2012 Fiscal Year Final Research Report
Dynamic Control of Molecular Functions via Time-Dependent External Stimuli
| Project/Area Number |
22550133
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Functional materials chemistry
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| Research Institution | Institute for Molecular Science |
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Principal Investigator |
NAGATA Toshi 分子科学研究所, 分子スケールナノサイエンスセンター, 准教授 (40231485)
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| Project Period (FY) |
2010 – 2012
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| Keywords | 分子機能 / 動的制御 / 時系列 / 外部刺激 |
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| Research Abstract |
We designed large artificial molecules that respond to external stimuli, prepared them via organic synthesis, and studied their properties by spectroscopic measurements and molecular simulations. The following progress was made: - We established synthetic strategy for tweezers-like molecules that have two different porphyrins at both ends. - We successfully introduced positive and negative charges at the both ends of the above-mentioned tweezers-like molecules. - We analyzed the behavior of the above molecules in solutions via fluorescence emission spectra, and found that the average conformations were dependent on the bridging part. - We performed computer simulations of the above molecules, and found new design for better observation of the conformational change by external stimuli.
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[Journal Article] Highly Pure Synthesis, Spectral Assignments, and Two-Photon Properties of Cruciform Porphyrin Pentamers Fused with Benzene Units2010
Author(s)
Hiroki Uoyama, Kil Suk Kim, Kenji Kuroki, Jae-Yoon Shin, Toshi Nagata, Tetsuo Okujima, Hiroko Yamada, Noboru Ono, Dongho Kim, Hidemitsu Uno
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Journal Title
Chem. Eur. J
Volume: 16
Pages: 4063-4074
DOI
Peer Reviewed
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