2009 Fiscal Year Final Research Report
Control of photosensitization system by metal nanoparticles responsive to external environment
| Project/Area Number |
20750103
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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 |
Functional materials chemistry
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| Research Institution | University of Yamanashi |
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Principal Investigator |
SHINMORI Hideyuki University of Yamanashi, 大学院・医学工学総合研究部, 准教授 (40311740)
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| Project Period (FY) |
2008 – 2009
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| Keywords | 金属ナノ粒子 / 光増感物質 / 一重項酸素 / ボロン酸 / 糖質 / 分子認識 |
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| Research Abstract |
The photosensitization controlled by saccharide recognition on the metal nanoparticles was investigated. The boronic acid appended photosensitizers were introduced into the sugar-protected metal nanoparticles in the basic medium. In fluorescence spectra of the metal nanoparticles complex with the photosensitizers, the new emission bands were observed. When sacchrides such as glucose were added to the complex, the fluorescence spectra were changed remarkably. This means that the photosensitizers are dissociated from the surface of the metal nanoparticles with the interaction of sacchrides. Therefore, the optical properties of the metal nanoparticles-photosensitizers complexes are capable of control by molecular recognition on surface of particles.
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