Magnetic field effect on the hydrogen abstraction of xanthone from xanthene in SDS micelles |
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| Authors: | Yoshifumi Tanimoto Masanobu Takashima Michiya Itoh |
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| Affiliation: | Faculty of Pharmarceutical Sciences, Kanazawa University, Takara-Machi, Kanazawa 920, Japan |
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| Abstract: | The magnetic field effect (<800 G) on the hydrogen abstraction of xanthone from xanthene in SDS aqueous micellar solutions was studied using laser flash photolysis. The rate of triplet-singlet intersystem crossing of the radical pair of xanthone ketyl and 9-xanthenyl formed upon photolysis decreases from 1.4 × 106 s?1 at O G to 0.4 × 106 s?1 at 640 G. |
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