| Project Area | Molecular Science for Supra Functional Systems ? Development of Advanced Methods for Exploring Elementary Process |
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| Project/Area Number |
19056009
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| Research Category |
Grant-in-Aid for Scientific Research on Priority Areas
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| Allocation Type | Single-year Grants |
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| Review Section |
Science and Engineering
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| Research Institution | The Institute of Physical and Chemical Research |
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Principal Investigator |
TAHARA Tahei 独立行政法人理化学研究所, 田原分子分光研究室, 主任研究員 (60217164)
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| Co-Investigator(Kenkyū-buntansha) |
TAKEUCHI Satoshi 独立行政法人理化学研究所, 田原分子分光研究室, 専任研究員 (50280582)
YAMAGUCHI Shoichi 独立行政法人理化学研究所, 田原分子分光研究室, 専任研究員 (60250239)
ISHII Kunihiko 独立行政法人理化学研究所, 田原分子分光研究室, 研究員 (80391853)
HOSOI Haruko 東邦大学, 理学部生物分子科学科, 講師 (00313396)
MORITA Akihiro 東北大学, 理学研究科, 教授 (70252418)
ASANO Motoko 首都大学東京, 理工学研究科, 准教授 (80201888)
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| Project Period (FY) |
2007 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥81,600,000 (Direct Cost: ¥81,600,000)
Fiscal Year 2011: ¥6,900,000 (Direct Cost: ¥6,900,000)
Fiscal Year 2010: ¥6,900,000 (Direct Cost: ¥6,900,000)
Fiscal Year 2009: ¥31,600,000 (Direct Cost: ¥31,600,000)
Fiscal Year 2008: ¥6,900,000 (Direct Cost: ¥6,900,000)
Fiscal Year 2007: ¥29,300,000 (Direct Cost: ¥29,300,000)
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| Keywords | 凝縮相 / ダイナミクス / 超高速分光 / 非線形分光 / 相関分光 / 複雑分子系 / 界面 / 生体関連分子 / 時空間分光計測 / 分子複雑系 / 単一分子計測 / 時空間分解計測 |
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| Research Abstract |
We studied complex molecular systems using the most advanced spectroscopy. With ultrafast spectroscopy, we elucidated the multi-dimensional reaction coordinate of isomeriataion of cis-stilbene, clarified the mechanism of the ultrafast structural chang of Cu(I) complexes, and succeeded in tracking nuclear motion along the isomerization coordinate of a prototypical cyanine dye. With interface-selective nonlinear spectroscopy, we developed heterodyne-detected electronic and vibrational sum-frequency generation spectroscopies and obtained a number of new insights into fundamental phenomena at water interfaces including the interface of model membranes. For correlation spectroscopy, we combined fluorescence intensity correlation measurements and fluorescence lifetime measurements to develop a new method that has a very high potential for the study of structural fluctuation of biopolymers.
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