| Project/Area Number |
22740276
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Biophysics/Chemical physics
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| Research Institution | Osaka University (2013)
Kyoto University (2010-2012) |
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Principal Investigator |
SAITO Keisuke 大阪大学, 理学(系)研究科(研究院), 助教 (20514516)
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| Project Period (FY) |
2010-04-01 – 2014-03-31
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Keywords | 光合成 / 蛋白質 / 非線形光学分光 / クロロフィル / 電子移動 / プロトン移動 / 水素結合 / 構造ゆがみ / 励起エネルギー移動 / 水素結合ネットワーク / 協奏的 / 光化学系II / 水分解 / マンガンクラスター / 紅色光合成細菌 / 色素 / 生物物理 / 化学物理 / コーヒーレンス / 光合成色素蛋白質 / コヒーレンス / 電場変調吸収分光 / 四光波混合分光 / カロテノイド / 量子マスター方程式 |
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| Research Abstract |
In photosynthesis of higher plants and algae, light energy is efficiently collected and transferred by pigments embedded in the protein. The light energy induces the electron and the proton transfers which promote the water-splitting and the oxygen-evolving reaction. To clarify the mechanism of such a reaction, we need to use not only experimental but also theoretical approaches. In this study, we constructed a theory that well describes experimental results, and explained a part of mechanisms of the energy, the electron and the proton transfers in the photosynthetic protein.
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