OHARA Keishi 小原敬士

… Alternative Names

小原啓士オハラケイシ

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Researcher Number	10284390
Other IDs
External Links
Affiliation (Current)	2025: 愛媛大学, 理工学研究科(理学系), 教授
Affiliation (based on the past Project Information) *help	2016 – 2022: 愛媛大学, 理工学研究科(理学系), 教授 2017: 愛媛大学, 大学院理工学研究科, 教授 2015: 愛媛大学, 理工学研究科, 教授 2012 – 2014: 愛媛大学, 理工学研究科, 准教授 2010 – 2011: 愛媛大学, 大学院・理工学研究科, 准教授 … More 2008: Ehime University, 大学院理工学研究科, 准教授 2007 – 2008: Ehime University, 理工学研究科, 准教授 2006: Ehime University, Faculty of Science, PhD., 理工学研究科, 助手 2003 – 2005: 愛媛大学, 理学部, 助手 1996 – 2001: Ehime Univ. Faculty of Science, Assistant, 理学部, 助手 Less
Review Section/Research Field	Principal Investigator Physical chemistry / Basic Section 38050:Food sciences-related / Food science / Physical pharmacy / Physical chemistry Except Principal Investigator 機能・物性・材料 / Science and Engineering / Food science / Functional materials chemistry / Physical chemistry / Physical chemistry
Keywords	Principal Investigator 一重項酸素 / 抗酸化 / 近赤外 / 生体分子 / 活性酸素 / 食品・飲料 / ラジカル / 抗酸化評価 / Reaction Rate / Spin Dynamics … More / Emulsion / Singlet Oxygen / Reactive Oxygen Species / Antioxidant / 反応速度 / スピンダイナミクス / 懸濁液系 / キャピラリー / スポット / 微量試料 / 時間分解計測 / 近赤外光 / 食品機能 / スポット計測 / 薬剤反応性 / 化学物理 / 過渡吸収 / スーパーオキシド / 近赤外発光 / 懸濁系 / 化学反応 / 時間分解ESR / ラジカル三重項対機構 / 時間分離ESR / ミセル / スピンプローブ / CIDEP … More Except Principal Investigator スピンパイエルス転移 / フェルダジルラジカル / TCNQ / Ni(dmit)_2 / Antioxidant Activity / 天然抗酸化剤 / 抗酸化活性 / Vitamin E / ビタミンE / Spin-Peierls Transition / FT-EPR / CIDEP / 時間分解ESR / サリチルアルデヒド / 一重項酸素 / プロトン移動 / 磁気伝導体 / 磁化率 / ラジカル結晶 / 超伝導 / 有機強磁性 / 分子磁性 / 食品機能 / Heat Capacity Measurement / Verdazyl Radical / Semiconductor / Superconductivity / Ferromagnetism / 比熱測定 / 半導体 / 強磁性 / Active Oxygen / Free Radical / Singlet Oxygen / Ubiguinol / Flay onoids / Catechins / 一重工酸素 / フランボン類 / 活性酸素 / フリーラジカル / ユビキノール / フラボン類 / カテキン類 / Oxygen Absorption Method / Time Resolved ESR / Stopped- flow Spectrophotometer / Radical-Scavenging-Rate / Catechin / Caffeic Acid / Antioxidant / ストップフロー / ラジカルスカベンジャー / 酸素吸収法 / 酸素吸収性 / ストップトフロー分光光度計 / ラジカル消去速度 / カテキン / コーヒー酸 / 抗酸化剤 / Antioxidant Reaction / Intramolecular Hydrogen Bond / Node / Excited-State Dependence / Salicylaldehyde / Proton Transfer / Excited State / 置換基効果 / 抗酸化作用 / 分子内水素結合 / 節 / 励起状態依存性 / 励起状態 / Heat Capacity / Magnetic Susceptibility / Radical Crystal / Verdazyl / Organic Weak Ferromagnetism / Organic Ferromagnetism / Molecular Magnetism / 比熱 / フェルダジル / 有機弱強磁性 / Phenotiazine / Photochemical initial process / xanthone / Time-Resolved EPR / フェノチアジン / 光反応初期過程 / Xanthone / フラボノイド / アロエ / 内殻励起 / 紫外線防御 / 節面モデル / ESIPT / 結晶構造 Less

Construction of multifaceted antioxidant activity evaluation procedures based on time-resolved measurement of near-infrared lightPrincipal Investigator
- Principal Investigator
  
  Ohara Keishi
- Project Period (FY)
  2018 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 38050:Food sciences-related
- Research Institution
  Ehime University
Development of Antioxidative Absorption Capacity Assay Method for Foods
- Principal Investigator
  
  Nagaoka Shin-ichi
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Food science
- Research Institution
  Ehime University
A new efficient method for antioxidant activity evaluation based on the time-resolved optical measurement in near-infrared regionPrincipal Investigator
- Principal Investigator
  
  OHARA Keishi
- Project Period (FY)
  2014 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Food science
- Research Institution
  Ehime University
Antioxidant activity evaluation of trace sample by the spot measurement of singlet oxygen luminescence lifetimePrincipal Investigator
- Principal Investigator
  
  OHARA Keishi
- Project Period (FY)
  2010 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Physical pharmacy
- Research Institution
  Ehime University
Kinetics and Spin-Dynamics in Quenching Reactive Oxygen Species with Natural Antioxidants in Dispersion / Emulsion SystemsPrincipal Investigator
- Principal Investigator
  
  OHARA Keishi
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Physical chemistry
- Research Institution
  Ehime University
Mechanism of Excited-State Proton-Transfer- From Near-Infrared to Soft X-ray -
- Principal Investigator
  
  NAGAOKA Shin-ichi
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Physical chemistry
- Research Institution
  Ehime University
Antioxidant Activity of Natural Antioxidants versus Reactive Oxygen Species in Emulsion Systems and Its Spin-DynamicsPrincipal Investigator
- Principal Investigator
  
  OHARA Keishi
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Physical chemistry
- Research Institution
  Ehime University
Spin Dynamics of the Anti-Aging Actions by NaturalAntioxidants
- Principal Investigator
  
  MUKAI Kazuo
- Project Period (FY)
  2003 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  Ehime University
Development of Superconducting Ferromagnet Based on New Verdazyl Radical Complex
- Principal Investigator
  
  MUKAI Kazuo
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Functional materials chemistry
- Research Institution
  Ehime University
新規フェルダジルラジカルを用いた分子強磁性体と分子強磁性伝導体の構築
- Principal Investigator
  
  MUKAI Kazuo
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas (B)
- Review Section
  
  Science and Engineering
- Research Institution
  Ehime University
CIDEPスピンプローブ法によるミセル・膜界面での一重項酸素動態の研究Principal Investigator
- Principal Investigator
  
  小原敬士
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Physical chemistry
- Research Institution
  Ehime University
Natural Antioxidants : Their Activities and Action Mechanism
- Principal Investigator
  
  MUKAI Kazuo
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (B).
- Research Field
  
  機能・物性・材料
- Research Institution
  Ehime University
A Study of Excited -State-Proton-Transfer Reaction
- Principal Investigator
  
  NAGAOKA Shin-ichi
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Physical chemistry
- Research Institution
  Ehime University
FT-ESR Study of Initial Process of Phtochemical Reactions
- Principal Investigator
  
  HIROTA Noboru
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Institution
  KYOTO UNIVERSITY
Syntheses of New Verdazyl Radicals and Mechanism of Appearance of Genuine Organic Ferromagnetism and Weak Ferromagnetism
- Principal Investigator
  
  MUKAI Kazuo
- Project Period (FY)
  1996 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  機能・物性・材料
- Research Institution
  Ehime University

[Journal Article] Synthesis of bicyclo[2.2.2]octadiene-fused 5,15-diazaporphyrin and 10-azacorrole with <i>meso</i>-imine bridges2023
- Author(s)
  Okujima Tetsuo、Ueda Yuki、Inoue Manami、Mori Shigeki、Ohara Keishi、Takase Masayoshi、Uno Hidemitsu、Naito Toshio
- Journal Title
  
  Journal of Porphyrins and Phthalocyanines
  
  Volume: - Issue: 01n04 Pages: 402-407
- DOI
  10.1142/s1088424623500074
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K05082, KAKENHI-PROJECT-18K05533, KAKENHI-PROJECT-19K05422
[Journal Article] Solvent effect on activities of aryloxyl‐radical scavenging and singlet‐oxygen quenching reactions by vitamin E: Addition of water to ethanol solution2022
- Author(s)
  Nagaoka Shin‐ichi、Nomoto Nanaho、Tasaka Tomohiko、Nagashima Umpei、Matsumoto Takatoshi、Ohara Keishi
- Journal Title
  
  International Journal of Chemical Kinetics
  
  Volume: 54 Issue: 10 Pages: 570-576
- DOI
  10.1002/kin.21596
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K05533
[Journal Article] Activity correlation among singlet-oxygen quenching, free-radical scavenging and excited-state proton-transfer in hydroxyflavones: Substituent and solvent effects2021
- Author(s)
  Nagaoka Shin-ichi、Bandoh Yuki、Matsuhiroya Satoki、Inoue Kazumasa、Nagashima Umpei、Ohara Keishi
- Journal Title
  
  Journal of Photochemistry and Photobiology A: Chemistry
  
  Volume: 409 Pages: 113122-113122
- DOI
  10.1016/j.jphotochem.2020.113122
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K05533, KAKENHI-PROJECT-18K05518
[Journal Article] Radially π-Extended Pyrrole-Fused Azacoronene: A Series of Crystal Structures of HPHAC with Various Oxidation States2021
- Author(s)
  Sasaki Yoshiki、Takase Masayoshi、Kobayashi Nagao、Mori Shigeki、Ohara Keishi、Okujima Tetsuo、Uno Hidemitsu
- Journal Title
  
  The Journal of Organic Chemistry
  
  Volume: 86 Issue: 5 Pages: 4290-4295
- DOI
  10.1021/acs.joc.0c02825
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K05533, KAKENHI-PROJECT-19K05422, KAKENHI-PROJECT-18K05086, KAKENHI-PROJECT-20H02725, KAKENHI-PROJECT-18K05076
[Journal Article] Synthesis, Structures, and Properties of Core-Expanded Azacoronene Analogue: A Twisted π-System with Two N-Doped Heptagons2018
- Author(s)
  Oki Kosuke、Takase Masayoshi、Mori Shigeki、Shiotari Akitoshi、Sugimoto Yoshiaki、Ohara Keishi、Okujima Tetsuo、Uno Hidemitsu
- Journal Title
  
  Journal of the American Chemical Society
  
  Volume: 140 Issue: 33 Pages: 10430-10434
- DOI
  10.1021/jacs.8b06079
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K05086, KAKENHI-PROJECT-18K05533, KAKENHI-PROJECT-18K18990, KAKENHI-PROJECT-16K05698, KAKENHI-PROJECT-26450160, KAKENHI-PROJECT-18H03859
[Journal Article] Dye-Sensitized Molecular Charge Transfer Complexes: Magnetic and Conduction Properties in the Photoexcited States of Ni(dmit)2 Salts Containing Photosensitive Dyes2017
- Author(s)
  Yamamoto Ryoma、Yamamoto Takashi、Ohara Keishi、Naito Toshio
- Journal Title
  
  Magnetochemistry
  
  Volume: 3 Issue: 2 Pages: 1-16
- DOI
  10.3390/magnetochemistry3020020
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15K05478, KAKENHI-PROJECT-26450160
[Journal Article] 近赤外発光スポット検出によるゲル中での一重項酸素消去活性計測2017
- Author(s)
  小原敬士
- Journal Title
  
  C & I Commun.
  
  Volume: 42 Pages: 28-30
- NAID
  40021247062
- Data Source
  KAKENHI-PROJECT-26450160
[Journal Article] Correlation among Singlet-Oxygen Quenching, Free-Radical Scavenging, and Excited-State Intramolecular-Proton-Transfer Activities in Hydroxyflavones, Anthocyanidins, and 1-Hydroxyanthraquinones2017
- Author(s)
  Nagaoka Shin-ichi, Bandoh Yuki, Nagashima Umpei, Ohara Keishi
- Journal Title
  
  JOURNAL OF PHYSICAL CHEMISTRY A
  
  Volume: 121 Issue: 42 Pages: 8069-8079
- DOI
  10.1021/acs.jpca.7b07869
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26450160, KAKENHI-PROJECT-15K07431
[Journal Article] Template Synthesis of Decaphyrin without Meso-Bridges: Cyclo[10]pyrrole2016
- Author(s)
  T. Okujima, C. Ando, S. Agrawal, H. Matsumoto, S. Mori, K. Ohara, I. Hisaki, T. Nakae, M. Takase, H. Uno, and N. Kobayashi
- Journal Title
  
  journal of the American Chemical Society
  
  Volume: 138 Issue: 24 Pages: 7540-7543
- DOI
  10.1021/jacs.6b04941
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PUBLICLY-15H00910, KAKENHI-PUBLICLY-15H00998, KAKENHI-PLANNED-25110003, KAKENHI-PROJECT-26410052, KAKENHI-PROJECT-15K04591, KAKENHI-PROJECT-26450160, KAKENHI-PROJECT-15K17825, KAKENHI-PROJECT-16K17893
[Journal Article] Direct Control of Spin Distribution and Anisotropy in Cu-Dithiolene Complex Anions by Light2016
- Author(s)
  Hiroki Noma, Keishi Ohara, Toshio Naito
- Journal Title
  
  Inorganics
  
  Volume: 4 Issue: 2 Pages: 7-7
- DOI
  10.3390/inorganics4020007
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26450160
[Journal Article] ビタミンEの一重項酸素消去速度に及ぼす金属塩の効果2016
- Author(s)
  長岡伸一、高橋京香、中村明日香、小原敬士、向井和男
- Journal Title
  
  ビタミンE研究の進歩
  
  Volume: XVII Pages: 53-56
- Data Source
  KAKENHI-PROJECT-15K07431
[Journal Article] A Study of UV Care by Molecules Contained in Aloe - UV Protection and Singlet-Oxygen Quenching2015
- Author(s)
  長岡伸一、小原敬士
- Journal Title
  
  Fragrance J. Korea
  
  Volume: 2015-7 Pages: 88-93
- NAID
  40020512126
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K07431
[Journal Article] アロエ含有物によるUVケアの研究－紫外線防御と一重項酸素消去作用2015
- Author(s)
  長岡伸一, 小原敬士
- Journal Title
  
  フレグランスジャーナル
  
  Volume: 43 Pages: 67-72
- NAID
  40019435246
- Data Source
  KAKENHI-PROJECT-26450160
[Journal Article] アロエ含有物によるUVケアの研究－紫外線防御と一重項酸素消去作用2015
- Author(s)
  長岡伸一、小原敬士
- Journal Title
  
  フレグランスジャーナル
  
  Volume: 43(6) Pages: 67-72
- NAID
  40019435246
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K07431
[Journal Article] Correlation Between Excited-State Intramolecular Proton-Transfer and Singlet-Oxygen Quenching Activities in 1-(Acylamino)anthraquinones2015
- Author(s)
  S. Nagaoka, H. Endo, K. Ohara, and U. Nagashima
- Journal Title
  
  J. Phys. Chem. B
  
  Volume: 119 Issue: 6 Pages: 2525-2532
- DOI
  10.1021/jp508355k
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24658123, KAKENHI-PROJECT-26450160
[Journal Article] Synthesis of NIR-emitting O-chelated BODIPYs fused with benzene and acenaphthylene2014
- Author(s)
  T. Okujima, Y. Shida, K. Ohara, Y. Tomimori, M. Nishioka, S. Mori, T. Nakae, and H. Uno
- Journal Title
  
  J. Porphyrins Phthalocyanines
  
  Volume: 18 Issue: 08n09 Pages: 752-761
- DOI
  10.1142/s1088424614500503
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-25110003, KAKENHI-PROJECT-26410052, KAKENHI-PROJECT-26450160
[Journal Article] Scavenging rate constants of hydrophilic antioxidants against multiple reactive oxygen species2014
- Author(s)
  Y. Sueishi, M. Hori, M. Ishikawa, K. Matsu-ura, E. Kamogawa, Y. Honda, M. Kita, K. Ohara
- Journal Title
  
  Journal of Clinical Biochemistry and Nutrition
  
  Volume: 54 Issue: 2 Pages: 67-74
- DOI
  10.3164/jcbn.13-53
- NAID
  130004879353
- ISSN
  0912-0009, 1880-5086
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038, KAKENHI-PROJECT-25450169
[Journal Article] Multi-emitting Properties of Hybrid Langmuir-Blodgett Films of Amphiphilic Iridium Complexes and the Exfoliated Nanosheets of Saponite Clay2014
- Author(s)
  H. Sato, K. Tamura, K. Ohara, S. Nagaoka
- Journal Title
  
  New Journal of Chemistry
  
  Volume: vol.38 (1) Issue: 1 Pages: 132-139
- DOI
  10.1039/c3nj00879g
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038, KAKENHI-PROJECT-23350069, KAKENHI-PROJECT-23655200, KAKENHI-PROJECT-26288039
[Journal Article] Acenaphthylene-fused cyclo[8]pyrroles with intense NIR region absorption bands2013
- Author(s)
  T. Okujima, C. Ando, J. Mack, S. Mori, I. Hisaki, T. Nakae, H. Yamada, K. Ohara, N. Kobayashi, H. Uno
- Journal Title
  
  Chemistry - A European Journal
  
  Volume: vol.19 (41) Issue: 41 Pages: 13970-13978
- DOI
  10.1002/chem.201301294
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038, KAKENHI-PROJECT-23350020, KAKENHI-PROJECT-24655133, KAKENHI-PUBLICLY-25109502, KAKENHI-PLANNED-25110003, KAKENHI-PROJECT-23350095
[Journal Article] Dual Emitting Langmuir-Blodgett Films of Cationic Iridium Complexes and Montmorillonite Clay for Oxygen Sensing2012
- Author(s)
  K. Morimoto, T. Nakae, K. Ohara, K. Tamura, S. Nagaoka, H. Sato
- Journal Title
  
  New Journal of Chemistry(A NJC Hot Article)
  
  Volume: vol.36 (12) Issue: 12 Pages: 2467-2471
- DOI
  10.1039/c2nj40351j
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038, KAKENHI-PROJECT-23350069, KAKENHI-PROJECT-23655200, KAKENHI-PROJECT-24655133
[Journal Article] Molecular Photo-conductor with Simultaneously Photo-controllable Localized Spins2012
- Author(s)
  T. Naito, T. Karasudani, S. Mori, K. Ohara, K.Konishi, T. Takano, Y. Takahashi, T. Inabe, S. Nishihara, K. Inoue
- Journal Title
  
  J. Am. Chem. Soc
  
  Volume: 134 Issue: 45 Pages: 18656-18666
- DOI
  10.1021/ja306260b
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22350055, KAKENHI-PROJECT-22590038, KAKENHI-PROJECT-23655178, KAKENHI-PROJECT-24350095, KAKENHI-PUBLICLY-23110701
[Journal Article] Molecular photoconductor with simultaneously photocontrollable localized spins2012
- Author(s)
  T. Naito, T. Karasudani, S. Mori, K. Ohara, K. Konishi, T. Takano, Y. Takahashi, T. Inabe, S. Nishihara, K. Inoue
- Journal Title
  
  Journal of the American Chemical Society
  
  Volume: vol.134 Pages: 18656-18666
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038
[Journal Article] A time-resolved luminescence study on singlet oxygen quenching by hydroxycinnamic acids under acidic, neutral and basic conditions2012
- Author(s)
  K. Ohara, K. Doi, Y. Niizaki, S. Nagaoka
- Journal Title
  
  Journal of Photochemistry and Photobiology A : Chemistry
  
  Volume: vol.249 (1) Pages: 1-8
- DOI
  10.1016/j.jphotochem.2012.08.021
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038, KAKENHI-PROJECT-23350069
[Journal Article] Simultaneous Control of Carriers and Localized Spins with Light in Organic Materials2012
- Author(s)
  T. Naito, T. Karasudani, K. Ohara,T. Takano, Y. Takahashi, T. Inabe, K. Furukawa, T. Nakamura
- Journal Title
  
  Adv. Mater
  
  Volume: 24 Issue: 46 Pages: 6153-6157
- DOI
  10.1002/adma.201203153
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22350055, KAKENHI-PROJECT-22590038, KAKENHI-PUBLICLY-23110701
[Journal Article] Hybridization of Clay Minerals with the Floating Film of a Cationic Ir(III) Complex at an Air-water Interface2011
- Author(s)
  H. Sato, K. Tamura, K. Ohara, S. Nagaoka, A. Yamagishi
- Journal Title
  
  New Journal of Chemistry
  
  Volume: vol.35 (2) Issue: 2 Pages: 394-399
- DOI
  10.1039/c0nj00534g
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038
[Journal Article] Cyclo[8]isoindoles : Ring-Expanded and Annelated Porphyrinoids2011
- Author(s)
  T. Okujima, G. Jin, N. Matsumoto, J. Mack, S. Mori, K. Ohara, D. Kuzuhara, C. Ando, N. Ono, H. Yamada, H. Uno, N. Kobayashi
- Journal Title
  
  Angewandte Chemie International Edition
  
  Volume: vol.50 Issue: 25 Pages: 5699-5703
- DOI
  10.1002/anie.201007510
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038, KAKENHI-PLANNED-20108007, KAKENHI-PROJECT-23350095
[Journal Article] A photolysis study on superoxide quenching at water/oil interface of Aerosol OT reversed micelle2011
- Author(s)
  K. Ohara, A. Ikeda, S. Nagaoka
- Journal Title
  
  Journal of Photochemistry and Photobiology A : Chemistry
  
  Volume: vol.218 (1) Pages: 93-100
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038
[Journal Article] UV protection and singlet-oxygen quenching activity of intramolecularly hydrogen-bonded hydroxyanthraquinone derivatives found in aloe2011
- Author(s)
  S. Nagaoka, K. Ohara, M. Takei, M. Nakamura, M. Mishima, U. Nagashima
- Journal Title
  
  Journal of Photochemistry and Photobiology A : Chemistry
  
  Volume: vol.225 (1) Issue: 1 Pages: 106-112
- DOI
  10.1016/j.jphotochem.2011.10.006
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038, KAKENHI-PROJECT-23350069
[Journal Article] A photolysis study on superoxide quenching at water/oil interface of Aerosol OT reversed micelle2011
- Author(s)
  K.Ohara, A.Ikeda, S.Nagaoka
- Journal Title
  
  Journal of Photochemistry and Photobiology A
  
  Volume: Vol.218 Pages: 93-100
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038
[Journal Article] Vitamin K analogue as a new fluorescence probe for quantitative antioxidant assay2010
- Author(s)
  K.Ohara, R.Mitsumori, 他4名
- Journal Title
  
  Journal of Photochemistry and Photobiology A
  
  Volume: Vol.215 Pages: 52-58
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038
[Journal Article] Synthesis, Crystal Structure, and Photodynamics of π-Expanded Porphyrin-Fullerene Dyads Synthesized by Diels-Alder Reaction2010
- Author(s)
  H.Yamada, K.Ohara, 他8名
- Journal Title
  
  The Journal of Physical Chemistry B
  
  Volume: Vol.114 Pages: 14717-14728
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038
[Journal Article] Hybridization of Clay Minerals with the Floating Film of a Cationic Ir(III) Complex at an Air-water Interface2010
- Author(s)
  H.Sato, K.Ohara, 他3名
- Journal Title
  
  New Journal of Chemistry
  
  Volume: Vol.35 Pages: 394-399
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038
[Journal Article] Vitamin K analogue as a new fluorescence probe for quantitative antioxidant assay2010
- Author(s)
  K. Ohara, R. Mitsumori, M. Takebe, D. Kuzuhara, H. Yamada, S. Nagaoka
- Journal Title
  
  Journal of Photochemistry and Photobiology A : Chemistry
  
  Volume: vol.215 (1) Pages: 52-58
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038
[Journal Article] Synthesis, Crystal Structure, and Photodynamics ofπ-Expanded Porphyrin-Fullerene Dyads Synthesized by Diels-Alder Reaction2010
- Author(s)
  H. Yamada, K. Ohkubo, D. Kuzuhara, T. Takahashi, A.S.D. Sandanayaka, T. Okujima, K. Ohara, O. Ito, H. Uno, N. Ono, S. Fukuzumi
- Journal Title
  
  The Journal of Physical Chemistry B
  
  Volume: vol.114 (45) Pages: 14717-14728
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22590038
[Journal Article] Tunneling Effect in Antioxidant Reaction of Flavonoid2009
- Author(s)
  T. Kakiuchi, K. Mukai, K. Ohara, and S. Nagaoka
- Journal Title
  
  Bull. Chem. Soc. Jpn. 82
  
  Pages: 216-218
- NAID
  10025115846
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550020
[Journal Article] Tunneling Effect in Antioxidant Reaction of Flavonoid2009
- Author(s)
  Takuhiro Kakiuchi, Kazuo Mukai, Keishi Ohara, Shin-ichi Nagaoka
- Journal Title
  
  Bulletin of the Chemical Society of Japan 82
  
  Pages: 216-218
- NAID
  10025115846
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550019
[Journal Article] Kinetic Study of Singlet -Oxygen Quenching by Caffeic Acid and Related Phenols2009
- Author(s)
  Keishi Ohara, Yoko Ichimura, Shin-ichi Nagaoka
- Journal Title
  
  Bulletin of the Chemical Society of Japan 82(in print)
- NAID
  10025118439
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550019
[Journal Article] Formation and Decay Dynamics of Vitamin E Radical in the Antioxidant Reaction of Vitamin E2009
- Author(s)
  Kazuo Mukai, Aya Ouchi, Akiko Mitarai, Keishi Ohara, Chihiro Matsuoka
- Journal Title
  
  Bulletin of the Chemical Society of Japan 82
  
  Pages: 494-503
- NAID
  10025117398
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550019
[Journal Article] Kinetic Study of Singlet-Oxygen Quenching by Caffeic Acid and Related Phenols2009
- Author(s)
  Keishi Ohara, Yoko Ichimura, Shin-ichi Nagaoka
- Journal Title
  
  Bulletin of the Chemical Society of Japan 82(in print)
- NAID
  10025118439
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550019
[Journal Article] Time-Resolved EPR Investigation on the Photoreactions of Vitamin K with Antioxidant Vitamins in Micelle Systems2008
- Author(s)
  Keishi Ohara, Yoshimi Hashimoto, Chiaki Hamada, Shin-ichi Nagaoka
- Journal Title
  
  Journal of Photochemistry and Photobiology A : Chemistry 200
  
  Pages: 239-245
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550019
[Journal Article] Behavior of Singlet Oxygen in Vitamin E Emulsion2008
- Author(s)
  K. Ohara, T. Origuchi, K. Kawanishi, and S. Nagaoka
- Journal Title
  
  Bull. Chem. Soc. Jpn. 81
  
  Pages: 345-347
- NAID
  10021074227
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550020
[Journal Article] Behavior of Singlet Oxygen in Vitamin E Emulsion2008
- Author(s)
  Keishi Ohara, Takashi Origuchi, Kanako Kawanishi, Shin-ichi Nagaoka
- Journal Title
  
  Bulletin of the Chemical Society of Japan 81
  
  Pages: 345-347
- NAID
  10021074227
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550019
[Journal Article] Comparison between the Free-Radical-Scavenging Activities with Vitamin E and Ubiquinol in Biological Systems Based on their Reaction Rates : A Research Account2008
- Author(s)
  K. Mukai, A. Tokunaga, S. Itoh, Y. Kanesaki, A. Ouchi, K. Ohara, S. Nagaoka, and K. Abe
- Journal Title
  
  BioFactors 32
  
  Pages: 49-58
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550020
[Journal Article] Comparison between the Free-Radical-Scavenging Activities with Vitamin E and Ubiquinol in Biological Systems Based on their Reaction Rates2008
- Author(s)
  Kazuo Mukai, Aya Ouchi, Keishi Ohara, Shin-ichi Nagaoka, 他
- Journal Title
  
  BioFactors 32
  
  Pages: 49-58
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550019
[Journal Article] Time-Resolved EPR Investigation on the Photoreactions of Vitamin K with Antioxidant Vitamins in Micelle Systems2008
- Author(s)
  K. Ohara, Y. Hashimoto, C. Hamada, and S. Nagaoka
- Journal Title
  
  J. Photochem. Photobiol. A 200
  
  Pages: 239-245
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550020
[Journal Article] Comparison between the free-radical-scavenging activities with vitamin E and ubiquinol in biological systems based on their reaction rates : A researchaccount2008
- Author(s)
  Kazuo Mukai, Aiko Tokunaga, Shingo Itoh, Yu Kanesaki, Aya Ouchi, Keishi Ohara, Shin-ichi Nagaoka, and Kouichi Abe
- Journal Title
  
  Biofactors 32
  
  Pages: 49-58
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550019
[Journal Article] Behavior of Singlet Oxygen in Vitamin E Emulsion2008
- Author(s)
  Keishi Ohara, T. Origuchi, 他
- Journal Title
  
  Bulletin of the Chemical Society of Japan 81
  
  Pages: 345-347
- NAID
  10021074227
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550019
[Journal Article] UV Protection and Singlet Oxygen Quenching Activity of Aloesaponarin I2007
- Author(s)
  S. Nagaoka, K. Ohara, 他
- Journal Title
  
  The Journal of Physical Chemistry B 111
  
  Pages: 13116-13123
- NAID
  110007338063
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550019
[Journal Article] UV Protection and Singlet Oxygen Quenching Activity of Aloesaponarin I2007
- Author(s)
  S. Nagaoka, A. Fujii, M. Hino, M. Takemoto, M. Yasuda, M. Mishima, K. Ohara, A. Masumoto, H. Uno, and U. Nagashima
- Journal Title
  
  J. Phys. Chem B 111
  
  Pages: 13116-13123
- NAID
  110007338063
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550020
[Journal Article] Structure-Activity Relationship of the Free-Radical-Scavenging Reaction by Vitamin E (〓-, 〓-, 〓-, 〓-tocopherol) and Ubiquinol-10 : pH Dependence of the Reaction Rates2007
- Author(s)
  K.Mukai, A.Tokunaga, S.Itoh, Y.Kanesaki, K.Ohara, S.Nagaoka, K.Abe
- Journal Title
  
  J. Phys. Chem. B. 111
  
  Pages: 652-662
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15087104
[Journal Article] Structure-Activity Relationship of the Free-Radical-Scavenging Reaction by Vitamin E (α-, β-, γ-, δ-tocopherol) and Ubiquinol-10 : pH Dependence of the Reaction Rates2007
- Author(s)
  K.Mukai*, A.Tokunaga, S.Itoh, Y Kanesaki, K.Ohara, S.Nagaoka, K.Abe
- Journal Title
  
  J. Phys. Chem. B. 111
  
  Pages: 652-662
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15087104
[Journal Article] UV Protection and Singlet Oxygen Quenching Activity of Aloesaponarin I2007
- Author(s)
  Shin-ichi Nagaoka, Akiko Fujii, Megumi Hino, Mai Takemoto, Misaki Yasuda, Mariko Mishima, Keishi Ohara, Akane Masumoto, Hidemitsu Uno, Umpei Nagashima
- Journal Title
  
  The Journal of Physical Chemistry B 111
  
  Pages: 13116-13123
- NAID
  110007338063
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550019
[Journal Article] An FT-EPR investigation of the anomalous CIDEP in photoreactions of chromone and chromone-2-carboxylic acid with alcohol induced by hydrochloric acid2006
- Author(s)
  K.Ohara, D.M.Martino, H.van Willigen
- Journal Title
  
  Journal of Photochemistry and Photobiology A : Chemistry (In prin)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic Study of Radical-Scavenging and Vitamin E-Regenerating Actions of Edaravone (3-Methyl-I-phenyl-2 pyrazolin-5-one)2006
- Author(s)
  K.Ohara, A.Fujii, Y.Ichimura, K.Sato, K.Mukai
- Journal Title
  
  Bulletin of the Chemical Society of Japan Vol.79・No.3
  
  Pages: 421-426
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] An FT-EPR investigation of the anomalous CIDEP in photoreactions of chromone and chromone-2-carboxylic acid with alcohol induced by hydrochloric acid2006
- Author(s)
  K.Ohara, D.M.Martino, H.van Willigen
- Journal Title
  
  Journal of Photochemistry and Photobiology A : Chemistry (In print)
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic study of radical-scavenging and vitamin E-regenerating actions of edaravone (3-methyl-1-phenyl-2-pyrazolin-5-one)2006
- Author(s)
  K.Ohara
- Journal Title
  
  Bull. Chem. Soc. Jpn. 79
  
  Pages: 421-426
- NAID
  10017310148
- Data Source
  KAKENHI-PROJECT-15087104
[Journal Article] An FT-EPR investigation of the anomalous CIDEP in photoreactions of chromone and chromone-2-carboxylic acid with alcohol induced by hydrochloric acid2006
- Author(s)
  K.Ohara, D.M.Martino, H.van Willigen
- Journal Title
  
  J.Photochem.Photobiol.A : Chem. (In print)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic Study of Radical-Scavenging and Vitamin E-Regenerating Actions of Edaravone(3-Methyl-1-phenyl-2-pyrazolin-5-one)2006
- Author(s)
  K.Ohara, A.Fujii, Y.Ichimura, K.Sato, K.Mukai
- Journal Title
  
  Bulletin of the Chemical Society of Japan Vol.79・No.3
  
  Pages: 421-426
- NAID
  10017310148
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic Study of Radical-Scavenging and Vitamin E-Regenerating Actions of Edaravone (3-Methyl-1-phenyl-2-pyrazolin-5-one)2006
- Author(s)
  K.Ohara, A.Fujii, Y.Ichimura, K.Sato, K.Mukai
- Journal Title
  
  Bull.Chem.Soc.Jpn. 79(3)
  
  Pages: 421-426
- NAID
  10017310148
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic study of free radical-scavenging and vitamin E-regenerating actions by caffeic acid and its related compounds2006
- Author(s)
  K.Ohara
- Journal Title
  
  Bull. Chem. Soc. Jpn. 79
  
  Pages: 1501-1508
- NAID
  10020527917
- Data Source
  KAKENHI-PROJECT-15087104
[Journal Article] Kinetic Study of Mechanism of Free-Radical Scavenging Action in Curcumin; Effects of Solvent and pH2005
- Author(s)
  K.Ohara, W.Mizukami, A.Tokunaga, S.Nagaoka, et al.
- Journal Title
  
  Bulletin of the Chemical Society of Japan Vol.78・No.4
  
  Pages: 615-621
- NAID
  10015463342
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Structure-activity relationship of the tocopherol-regeneration reaction by catechins2005
- Author(s)
  K.Mukai, S.Mitani, K.Ohara, S.Nagaoka
- Journal Title
  
  Free Radical Biology and Medicine Vol.38(In print)
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic study of the quenching reaction of singlet oxygen by tea catechins in ethanol solution2005
- Author(s)
  K.Mukai, S.Nagai, K.Ohara
- Journal Title
  
  Free Radical Biology and Medicine Vol.39・No.6
  
  Pages: 752-761
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic Study of the Quenching Reaction of Singlet Oxygen by Flavonoids in Ethanol Solution2005
- Author(s)
  S.Nagai, K.Ohara, K.Mukai
- Journal Title
  
  J.Phys.Chem.B. 109(9)
  
  Pages: 4234-4240
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Paramagnetic Semiconductors: Hybrid Molecular Materials Based on Ethyl- and Methyl-Pyridinium-Substituted Verdazyl Radical Cations and Ni(dmit)_2 Anion (dmit = 1,3-Dithiol-2-thione-4,5-dithiolate)2005
- Author(s)
  K.Mukai, D.Shiba, K.Yoshida, K.Mukai, H.Hisatou, K.Ohara, Y.Hosokoshi, N.Azuma
- Journal Title
  
  Bull.Chem.Soc.Jpn. 78(12)
  
  Pages: 2114-2123
- NAID
  10017074319
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic Study of the Mechanism of Free-Radical Scavenging Action in Curcumin2005
- Author(s)
  K.Ohara
- Journal Title
  
  Bull.Chem.Soc.Jpn. (In the press)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15550123
[Journal Article] Photochemical Synthesis of Pentacene and its Derivatives2005
- Author(s)
  H.Yamada, Y.Yamashita, M.Kikuchi, H.Watanabe, T.Okujima, H.Uno, T.Ogawa, K.Ohara, N.Ono
- Journal Title
  
  Chem.Eur.J. 11(21)
  
  Pages: 6212-6220
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic Study of the Quenching Reaction of Singlet Oxygen by Flavonoids in Ethanol Solution2005
- Author(s)
  S.Nagai, K.Ohara, K.Mukai
- Journal Title
  
  The Journal of Physical Chemistry B Vol.109・No.9
  
  Pages: 4234-4240
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Magnetic semiconductors : Molecular materials based on alkyl-pyridinium-substituted verdazyl radical cations and Ni(dmit)_2 anion2005
- Author(s)
  K.Mukai, D.Shiba, K.Mukai, K.Yoshida, H.Hisatou, K.Ohara, Y.Hosokoshi, N.Azuma
- Journal Title
  
  Polyhedron No1.24・No.161
  
  Pages: 2513-2521
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic Study of the Mechanism of Free-Radical Scavenging Action in Curcumin2005
- Author(s)
  K.Ohara, W.Mizukami, A.Tokunaga, S.Nagaoka, H.Uno, K.Mukai
- Journal Title
  
  Bull.Chem.Soc.Jpn. (in the press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15550123
[Journal Article] Kinetic study of the quenching reaction of singlet oxygen, by tea catechins in ethanol solution2005
- Author(s)
  K.Mukai*, S.Nagai, K.Ohara
- Journal Title
  
  Free Radic. Biol. Med. 38
  
  Pages: 752-761
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15087104
[Journal Article] Paramagnetic semiconductors : Hybrid molecular materials based on ethyl and methyl-pyridinium-substituted verdazyl radical cations and Ni(dmit)2 anion (dmit = 1,3-Dithio1-2-thione-4,5-dithiolate)2005
- Author(s)
  K.Mukai*, D.Shiba, K.Yoshida, K.Mukai, H.Hisatou, K.Ohara, Y.Hosokoshi, N.Azuma
- Journal Title
  
  Bull. Chem. Soc. Jpn. 70
  
  Pages: 2114-2123
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15087104
[Journal Article] Magnetic Semiconductors: Molecular Materials Based on Alkyl-pyridinium-substituted Verdazyl Radical Cations and Ni(dmit)_2 Anion2005
- Author(s)
  K.Mukai, D.Shiba, K.Mukai, K.Yoshida, H.Hisatou, K.Ohara, Y.Hosokoshi, N.Azuma
- Journal Title
  
  Polyhedron (in the press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15550123
[Journal Article] Structure-Activity Relationship of the Tocopherol-Regeneration Reaction by Catechins2005
- Author(s)
  K.Mukai, S.Mitani, K.Ohara, S.Nagaoka
- Journal Title
  
  Free Radic.Biol.Med. (in the press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15550123
[Journal Article] Kinetic Study of the Mechanism of Free-Radical Scavenging Action in Curcumin2005
- Author(s)
  K.Ohara
- Journal Title
  
  Bull.Chem.Soc.Jpn. (In the press)
- Data Source
  KAKENHI-PROJECT-15087104
[Journal Article] Structure-activity relationship of the tocopherol-regeneration reaction by catechins2005
- Author(s)
  K.Mukai, S.Mitani, K.Ohara, S.Nagaoka
- Journal Title
  
  Free Radical Biology and Medicine Vol.38・No.9
  
  Pages: 1243-1256
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic Study of the Quenching Reaction of Singlet Oxygen by Flavonoids in Ethanol Solution2005
- Author(s)
  Souichi Nagai, Keishi Ohara, Kazuo Mukai
- Journal Title
  
  The Journal of Physical Chemistry B Vol.109(In print)
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic Study of Mechanism of Free-Radical Scavenging Action in Curcumin : Effects of Solvent and pH2005
- Author(s)
  K.Ohara, W.Mizukami, A.Tokunaga, S.Nagaoka, et al.
- Journal Title
  
  Bulletin of the Chemical Society of Japan Vol.78・No.4(In print)
- NAID
  10015463342
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic Study of the Mechanism of Free-Radical Scavenging Action in Curcumin : Effects of Solvent and pH2005
- Author(s)
  K.Ohara
- Journal Title
  
  Bull. Chem. Soc. Jpn. 78, No.4
  
  Pages: 615-621
- NAID
  10015463342
- Data Source
  KAKENHI-PROJECT-15087104
[Journal Article] Paramagnetic Semiconductors : Hybrid Molecular Materials Based on Ethyl-and Methyl-Pyridinium-Substituted Verdazyl Radical Cations and Ni(dmit)_2 Anion(dmit=1,3-Dithiol-2-thione-4,5-dithiolate)2005
- Author(s)
  K.Mukai, D.Shiba, K.Yoshida, K.Mukai, H.Hisatou, K.Ohara, Y.Hosokoshi, N.Azuma
- Journal Title
  
  Bulletin of the Chemical Society of Japan Vol.78・No.12
  
  Pages: 2114-2123
- NAID
  10017074319
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic study of the quenching reaction of singlet oxygen by flavonoids in ethanol solution2005
- Author(s)
  S.Nagai, K.Ohara, K.Mukai
- Journal Title
  
  J. Phys. Chem. 109
  
  Pages: 4234-4240
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15087104
[Journal Article] Kinetic Study of the Mechanism of Free-Radical Scavenging Action in Curcumin : Effects of Solvent and pH2005
- Author(s)
  K.Ohara, W.Mizukami, A.Tokunaga, S.Nagaoka, H.Uno, K.Mukai
- Journal Title
  
  Bull.Chem.Soc.Jpn. 78(4)
  
  Pages: 615-621
- NAID
  10015463342
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Photochemical Synthesis of Pentacene and its Derivatives2005
- Author(s)
  H.Yamada, Y.Yamashita, M.Kikuchi, H.Watanabe, T.Okujima, H.Uno, T.Ogawa, K.Ohara, N.Ono
- Journal Title
  
  Chemistry - A European Journal Vol.11・No.21
  
  Pages: 6212-6220
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic study of the quenching reaction of singlet oxygen by tea catechins in ethanol solution2005
- Author(s)
  K.Mukai, S.Nagai, K.Ohara
- Journal Title
  
  Free Radic.Biol.Med. 39(6)
  
  Pages: 752-761
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic Study of the Quenching Reaction of Singlet Oxygen by Flavonoids in Ethanol Solution2005
- Author(s)
  S.Nagai, K.Ohara, K.Mukai
- Journal Title
  
  J.Phys.Chem. (in the press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15550123
[Journal Article] Magnetic semiconductors : Molecular materials based on alkyl-pyridinium-substituted verdazyl radical cations and Ni(dmit)_2 anion2005
- Author(s)
  K.Mukai, D.Shiba, K.Mukai, K.Yoshida, H.Hisatou, K.Ohara, Y.Hosokoshi, N.Azuma
- Journal Title
  
  Polyhedron 24(16-17)
  
  Pages: 2513-2521
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Paramagnetic Semiconductors : Hybrid Molecular Materials Based on Ethyl- and Methyl-Pyridinium-Substituted Verdazyl Radical Cations and Ni(dmit)_2 Anion (dmit = 1,3-Dithiol-2-thione-4,5-dithiolate)2005
- Author(s)
  K.Mukai, D.Shiba, K.Yoshida, K.Mukai, H.Hisatou, K.Ohara, Y.Hosokoshi, N.Azuma
- Journal Title
  
  Bulletin of the Chemical Society of Japan Vol.78・No.12
  
  Pages: 2114-2123
- NAID
  10017074319
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Structure-activity relationship of the tocopherol-regeneration reaction by catechins2005
- Author(s)
  K.Mukai, S.Mitani, K.Ohara, S.Nagaoka
- Journal Title
  
  Free Radic.Biol.Med. 38(9)
  
  Pages: 1243-1256
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Magnetic semiconductors : Molecular materials based on alkyl-pyridinium-substituted verdazyl radical cations and Ni(dmit)_2 anion2005
- Author(s)
  M.Mukai, D.Shiba, K.Mukai, K.Yoshida, H.Hisatou, K.Ohara, Y.Hosokoshi, N.Azuma
- Journal Title
  
  Polyhedron Vol.24・No.16
  
  Pages: 2513-2521
- Data Source
  KAKENHI-PROJECT-16550016
[Journal Article] Kinetic study of the quenching reaction of singlet oxygen by flavonoids in ethanol solution2005
- Author(s)
  S.Nagai, K.Ohara, K.Mukai*
- Journal Title
  
  J. Phys. Chem. 109
  
  Pages: 4234-4240
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15087104
[Journal Article] Kinetic study of the quenching reaction of singlet oxygen by tea catechins in ethanol solution2005
- Author(s)
  K.Mukai, S.Nagai, K.Ohara
- Journal Title
  
  Free Radic. Biol. Med. 38
  
  Pages: 752-761
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15087104
[Journal Article] Paramagnetic semiconductors : Hybrid molecular materials based on ethyl and methyl-pyridinium-substituted verdazyl radical cations and Ni(dmit)_2 anion (dmit=1,3-Dithiol-2-thione-4,5-dithiolate)2005
- Author(s)
  K.Mukai, D.Shiba, K.Yoshida, K.Mukai, H.Hisatou, K.Ohara, Y.Hosokoshi, N.Azuma
- Journal Title
  
  Bull. Chem. Soc. Jpn. 70
  
  Pages: 2114-2123
- NAID
  10017074319
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15087104
[Journal Article] Molecular Paramagnetic Semiconductor : Crystal Structures and Magnetic and Conducting Properties of the Ni(dmit)_2 Salts of 6-Oxoverdazyl Radical Cations (dmit=1,3-Dithiol-2-thione-4,5-dithiolate)2004
- Author(s)
  K.Mukai, N.Senba, T.Hatanaka, H.Minakuchi, K.Ohara, M.Taniguchi, Y.Misaki, Y.Hosokoshi, K.Inoue, N.Azuma
- Journal Title
  
  Inorg.Chem. 43, No.2
  
  Pages: 566-576
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15550123
[Journal Article] Excited High-Spin Quartet (S = 3/2) State of a Novel π-Conjugated Organic Spin System, Pyrene-Verdazyl Radical2004
- Author(s)
  Y.Teki, M.Kimura, S.Narimatsu, K.Ohara, K.Mukai
- Journal Title
  
  Bull.Chem.Soc.Jpn. 77, No.1
  
  Pages: 95-99
- NAID
  10011835882
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15550123
[Journal Article] ビタミンEの再生反応における量子論的効果
- Author(s)
  長岡伸一、大内綾、垣内拓大、小原敬士、向井和男
- Journal Title
  
  ビタミン (印刷中)
- NAID
  110007387825
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550020
[Journal Article] アロエサポナリンI の紫外線防御と一重項酸素消去機能
- Author(s)
  長岡伸一、藤井亜紀子、日野めぐみ、竹本真唯、保田三沙貴、三島麻里子、小原敬士、桝本茜、宇野英満、長嶋雲兵
- Journal Title
  
  ビタミン (印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19550020
[Presentation] 活性酸素検出能を付加したDi(acenaphtho)BODIPYの開発2022
- Author(s)
  小原敬士，渡部匠海，中野英之，奥島鉄雄
- Organizer
  2022年日本化学会中国四国支部大会
- Data Source
  KAKENHI-PROJECT-18K05533
[Presentation] 活性酸素を検出するNIR発光型プローブとしてのα-置換Di(acenaphtho)BODIPYの合成2021
- Author(s)
  石井遥暁，渡部匠海，中野英之，奥島鉄雄，小原敬士
- Organizer
  日本化学会第101春季年会 (2021)
- Data Source
  KAKENHI-PROJECT-18K05533
[Presentation] 近赤外発光測定による加工豆類の一重項酸素消去能の評価2021
- Author(s)
  渡部匠海，皆越映馨，小原敬士
- Organizer
  日本食品化学学会第27回総会・学術大会
- Data Source
  KAKENHI-PROJECT-18K05533
[Presentation] エタノール中のトコフェロール類の一重項酸素消去速度に対する水の添加の効果2020
- Author(s)
  野本七帆、井上和優、小原敬士、長岡伸一
- Organizer
  第31回ビタミンE研究会
- Data Source
  KAKENHI-PROJECT-18K05533
[Presentation] 近赤外発光測定を用いた野菜の一重項酸素消去能の評価法2020
- Author(s)
  渡部匠海、小原敬士
- Organizer
  日本食品化学学会第２６回総会（紙面開催）
- Data Source
  KAKENHI-PROJECT-18K05533
[Presentation] 活性酸素を検出する新規蛍光プローブの合成2018
- Author(s)
  増田有作，奥島鉄雄，小原敬士
- Organizer
  2018年日本化学会中国四国支部大会
- Data Source
  KAKENHI-PROJECT-26450160
[Presentation] 活性酸素を検出する新規蛍光プローブの合成2018
- Author(s)
  増田有作，奥島鉄雄，小原敬士
- Organizer
  2018年日本化学会中国四国支部大会
- Data Source
  KAKENHI-PROJECT-18K05533
[Presentation] CORRELATION BETWEEN ANTIOXIDANT AND EXCITED-STATE INTRAMOLECULAR-PROTON-TRANSFER ACTIVITIES IN ANTHOCYANIDINS AND HYDROXYANTHRAQUINONES2016
- Author(s)
  Yuki Bandoh, Keishi Ohara, and Shin-ichi Nagaoka
- Organizer
  26th IUPAC International Symposium on Photochemistry
- Place of Presentation
  Osaka City Central Public Hall (大阪府・大阪市)
- Year and Date
  2016-04-03
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K07431
[Presentation] ビタミンEの一重項酸素消去速度に及ぼす金属塩の効果2016
- Author(s)
  長岡伸一, 髙橋京香, 中村明日香, 小原敬士, 向井和男
- Organizer
  第27回ビタミンE研究会
- Place of Presentation
  アルファあなぶきホール（香川県高松市）
- Year and Date
  2016-01-08
- Data Source
  KAKENHI-PROJECT-26450160
[Presentation] シコニン・ヒドロキシナフトキノン類の一重項酸素消去活性と励起状態分子内水素移動2016
- Author(s)
  小原敬士，古信裕，尾下愛美，長岡伸一
- Organizer
  2016年日本化学会中国四国支部大会
- Place of Presentation
  香川大学幸町キャンパス（香川県高松市）
- Year and Date
  2016-11-05
- Data Source
  KAKENHI-PROJECT-26450160
[Presentation] 光照射による光照射による (DMe-DCNQI)2Cuの電荷移動量制御の電荷移動量制御2016
- Author(s)
  金井良介，山本貴，小原敬士，内藤俊雄
- Organizer
  2016年日本化学会中国四国支部大会
- Place of Presentation
  香川大学幸町キャンパス（香川県高松市）
- Year and Date
  2016-11-05
- Data Source
  KAKENHI-PROJECT-26450160
[Presentation] シコニン・ヒドロキシナフトキノン類の一重項酸素消去活性と励起状態分子内水素移動2016
- Author(s)
  小原敬士、古信裕、尾下愛美、長岡伸一
- Organizer
  2016年日本化学会中国四国支部大会香川大会
- Place of Presentation
  香川大学幸町キャンパス　（香川県・高松市）
- Year and Date
  2016-11-05
- Data Source
  KAKENHI-PROJECT-15K07431
[Presentation] ビタミンEの一重項酸素消去速度に及ぼす金属塩の効果2016
- Author(s)
  長岡伸一、髙橋京香、中村明日香、小原敬士、向井和男
- Organizer
  第27回ビタミンE研究会
- Place of Presentation
  アルファあなぶきホール(香川県・高松市)
- Year and Date
  2016-01-08
- Data Source
  KAKENHI-PROJECT-15K07431
[Presentation] 近赤外発光スポット検出によるゲル中成分の一重項酸素消去活性計測2015
- Author(s)
  小原敬士，北平有望，長岡伸一
- Organizer
  2015年日本化学会中国四国支部大会
- Place of Presentation
  岡山大学津島キャンパス（岡山県岡山市）
- Year and Date
  2015-11-14
- Data Source
  KAKENHI-PROJECT-26450160
[Presentation] Nodal-Plane Model in Photochemistry2015
- Author(s)
  長岡　伸一、小原　敬士
- Organizer
  27th International Conference on Photochemistry
- Place of Presentation
  Jeju Island, Korea
- Year and Date
  2015-06-28
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K07431
[Presentation] 光照射下の銅(II)ジチオレン錯体塩の磁性・伝導性2015
- Author(s)
  野間博貴，小原敬士，山本貴，内藤俊雄
- Organizer
  2015年日本化学会中国四国支部大会
- Place of Presentation
  岡山大学津島キャンパス（岡山県岡山市）
- Year and Date
  2015-11-14
- Data Source
  KAKENHI-PROJECT-26450160
[Presentation] Nodal-plane model in photochemistry2015
- Author(s)
  Shin-ichi Nagaoka, Keishi Ohara
- Organizer
  27th International Conference on Photochemistry
- Place of Presentation
  大韓民国チェジュ市(Jeju City, South Korea)
- Year and Date
  2015-06-28
- Invited
- Data Source
  KAKENHI-PROJECT-26450160
[Presentation] 近赤外発光スポット検出によるゲル中の一重項酸素寿命計測2015
- Author(s)
  小原敬士、北平有望、長岡伸一
- Organizer
  2015年日本化学会中国四国支部大会
- Place of Presentation
  岡山大学(岡山県・岡山市)
- Year and Date
  2015-11-14
- Data Source
  KAKENHI-PROJECT-15K07431
[Presentation] Ni-dmit錯体の特異的に大きな光伝導性2014
- Author(s)
  内藤　俊雄・烏谷　知明・長山　直樹・小原　敬士・小西　健介・森　重樹・高野　崇廣・高橋　幸裕・稲辺　保・木瀬　翔太・西原　禎文・井上　克也
- Organizer
  日本化学会第94春季年会
- Place of Presentation
  名古屋大学東山キャンパス
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] Ni-dmit錯体の特異的に大きな光伝導性2014
- Author(s)
  内藤俊雄,烏谷知明,長山直樹,小原敬士,小西健介,森重樹,高野崇廣,高橋幸裕,稲辺保,木瀬翔太,西原禎文,井上克也
- Organizer
  日本化学会第94春季年会
- Place of Presentation
  名古屋
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] イリジウム錯体単分子膜の人工積層法による多重発光特性2013
- Author(s)
  佐藤　久子・森本　和也・小原　敬士・長岡　伸一・田村　堅志
- Organizer
  日本化学会第93春季年会
- Place of Presentation
  立命館大学草津キャンパス
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] イリジウム錯体単分子膜の人工積層法による多重発光特性2013
- Author(s)
  佐藤久子,森本和也,小原敬士,長岡伸一,田村堅志
- Organizer
  日本化学会第93春季年会
- Place of Presentation
  草津
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] 分子内水素結合したアントラキノン類における励起状態分子内プロトン移動と一重項酸素消去活性の相関2013
- Author(s)
  長岡伸一・遠藤光・小原敬士
- Organizer
  2013年光化学討論会
- Place of Presentation
  愛媛大学城北キャンパス（松山）
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] 分子内水素結合したアントラキノン類における励起状態分子内プロトン移動と一重項酸素消去活性の相関2013
- Author(s)
  長岡伸一,遠藤光,小原敬士
- Organizer
  2013年光化学討論会
- Place of Presentation
  松山
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] イリジウム金属錯体と粘土鉱物のハイブリッドLB膜による多色発光挙動2012
- Author(s)
  中谷康彦,森本和也,小原敬士,長岡伸一,田村堅志,佐藤久子
- Organizer
  日本化学会第92春季年会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] 稀少試料の抗酸化活性評価のための一重項酸素発光寿命のスポット計測2012
- Author(s)
  小原敬士
- Organizer
  日本化学会第92春季年会
- Place of Presentation
  慶応義塾大学(横浜)
- Year and Date
  2012-03-26
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] Synthesis of π-Expanded Cyclo[8]pyrroles2012
- Author(s)
  Tetsuo Okujima, Chie Ando, Naoki Matsumoto, Shigeki Mori, Guangnan Jin, Hiroko Yamada, Takahiro Nakae, Keishi Ohara, Hidemitsu Uno
- Organizer
  Seventh International Conference on Porphyrins and Phthalocyanines (ICPP-7)
- Place of Presentation
  Jeju, Korea
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] 光応答性が期待される分子性伝導体の構造と物性2012
- Author(s)
  内藤俊雄,烏谷知明,森重樹,小原敬士,小西健介,高野崇廣,高橋幸裕,稲辺保
- Organizer
  日本化学会第92春季年会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] ビタミンEエマルションのフリーラジカル消去活性2012
- Author(s)
  小原敬士, 迫佳志, 長岡伸一
- Organizer
  日本化学会第92春季年会
- Place of Presentation
  慶応義塾大学(横浜)
- Year and Date
  2012-03-27
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] 局在スピンとキャリアが同時に光で生成する有機電荷移動錯体2012
- Author(s)
  内藤俊雄,森重樹,小原敬士,西原禎文,井上克也,高橋幸裕,稲辺保
- Organizer
  第6回分子科学討論会
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] Synthesis and Properties of β-Substituted Cyclo[8]pyrroles2012
- Author(s)
  Naoki Matsumoto, Chie Ando, Keishi Ohara, Shigeki Mori, Takahiro Nakae, Hidemitsu Uno, Tetsuo Okujima
- Organizer
  Seventh International Conference on Porphyrins and Phthalocyanines (ICPP-7)
- Place of Presentation
  Jeju, Korea
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] 共役拡張およびアリール置換シクロ[8]ピロールの合成2012
- Author(s)
  松本直樹,安藤千恵,小原敬士,森重樹,中江隆博,宇野英満,奥島鉄雄
- Organizer
  高次π空間の創発と機能開発第7回公開シンポジウム
- Place of Presentation
  松山
- Year and Date
  2012-03-13
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] 稀少試料の抗酸化活性評価のための一重項酸素発光寿命のスポット計測2012
- Author(s)
  小原敬士
- Organizer
  日本化学会第92春季年会
- Place of Presentation
  横浜
- Year and Date
  2012-03-26
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] ナフタレン縮環シクロ[8]ピロールの合成と物性2012
- Author(s)
  安藤千恵,松本直樹,小原敬士,森重樹,中江隆博,山田容子,宇野英満,奥島鉄雄
- Organizer
  日本化学会第92春季年会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] ビタミンEエマルションのフリーラジカル消去活性2012
- Author(s)
  小原敬士,迫佳志,長岡伸一
- Organizer
  日本化学会第92春季年会
- Place of Presentation
  横浜
- Year and Date
  2012-03-27
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] 様々な抗酸化物質によるアルキルラジカル消去能の速度論的定量化2011
- Author(s)
  石川美沙,立川由貴,小原敬士,古武弥成,末石芳巳
- Organizer
  第50回電子スピンサイエンス学会年会
- Place of Presentation
  仙台
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] コーヒー酸塩による高速一重項酸素消去2011
- Author(s)
  小原敬士,新崎由佳,長岡伸一
- Organizer
  2011年日本化学会西日本大会
- Place of Presentation
  徳島
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] 様々な抗酸化物質によるアルキルラジカル消去能の速度論的定量化2011
- Author(s)
  石川美沙・立川由貴・小原敬士・古武弥成・末石芳巳
- Organizer
  第50回電子スピンサイエンス学会年会
- Place of Presentation
  仙台国際センター(仙台)
- Year and Date
  2011-11-12
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] モンモリロナイトと発光性イリジウム錯体とのハイブリッドLB膜の発光挙動2011
- Author(s)
  中谷康彦,堤響子,中江隆博,小原敬士,長岡伸一,森本和也,田村堅志,佐藤久子
- Organizer
  第55回粘土科学討論会
- Place of Presentation
  鹿児島
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] 9,10-アントラセンおよびアセナフチレン縮環シクロ[8]ピロールの合成と物性2011
- Author(s)
  安藤千恵,松本直樹,森重樹,宇野英満,小原敬士,中江隆博,奥島鉄雄
- Organizer
  第22回基礎有機化学討論会
- Place of Presentation
  つくば
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] コーヒー酸塩による高速一重項酸素消去2011
- Author(s)
  小原敬士, 新崎由佳, 長岡伸一
- Organizer
  2011年日本化学会西日本大会
- Place of Presentation
  徳島大学(徳島)
- Year and Date
  2011-11-12
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] ビタミンK誘導体の遅延蛍光を用いた抗酸化活性評価2010
- Author(s)
  小原敬士、光森亮太朗、長岡伸一
- Organizer
  第63回日本酸化ストレス学会
- Place of Presentation
  神奈川県民ホール(横浜)
- Year and Date
  2010-06-24
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] 一重項酸素寿命に及ぼす抗酸化剤-金ナノ粒子の影響2010
- Author(s)
  池田明広,大倉さとみ,小原敬士,長岡伸一
- Organizer
  第63回日本酸化ストレス学会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] 一重項酸素寿命に及ぼす抗酸化剤-金ナノ粒子の影響2010
- Author(s)
  池田明広、小原敬士, 他2名
- Organizer
  第63回日本酸化ストレス学会
- Place of Presentation
  神奈川県民ホール(横浜)
- Year and Date
  2010-06-24
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] ビタミンK誘導体の遅延蛍光を用いた抗酸化活性評価2010
- Author(s)
  小原敬士,光森亮太朗,長岡伸一
- Organizer
  第63回日本酸化ストレス学会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-22590038
[Presentation] AOT 逆ミセル中のビタミンE光分解系でのビタミンCの抗酸化挙動2009
- Author(s)
  池田昭広、小原敬士、長岡伸一
- Organizer
  日本化学会第89春季年会
- Place of Presentation
  船橋
- Data Source
  KAKENHI-PROJECT-19550020
[Presentation] エマルジョンにおける一重項酸素発光寿命の油滴サイズ依存性2009
- Author(s)
  折口孝、小原敬士、長岡伸一、ビタミンE
- Organizer
  日本化学会第89 春季年会
- Place of Presentation
  船橋
- Data Source
  KAKENHI-PROJECT-19550020
[Presentation] AOT逆ミセル中のビタミンE光分解系でのビタミンCの抗酸化挙動2009
- Author(s)
  池田明広, 小原敬士, 長岡伸一
- Organizer
  日本化学会第89春季年会
- Place of Presentation
  船橋
- Year and Date
  2009-03-27
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] AOT 逆ミセル中のビタミンE 光分解系でのビタミンC の抗酸化挙動2009
- Author(s)
  池田明広, 小原敬士, 長岡伸一
- Organizer
  日本化学会第89 春季年会
- Place of Presentation
  船橋
- Year and Date
  2009-03-27
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] ビタミンE エマルジョンにおける一重項酸素発光寿命の油滴サイズ依存性2009
- Author(s)
  折口孝, 小原敬士, 長岡伸一
- Organizer
  日本化学会第89 春季年会
- Place of Presentation
  船橋
- Year and Date
  2009-03-30
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] ビタミンEエマルジョンにおける一重項酸素発光寿命の油滴サイズ依存性2009
- Author(s)
  折口孝, 小原敬士, 長岡伸一
- Organizer
  日本化学会第89春季年会
- Place of Presentation
  船橋
- Year and Date
  2009-03-30
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] アロエサポナジンIの紫外線防御と一重項酸素消去の機能2008
- Author(s)
  長岡伸一, 保田三沙貴, 三島麻里子, 小原敬士, 他
- Organizer
  第61回日本酸化ストレス学会学術集会
- Place of Presentation
  京都
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] ビタミンE の不均一系での抗酸化反応の速度論的研究2008
- Author(s)
  吉本摩耶, 小原敬士, 長岡伸一
- Organizer
  日本化学会第88 春季年会
- Place of Presentation
  京都
- Year and Date
  2008-03-29
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] ビタミンE を含むミセル系における一重項酸素発光寿命2008
- Author(s)
  折口孝, 菊地香織里, 小原敬士, 長岡伸一
- Organizer
  日本化学会第88 春季年会
- Place of Presentation
  京都
- Year and Date
  2008-03-28
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] ビタミンEを含むミセル系における一重項酸素発光寿命2008
- Author(s)
  折口孝, 菊地香緒里, 小原敬士, 他
- Organizer
  日本化学会第88春季年会
- Place of Presentation
  東京
- Year and Date
  2008-03-28
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] ビタミンE を含むミセル系における一重項酸素発光寿命2008
- Author(s)
  折口孝、菊地香織里、小原敬士、長岡伸一
- Organizer
  日本化学会第88春季年会
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-19550020
[Presentation] ビタミンEの不均一系での抗酸化反応の速度論的研究2008
- Author(s)
  吉本摩耶, 小原敬士, 長岡伸一
- Organizer
  日本化学会第88春季年会
- Place of Presentation
  東京
- Year and Date
  2008-03-29
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] アロエサポナリンIの紫外線防御と一重項酸素消去の機能2008
- Author(s)
  長岡伸一、藤井亜紀子、日野めぐみ、竹本真唯、保田三沙貴、三島麻里子、小原敬士、桝本茜、宇野英満、長嶋雲兵
- Organizer
  第61回日本酸化ストレス学会学術集会
- Place of Presentation
  京都(P085)
- Data Source
  KAKENHI-PROJECT-19550020
[Presentation] アロエサポナリンI の紫外線防御と一重項酸素消去の機能2008
- Author(s)
  長岡伸一, 藤井亜紀子, 日野めぐみ, 竹本真唯, 保田三沙貴, 三島麻里子, 小原敬士, 桝本茜, 宇野英満, 長嶋雲兵
- Organizer
  第61 回日本酸化ストレス学会学術集会
- Place of Presentation
  京都
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] ビタミンE の不均一系での抗酸化反応の速度論的研究2008
- Author(s)
  吉本摩耶、小原敬士、長岡伸一
- Organizer
  日本化学会第88 春季年会
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-19550020
[Presentation] 不均一系におけるビタミンE の光化学反応の研究2007
- Author(s)
  清水亜由美, 和田有紀, 小原敬士, 長岡伸一
- Organizer
  第1 回分子科学討論会
- Place of Presentation
  仙台
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] Photoinitiated Radical Reaction in the Vitamin E Emulsion2007
- Author(s)
  K. Ohara, A. Shimizu, Y. Wada, and S. Nagaoka
- Organizer
  電子スピンサイエンス国際会議、第46 回電子スピンサイエンス学会年会合同討論会(ISESS-SEST2007)
- Place of Presentation
  静岡(P16)
- Data Source
  KAKENHI-PROJECT-19550020
[Presentation] a-Tocopherol懸濁系での抗酸化反応の速度2007
- Author(s)
  吉本摩耶, 小原敬士, 長岡伸一
- Organizer
  第29回日本フリーラジカル学会学術集会
- Place of Presentation
  名古屋
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] 不均一系におけるビタミンEの光化学反応の研究2007
- Author(s)
  清水亜由美、和田有紀、小原敬士、長岡伸一
- Organizer
  第1回分子科学討論会
- Place of Presentation
  仙台(3P100)
- Data Source
  KAKENHI-PROJECT-19550020
[Presentation] 不均一系におけるビタミンEの光化学反応の研究2007
- Author(s)
  清水亜由美, 小原敬士, 他
- Organizer
  第1回分子科学討論会
- Place of Presentation
  仙台
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] Photoinitiated Radical Reaction in the Vitamin E Emulsion2007
- Author(s)
  K.Ohara, A.Shimizu, 他
- Organizer
  電子スピンサイエンス国際会議-第46回電子スピンサイエンス学会年会合同討論会(ISESS-SEST2007)
- Place of Presentation
  静岡
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] Vitamin E Emulsion 系での一重項酸素寿命2007
- Author(s)
  折口孝, 小原敬士, 長岡伸一
- Organizer
  第29 回日本フリーラジカル学会/日本過酸化脂質・フリーラジカル学会第31 回大会合同学会
- Place of Presentation
  名古屋
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] カテキン類によるビタミンE 再生作用の速度論的研究2007
- Author(s)
  新田晃子、長岡伸一、小原敬士、向井和男
- Organizer
  第1回分子科学討論会
- Place of Presentation
  仙台(1P136)
- Data Source
  KAKENHI-PROJECT-19550020
[Presentation] Vitamin E Emulsion 系での一重項酸素寿命2007
- Author(s)
  折口孝、小原敬士、長岡伸一
- Organizer
  第29回日本フリーラジカル学会/日本過酸化脂質・フリーラジカル学会第31回大会合同学会
- Place of Presentation
  名古屋(P27)
- Data Source
  KAKENHI-PROJECT-19550020
[Presentation] α-Tocopherol 懸濁系での抗酸化反応の速度2007
- Author(s)
  吉本摩耶、小原敬士、長岡伸一
- Organizer
  第29 回日本フリーラジカル学会/日本過酸化脂質・フリーラジカル学会第31回大会合同学会
- Place of Presentation
  名古屋(P26)
- Data Source
  KAKENHI-PROJECT-19550020
[Presentation] Photoinitiated Radical Reaction in the Vitamin E Emulsion2007
- Author(s)
  K. Ohara, A. Shimizu, Y. Wada, S. Nagaoka
- Organizer
  電子スピンサイエンス国際会議-第46 回電子スピンサイエンス学会年会合同討論会(ISESS-SEST2007)
- Place of Presentation
  静岡
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] Comparison between the Free-Radical-Scavenging Activities with Vitamin E and Ubiquinol in Biological Systems Based on the Reaction Rates2007
- Author(s)
  K. Mukai, A. Tokunaga, S. Itoh, Y. Kanesaki, K. Ohara, S. Nagaoka, and K. Abe
- Organizer
  5th Conference of the Internationa Coenzyme Q10 Association
- Place of Presentation
  神戸
- Data Source
  KAKENHI-PROJECT-19550020
[Presentation] α-Tocopherol 懸濁系での抗酸化反応の速度2007
- Author(s)
  吉本摩耶, 小原敬士, 長岡伸一
- Organizer
  第29 回日本フリーラジカル学会/日本過酸化脂質・フリーラジカル学会第31 回大会合同学会
- Place of Presentation
  名古屋
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] Comparison between the Free-Radical-Scavenging Activities with Vitamin E and Ubiquinol in Biological Systems Based on the Reaction Rates2007
- Author(s)
  K. Mukai, A. Tokunaga, S. Itoh, Y. Kanesaki, K. Ohara, S. Nagaoka, K. Abe
- Organizer
  5TH CONFERENCE OF THE INTERNATIONAL COENZYME Q10 ASSOCIATION
- Place of Presentation
  神戸
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] Vitamin E Emulsion系での一重項酸素寿命2007
- Author(s)
  折口孝, 小原敬士, 長岡伸一
- Organizer
  第29回日本フリーラジカル学会学術集会
- Place of Presentation
  名古屋
- Data Source
  KAKENHI-PROJECT-19550019
[Presentation] 銅（II）ジチオレン錯体が持つ不対電子の電気・磁気挙動
- Author(s)
  野間博貴，小原敬士，山本貴，内藤俊雄
- Organizer
  第8回分子科学討論会 2014
- Place of Presentation
  広島大学東広島キャンパス
- Year and Date
  2014-09-21 – 2014-09-24
- Data Source
  KAKENHI-PROJECT-26450160
[Presentation] Ni-dmit錯体の高い光伝導の光応答機構
- Author(s)
  長山直樹，小原敬士，山本貴，内藤俊雄
- Organizer
  第8回分子科学討論会 2014
- Place of Presentation
  広島大学東広島キャンパス
- Year and Date
  2014-09-21 – 2014-09-24
- Data Source
  KAKENHI-PROJECT-26450160
[Presentation] 近赤外発光寿命計測を基盤とする食品・飲料の抗酸化力評価法の開発と応用
- Author(s)
  小原敬士
- Organizer
  第67回日本酸化ストレス学会学術集会
- Place of Presentation
  同志社大学今出川キャンパス（京都）
- Year and Date
  2014-09-04 – 2014-09-05
- Data Source
  KAKENHI-PROJECT-26450160
[Presentation] 高い光伝導を示すNMQ[Ni(dmit)2]の伝導機構に関する研究
- Author(s)
  長山直樹，小原敬士，山本貴，内藤俊雄
- Organizer
  日本化学会第95春季年会
- Place of Presentation
  日本大学船橋キャンパス
- Year and Date
  2015-03-26 – 2015-03-29
- Data Source
  KAKENHI-PROJECT-26450160
[Presentation] Correlation between Excited-State Intramolecular Proton-Transfer and Singlet-Oxygen Quenching Activity in Intramolecularly Hydrogen-Bonded Anthraquinone Derivatives
- Author(s)
  Shin-ichi Nagaoka, Hikaru Endo, Keishi Ohara
- Organizer
  248th ACS National Meeting & Exposition
- Place of Presentation
  San Francisco (USA)
- Year and Date
  2014-08-10 – 2014-08-14
- Invited
- Data Source
  KAKENHI-PROJECT-26450160
[Presentation] シクロデキストリンで水溶化した香辛料成分カプサイシンの一重項酸素消去活性
- Author(s)
  小原敬士，平岡奈保子，長岡伸一
- Organizer
  第67回日本酸化ストレス学会学術集会
- Place of Presentation
  同志社大学今出川キャンパス（京都）
- Year and Date
  2014-09-04 – 2014-09-05
- Data Source
  KAKENHI-PROJECT-26450160
[Presentation] 光照射によって不対電子の局在性が変わる銅(II)ジチオレン錯体塩の電気・磁気挙動
- Author(s)
  野間博貴，小原敬士，山本貴，内藤俊雄
- Organizer
  日本化学会第95春季年会
- Place of Presentation
  日本大学船橋キャンパス
- Year and Date
  2015-03-26 – 2015-03-29
- Data Source
  KAKENHI-PROJECT-26450160

1. MUKAI Kazuo (70036193)

# of Collaborated Projects: 6 results

# of Collaborated Products: 14 results
2. NAGAOKA Shin-ichi (30164403)

# of Collaborated Projects: 5 results

# of Collaborated Products: 29 results
3. HIROTA Noboru (90093301)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. NAKAGAWA Kouichi (00244393)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. TERAZIMA Masahide (00188674)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. TAJIMA Kunihiko (50163457)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. MITO Masaki (60315108)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 東長雄 (00093914)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. WILLIGEN Hans von

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. WILLIGEN Han

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. NAKAE Takahiro

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
12. MORI Shigeki

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
13. YAMAMOTO Takashi

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
14. 奥島鉄雄

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
15. 宇野英満

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
16. 高橋幸裕

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
17. 稲辺保

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
18. 小林長夫

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

OHARA Keishi 小原 敬士

小原 啓士 オハラ ケイシ

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Construction of multifaceted antioxidant activity evaluation procedures based on time-resolved measurement of near-infrared lightPrincipal Investigator

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A new efficient method for antioxidant activity evaluation based on the time-resolved optical measurement in near-infrared regionPrincipal Investigator

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Antioxidant activity evaluation of trace sample by the spot measurement of singlet oxygen luminescence lifetimePrincipal Investigator

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Kinetics and Spin-Dynamics in Quenching Reactive Oxygen Species with Natural Antioxidants in Dispersion / Emulsion SystemsPrincipal Investigator

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Antioxidant Activity of Natural Antioxidants versus Reactive Oxygen Species in Emulsion Systems and Its Spin-DynamicsPrincipal Investigator

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CIDEPスピンプローブ法によるミセル・膜界面での一重項酸素動態の研究Principal Investigator

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OHARA Keishi 小原敬士

小原啓士オハラケイシ