ag Nanoclusters by Double Target Sputtering Method on a Biocompatible Polymer Matrix” Langmuir 2017, 33, 9144–9150. DOI: 10.1021/acs.langmuir.7b02011. link
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19.
Juan, L. M. Z.; Nguyen, M. T.; Yonezawa, T.; Tokunaga, T.; Tsukamoto, H.; Ishida, Y. “Structural Control Parameters for Formation of Single-Crystalline β-Sn Nanorods in Organic Phase” Cryst. Growth Des. 2017, 17, 4554–4562. DOI: 10.1021/acs.cgd.7b00227. link
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20.
Corpuz, R. D.; Ishida, Y.; Yonezawa, T. “Synthesis of Cationically Charged Photoluminescent Coinage Metal Nanoclusters by Sputtering over Liquid Polymer Matrix” New J. Chem. 2017, 41, 6828–6833. DOI: 10.1039/C7NJ01369H. link
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21.
Ishida, Y.; Huang, Y.-L.; Yonezawa, T.; Narita, K. “Charge Neutralization Strategy: A Novel Synthetic Approach to Fully Cationized Thiolate-Protected Au25(SR+)18 Clusters with Atomic Precision” ChemNanoMat 2017, 3, 298–302. DOI: 10.1002/cnma.201700012. link
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22.
Ishida, Y.; Nakabayashi, R.; Corpuz, R. D.; Yonezawa, T. “Water-Dispersible Fluorescent Silver Nanoparticles via Sputtering Deposition over Liquid Polymer Using a Very Short Thiol Ligand” Colloid Surf. A 2017, 518, 25–29. DOI: 10.1016/j.colsurfa.2017.01.022. link
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23.
Nishimoto, M.; Yonezawa, T.; Cempel, D.; Nguyen, M. T.; Ishida, Y.; Tsukamoto, H. “Effect of H2O2 on Au Nanoparticle Preparation Using Microwave-Induced Plasma in Liquid” Mater. Chem. Phys. 2017, 193, 7–12. DOI: 10.1016/j.matchemphys.2017.02.009 link
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24.
Porta, M.; Nguyen, M. T.; Yonezawa, T.; Tokunaga, T.; Ishida, Y.; Tsukamoto, H.; Shishino, Y.; Hatakeyama, Y. “Titanium Oxide Nanoparticle Dispersions in a Liquid Monomer and Solid Polymer Resin Prepared by Sputtering” New J. Chem. 2016, 40, 9337–9343. DOI: 10.1039/C6NJ01624C. link
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25.
Porta, M.; Nguyen, M. T.; Ishida, Y.; Yonezawa, T. “Highly Stable and Blue-emitting Copper Nanocluster Dispersion Prepared by Magnetron Sputtering over Liquid Polymer Matrix” RSC Adv. 2016, 6, 105030–105034. DOI: 10.1039/C6RA17291A. link
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26.
Porta, M.; Nguyen, M. T.; Tokunaga, T.; Ishida, Y.; Liu, W.-R. ; Yonezawa, T. “Matrix Sputtering into Liquid Mercaptan: From Blue-Emitting Copper Nanoclusters to Red-Emitting Copper Sulfide Nanoclusters” Langmuir 2016, 32, 12159–12165. DOI: 10.1021/acs.langmuir.6b03017. link
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27.
Ishida, Y.; Narita, K.; Yonezawa, T.; Whetten, R. L. “Fully-Cationized Gold Clusters: Synthesis of Au25(SR+)18” J. Phys. Chem. Lett. 2016, 7, 3718–3722. DOI: 10.1021/acs.jpclett.6b01725. link
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28.
Ishida, Y.; Akita, I.; Sumi, T.; Matsubara, M.; Yonezawa, T. “Thiolate–Protected Gold Nanoparticles Via Physical Approach: Unusual Structural and Photophysical Characteristics” Sci. Rep. 2016, 6, 29928:1–14. DOI: 10.1038/srep29928. link
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29.
Ishida, Y.; Ramasamy, E.; Shimada, T.; Ramamurthy, V.; Takagi, S. “Room Temperature Phosphorescence from a Guest Molecule Confined in Restrictive Space of an Organic–Inorganic Supramolecular Assembly” Photochem. Photobiol. Sci. 2016, 15, 959–963. DOI: 10.1039/C6PP00124F. link
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30.
Akita, I.; Ishida, Y.; Yonezawa, T. “Ligand Effect on the Formation of Gold Nanoparticles via Sputtering Deposition over a Liquid Matrix” Bull. Chem. Soc. Jpn. 2016, 89, 1054–1056. DOI: 10.1246/bcsj.20160187. link
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31.
Ishida, Y.; Udagawa, S.; Yonezawa, T. “Understanding the Primary and Secondary Aggregation States of Sputtered Silver Nanoparticles in Thiolate Matrix and Their Immobilization in Resin” Colloid Surf. A 2016, 504, 437–441. DOI: 10.1016/j.colsurfa.2016.05.035 link
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32.
Ishida, Y.; Udagawa, S.; Yonezawa, T. “Growth of Sputtered Silver Nanoparticles on a Liquid Mercaptan Matrix with Controlled Viscosity and Sputter Rate” Colloid Surf. A 2016, 498, 106–111. DOI: 10.1016/j.colsurfa.2016.03.044. link
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33.
Nguyen, M. T.; Shirai, H.; Tiankanon, C.; Tsukamoto, H.; Ishida, Y.; Yonezawa, T. “Reproducible Shape Control of Single-Crystal SnO Micro Particles” RSC Adv. 2016, 6, 26725-26733. DOI: 10.1039/c5ra25676c link
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34.
Cempel, D.; Nguyen, M. T.; Ishida, Y.; Tsukamoto, H.; Shirai, H.; Wang, Y.; Wu, K. C.-W.; Yonezawa, T. “Au nanopaticles prepared using a coated electrode in plasma-in-liquid process: Effect of the solution pH” J. Nanosci. Nanotech. 2016, 6, 9257–9262. DOI: 10.1166/jnn.2016.12923. link
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35.
Shirai, H.; Nguyen, M. T.; Ishida, Y.; Yonezawa, T. “A New Approach for Additive-free Room Temperature Sintering of Conductive Patterns Using Polymer-stabilized Sn Nanoparticles” J. Mater. Chem. C 2016, 4, 2228–2234. DOI: 10.1039/c6tc00161k. link
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36.
Corpuz, R. D.; Ishida, Y.; Yonezawa, T. “Controlling an electrostatic repulsion by oppositely charged surfactants towards positively charged fluorescent gold nanoclusters” Phys. Chem. Chem. Phys. 2016, 18, 8773–8776. DOI: 10.1039/C6CP00538A. link
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37.
Fujimura, T.; Ramasamy, E.; Ishida, Y.; Shimada, T.; Takagi, S.; Ramamurthy, V. “Sequential Energy and Electron Transfer in a Three-component System Aligned on a Clay Nanosheet” Phys. Chem. Chem. Phys. 2016, 18, 5404–5411. DOI: 10.1039/C5CP06984J. link
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38.
Liao, Y.-T.; Chen, J. E.; Ishida, Y.; Yonezawa, T.; Chang, W. C.; Alshehri, S. M.; Yamauchi, Y.; Wu, K. C.-W. “De Novo Synthesis of Gold-Nanoparticle-Embedded, Nitrogen-Doped Nanoporous Carbon Nanoparticles (Au@NC) with Enhanced Reduction Ability” ChemCatChem 2015, 8, 502–509. DOI: 10.1002/cctc.201501020. link
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39.
Matsubara, M.; Yonezawa, T.; Minoshima, T.; Tsukamoto, H.; Yong, Y.; Ishida, Y.; Nguyen, M. T.; Tanaka, H.; Okamoto, K.; Osaka, T. “Proton-assisted Low-temperature Sintering of Cu Fine Particles Stabilized by a Proton-initiating Degradable Polymer” RSC Adv. 2015, 5, 102904–102910. DOI: 10.1039/c5ra21402e. link
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40.
Ishida, Y.; Chaiyathat, L.; Yonezawa, T. “A Novel Physical Approach for Cationic-Thiolate Protected Fluorescent Gold Nanoparticles” Sci. Rep. 2015, 5, 15372–15377. DOI: 10.1515/pac-2014-0906. link
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41.
Ishida, Y.; Motokane, Y.; Tokunaga, T.; Yonezawa, T. “Plasma-Induced Tungsten Doping of TiO2 Nanoparticles for Enhanced Photocatalysis using Visible Light” Phys. Chem. Chem. Phys. 2015, 17, 24556–24559. DOI: 10.1039/c5cp03400k. link
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42.
Ishida, Y.; Sumi, T.; Yonezawa, T. “Sputtering Synthesis and Optical Investigation of Octadecanethiol–Protected Fluorescent Au Nanoparticles” New J. Chem. 2015, 39, 5895–5897. DOI: 10.1039/C5NJ01011J. link
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43.
Lu, X.; Ishida, Y.; Mishina, T.; Nguyen, M. T.; Yonezawa, T. “Enhanced Terahertz Emission from CuxO/Metal Thin Film Deposited on Columnar-Structured Porous Silicon” Bull. Chem. Soc. Jpn. 2015, 88, 1385–1387. DOI: 10.1246/bcsj.20150173. link
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44.
Lu, X.; Ishida, Y.; Nguyen, M. T.; Yonezawa, T. “Synthesis and Fluorescence Properties of Nanoisland-Structured SiOx/CuxO Composite” J. Mater. Chem. C 2015, 3, 8358–8363. DOI: 10.1039/C5TC01685A. link
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45.
Lu, X.; Ishida, Y.; Yonezawa, T. “Synthesis and Fluorescence Property of Columnar Porous Silicon: the Influence of Cu-Coating on Photoluminescence Behaviours from Hydrofluoric-Acid-Treated Aged Columnar Porous Silicon” New J. Chem. 2015, 39, 6267–6273. DOI: 10.1039/C5NJ00909J. link
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46.
Ishida, Y.; Doshin, W.; Tsukamoto, H.; Yonezawa, T. “Black TiO2 Nanoparticles by a Microwave-induced Plasma over Titanium Complex Aqueous Solution” Chem. Lett. 2015, 44, 1327–1329. DOI: 10.1246/cl.150531. link
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47.
Ishida, Y.; Jirasupangkul, T.; Yonezawa, T.“One-Pot Preparation of Cationic Charged Pt Nanoparticles Through an Autocatalytic Hydrolysis of Acetylthiocholine” New J. Chem. 2015, 39, 4214–4217. DOI: 10.1039/C5NJ00420A. link
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48.
Ishida, Y.; Nakabayashi, R.; Matsubara, M.; Yonezawa, T. “Silver Sputtering into Liquid Matrix Containing Mercaptans: the Systematic Size Control of Silver Nanoparticles in Single Nanometer–Orders” New J. Chem. 2015, 39, 4227-4230. DOI: 10.1039/C5NJ00294J. link
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49.
Sumi, T.; Motono, S.; Ishida, Y.; Shirahata, N.; Yonezawa, T. “Formation and Optical Properties of Fluorescent Gold Nanoparticles Obtained by Matrix Sputtering Method with a Volatile Mercaptan Molecules in the Vacuum Chamber and Consideration of Their Structures” Langmuir 2015, 31, 4323–4329. DOI: 10.1021/acs.langmuir.5b00294. link
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50.
Xue, C.; Narushima, T.; Ishida, Y.; Tokunaga, T.; Yonezawa, T. “Double-Wall TiO2 Nanotube Arrays: Enhanced Photocatalytic Activity and in Situ TEM Observations at High Temperature” ACS Appl. Mater. Interfaces 2014, 6, 19924–19932. DOI: 10.1021/am505333v. link
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51.
Xue, C.; Narushima, T.; Ishida, Y.; Tokunaga, T.; Yonezawa, T. “In Situ TEM Observation of Double-Wall TiO2 Nanotube Arrays at High Temperature” Chem. Lett. 2014, 43, 1514–1516. DOI: 10.1246/cl.140486. link
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52.
Ishida, Y.; Shimada, T.; Takagi, S. ““Surface-Fixation Induced Emission” of Porphyrazine Dye by a Complexation with Inorganic Nanosheets” J. Phys. Chem. C 2014, 118, 20466–20471. DOI: 10.1021/jp506766t. link
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53.
Ishida, Y.; Kulasekharan, R.; Shimada, T.; Ramamurthy, V.; Takagi, S. “Supramolecular–Surface Photochemistry: Supramolecular Assembly Organized on a Clay Surface Facilitates Energy Transfer Between an Encapsulated Donor and a Free Acceptor” J. Phys. Chem. C, 2014, 118, 10198–10203. DOI:10.1021/jp502816j. link
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54.
Ishida, Y.; Laurent, C.; Antonietti, M.; Shalom, M. “Morphology Control and Photocatalysis Enhancement by the One-Pot Synthesis of Carbon Nitride from Preorganized Hydrogen-Bonded Supramolecular Precursors” Langmuir, 2014, 30, 447–451. DOI: 10.1021/la404101h. link
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55.
Ohtani, Y.; Ishida, Y.; Ando, Y.; Tachibana, H.; Shimada, T.; Takagi, S. “Adsorption and Photochemical Behaviors of the novel cationic xanthene derivative on the clay surface” Tetrahedron Lett. 2014, 55, 1024–1027. DOI: 10.1016/j.tetlet.2013.12.072. link
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56.
Ishida, Y.; Shimada, T.; Takagi, S. “Artificial Light-Harvesting Model in a Self-Assembly Composed of Cationic Dyes and Inorganic Nanosheet” J. Phys. Chem. C 2013, 117, 9154–9163. DOI: 10.1021/jp4022757. link
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57.
Takagi, S.; Shimada, T.; Ishida, Y.; Fujimura, T.; Masui, D.; Tachibana, H.; Inoue, H. “Size-Matching Effect on Inorganic Nano-sheets: Control of Distance, Alignment, Orientation of Molecular Adsorption as a Bottom-up Methodology for Nano-materials” Langmuir 2013, 29, 2108–2119. DOI: 10.1021/la3034808 link 【Invited Feature Article, Cover Art】
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58.
Ishida, Y.; Kulasekharan, R.; Shimada, T.; Takagi, S.; Ramamurthy, V. “Efficient Singlet-Singlet Energy Transfer in a Novel Host-Guest Assembly Composed of an Organic Cavitand, Aromatic Molecules and Clay Nano-sheet” Langmuir 2013, 29, 1748–1753. DOI: 10.1021/la305148j. link
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59.
Hagiwara, S.; Ishida, Y. Masui, D.; Shimada, T.; Takagi, S. “Photochemical Properties of Cationic Pyrene Derivative and Energy Transfer Reaction between Pyrene and Porphyrin on the Clay Surface” Clay Sci.2013, 17, 7–10. DOI: 10.11362/jcssjclayscience.17.1_7. link
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60.
Ishida, Y.; Masui, D.; Shimada, T.; Tachibana, H.; Inoue, H.; Takagi, S. “Controlling the Micro-adsorption Structure of Porphyrin Dye Assembly on Clay Surfaces using the “Size-Matching Rule” for Constructing an Efficient Energy Transfer System” ACS Appl. Mater. Interfaces 2012, 4, 811–816. DOI: 10.1021/am201465a. link
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61.
Ishida, Y.; Masui, D.; Shimada, T.; Tachibana, H.; Inoue, H.; Takagi, S. “The mechanism of the porphyrin spectral shift on inorganic nanosheets: the molecular flattening induced by the strong host-guest interaction due to the “size-matching rule”” J. Phys. Chem. C 2012, 116, 7879–7885. DOI: 10.1021/jp300842f. link
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62.
Shimada, T.; Hamatani, S.; Onodera, S.; Ishida, Y.; Inoue, H.; Takagi, S. “Investigation of adsorption behavior and energy transfer of cationic porphyrins on clay surface at low lading levels by picosecond time-resolved fluorescence measurement” Res. Chem. Intermed. 2012, 39, 269–278. DOI: 10.1007/s11164-012-0647-1. link
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63.
Hagiwara, S.; Ishida, Y.; Masui, D.; Shimada, T.; Takagi S. “Unique photochemical behavior of novel tetracationic pyrene derivative on the clay surface” Tetrahedron Lett.2012, 53, 5800–5802. DOI: 10.1016/j.tetlet.2012.08.079. link
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64.
Ishida, Y.; Shimada, T.; Tachibana, H.; Inoue, H.; Takagi, S. “Regulation of the collisional self-quenching of fluorescence in clay/porphyrin complex by the strong host-guest interaction” J. Phys. Chem. A 2012, 116, 120 65–12072. DOI: 10.1021/jp309502j. link
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65.
Ishida, Y.; Shimada, T.; Masui, D.; Tachibana, H.; Inoue, H.; Takagi, S. “Efficient excited energy transfer reaction in clay/porphyrin complex toward an artificial light-harvesting system” J. Am. Chem. Soc. 2011, 133, 14280–14286. DOI: 10.1021/ja204425u. link
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66.
Ishida, Y.; Fujimura, T.; Masui, D.; Shimada, T.; Tachibana, H.; Inoue, H.; Takagi, S. “What lowers the efficiency of an energy transfer reaction between porphyrin dyes on clay surface?” Clay Sci. 2011, 15, 169–174. DOI: 10.11362/jcssjclayscience.15.4_169. link
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67.
Egawa, T.; Watanabe, H.; Fujimura, T.; Ishida, Y.; Yamato, M.; Masui, D.; Shimada, T.; Tachibana, H.; Inoue, H.; Takagi, S. “Novel methodology to control the adsorption structure of cationic porphyrins on the clay surface using the “size-matching rule”” Langmuir 2011, 27, 10722–10729. DOI: 10.1021/la202231k. link
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68.
Takagi, S.; Konno, S.; Ishida, Y.; Ceklovsky, A.; Masui, D.; Shimada, T.; Tachibana, H.; Inoue, H. “A unique “Flattening Effect” of clay on the photochemical properties of metalloporphyrins” Clay Sci., 2010, 14, 235–239. DOI: 10.11362/jcssjclayscience.14.6_235. link
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69.
Takagi, S.; Shimada, T.; Masui, D.; Tachibana, H.; Ishida, Y.; Tryk, D. A.; Inoue, H. “Unique solvatochromism of a membrane composed of a cationic porphyrin-clay complex” Langmuir 2010, 26, 4639–4641. DOI: 10.1021/la1007928. link
Reviews & Accounts
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70.
Yohei Ishida “Atomic-Scale Imaging of Clay Mineral Nanosheets and Their Supramolecular Complexes through Electron Microscopy: A Supramolecular Chemist’s Perspective” Langmuir 2024, 40, 6065–6076. https://doi.org/10.1021/acs.langmuir.3c03779 link 【Invited Feature Article】
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71.
Ishida, Y. “Manipulation of Precise Molecular Arrangements and Their Photochemical Properties on Inorganic Surfaces via Multiple Electrostatic Interactions” Bull. Chem. Soc. Jpn.2021, 94, 2886–2897. DOI: 10.1246/bcsj.20210303. link 【Award Account, CSJ Award for Young Chemists 2020, Cover Art】
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72.
秋田郁美、石田洋平、米澤徹 「単層粘土鉱物ナノシートの原子分解能ADF-STEM観察と電子線照射耐性」ナノ学会会報、2020, 19,9–13. link
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73.
石田洋平 「無機ナノシート表面で誘起される特異な分子光化学挙動」、ナノ学会会報、2018, 16, 41–45. link
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74.
Ishida, Y.; Corpuz, R. D.; Yonezawa, T. “Matrix Sputtering Method: A Novel Physical Approach for Photoluminescent Noble Metal Nanoclusters” Acc. Chem. Res. 2017, 50, 2986−2995. DOI: 10.1021/acs.accounts.7b00470. link
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75.
石田洋平、松本大地、米澤徹 「マイクロ波液中プラズマ法による可視光応答型光触媒ナノ粒子群の合成」、Acc. Mater. Surf. Res. 2017, 2, 137–144.
https://www.hyomen.org/wp-content/uploads/papers/vol2_no5/yonezawa/yonezawa_35.pdf link
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76.
Tokieda, D.; Tsukamoto, T.; Ishida, Y.; Ichihara, H.; Shimada, T.; Takagi, T. “Unique fluorescence behavior of dyes on the clay minerals surface: Surface Fixation Induced Emission (S-FIE)” J. Photochem. Photobiol. A 2017, 339, 67–79. DOI: 10.1016/j.jphotochem.2017.01.013. link
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77.
石田洋平、米澤徹「無機ナノシートを基板とした有機分子二次元配列と光化学反応」、高分子論文集(総合論文)、2016, 73, 12–18. DOI: 10.1295/koron.2015-0051. link
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78.
石田洋平「無機ナノシート上での分子配列制御と光化学反応」、化学と工業 飛翔する若手研究者、2016, 69, 983–984. link
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79.
石田洋平、米澤徹「マトリクススパッタリング法による特異な蛍光性ナノフルイド」、化学工学、2016, 80, 156–159. link
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80.
石田洋平「ナノシート上での分子集合構造制御により達成される高効率光化学反応過程」、日本化学会研究会低次元系光機能材料研究会ニュースレター、2016, 12, 10-12. link
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81.
Ishida, Y. “Manipulation of Supramolecular 2D Assembly of Functional Dyes Toward Artificial Light- Harvesting Systems”
Pure Appl. Chem. 2015, 1, 3–14. DOI: 1515/pac-2014-0906. link 【Award Account, IUPAC-SORVAY International Prize for Young Chemist 2014】
Books
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82.
Ishida, Y.; Takagi, S. “Surface–Fixation Induced Emission” in “Handbook of Aggregation-Induced Emission” Editors: Tang, Y. and Tang, B. Z., Wiley, 2022, Volume 1, Chapter 7, 203–220. link
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83.
Ishida, Y.; Takagi, S. “Tuning emission properties by dye encapsulation into layered silicate” in “Dyes and Photoactive Molecules in Microporous Systems” Editors: Martínez, M. V. and López, A. F., Springer Nature, 2020, chapter 5, 185–204. link
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84.
石田洋平、高木慎介「錯体化合物辞典」、朝倉書店、2019、p43. link
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85.
Ishida, Y.; Takagi, S. “Photoenergy conversion” in “Inorganic Nanosheets and Related Materials: Fundamentals and Applications of Two‐Dimensional Systems”, Editors: Nakato, T.; Kawamata, J.; Takagi, S. Springer, 2018, Chapter II–6. link
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86.
石田洋平、高木慎介 「光化学の舞台としての無機ナノシート」、「CSJカレントレビュー第25号二次元物質の科学」化学同人、2017、11章. link
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87.
石田洋平、嶋田哲也、高木慎介
「ポルフィリンを用いた光捕集材の開発”」、「光合成研究と産業応用最前線 第2編 産業応用を見据えた実用化研究–水素生成、人工光合成、有機太陽電池」エヌ・ティー・エス、2014、第1章第2節. link
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88.
石田洋平、高木慎介
「無機ナノシートの表面構造を利用した分子配列制御—人工光合成系構築を目指して−」 監修:笹井亮、高木克彦「革新機能材料の開発と応用展開—粘土鉱物、ナノシート、メソ孔シリカと有機系層状材料を利用して—」シーエムシー出版、2012、46–55. link
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