MEASUREMENT OF FORMAL POTENTIALS FOR HYPERICIN IN DIMETHYLSULFOXIDE

被引:45
作者
REDEPENNING, J
TAO, NB
机构
[1] Department of Chemistry, University of Nebraska, Lincoln, Nebraska
关键词
D O I
10.1111/j.1751-1097.1993.tb04927.x
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The formal potentials for hypericin are measured in dimethylsulfoxide using cyclic voltammetry. Two reversible one-electron reductions and a more poorly defined multielectron oxidation are observed. The formal potentials for these processes are consistent with the visible spectrum of hypericin and they indicated that hypericin is both a good oxidizing agent and a good reducing agent in the excited state.
引用
收藏
页码:532 / 535
页数:4
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