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Dynamic study of photosensitized one-electron oxidation of polyG by menadione
被引：0
作者：
MA JianhuaLIN WeizhenDU FuqiangHAN ZhenhuiYAO Side LIN Nianyun College of Biology EngineeringJimei UniversityXiamen ChinaLaboratory of Nanobiomedicine Laboratory of Radiation ChemistryShanghai Institute of Applied PhysicsChinese Acade SciencesShanghai China
[1
,2
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,361021
,2
,201800
]
机构：
关键词：
menadione;
polyG;
laser flash photolysis;
triplet state;
one electron oxidation;
D O I：
暂无
中图分类号：
O621 [有机化学一般性问题];
学科分类号：
070303 ;
081704 ;
摘要：
The electron transfer reaction of triplet menadione (3MQ?) with polyguanylic acid (polyG) in CH3CN rich (97%) solution was investigated by 248 nm(KrF) laser flash photolysis.The transient absorption spectra and kinetics obtained from the interaction of 3MQ? with polyG demonstrated that the primary radical ion pair,radical cation of polyG and radical anion of me-nadione can be detected simultaneously.The results demonstrated that the reaction rate con-stant of 3MQ? with polyG is almost equal to that of 3MQ? with dGMP.
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页码：292 / 296
页数：5
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