TritonX-100 selective chemosensor based on β-cyclodextrin modified by anthracene derivative
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概要
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β-Cyclodextrin (CD) modified by 2-(9-anthracenecarboxamido)phenyl group (Ant-CD) was synthesized and their complexation behavior was investigated by UV and fluorescence spectroscopy. Fluorescence intensity of Ant-CD was dramatically enhanced c.a. ten-fold by the addition of TritonX-100 (TX-100) in water below the critical micelle concentration. Ant-CD also showed ca. 4-fold fluorescence increasing in the addition of analogous materials, n-octylbenzenesulfonate in water. These results indicate that Ant-CD can act as a highly sensitive and selective chemosensor for TX-100. Ant-CD and TX-100 formed a pseudorotaxane supramolecular complex. This result was supported by 1H-1H NOESY NMR measurement.
- 2010-09-15
著者
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Morozumi Tatsuya
Research Faculty Of Environmental Earth Science Hokkaido University
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Morozumi T
Research Faculty Of Environmental Earth Science Hokkaido University
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Morozumi Tatsuya
Section Of Materials Science Faculty Of Environmental Earth Science Hokkaido University
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Nakamura Hiroshi
Department Of Analytical Chemistry Faculty Of Pharmaceutical Sciences Tokyo University Of Science
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