Pulse radiolytic study on mechanism of the .OH radical induced oxidation of phosphorylmethionine in aqueous solution

Acta Chimica Sinica ›› 1997, Vol. 55 ›› Issue (7): 703-709. Previous Articles Next Articles

Original Articles

.OH诱导氧化磷酰化甲硫氨酸机理的脉冲辐解研究

储高升;姚思德;张曼维;张志成;王文峰;汪世龙

中国科学技术大学应用化学系辐射化学教研室;中国科学院上海原子核研究所;中国科学院辐射化学开放研究实验室

发布日期:1997-07-15

Pulse radiolytic study on mechanism of the .OH radical induced oxidation of phosphorylmethionine in aqueous solution

YAO SIDE;ZHANG MANWEI;ZHANG ZHICHENG;WANG WENFENG;WANG SHILONG

Published:1997-07-15

Abstract

The .OH radical induced oxidation process of N-Diisopropyloxy-phosphonylmethionine (NDM) in N2O-saturated aqueous solution has been investigated by pulse radiolysis techniques. It was found that .OH radical attacked the sulfur atom in NDM to produce a sulfur-containing three-electronbonded (NDM2^+[S]) radical cation which showed a characteristic absorption peak at 480nm. The formation and decay rate constants of this transient species have been determined and the reaction mechanisms under identical conditions of NDM and Met have been compared.

Key words: OXIDATION, REACTION MECHANISM, INDUCTION

CLC Number:

O615

Cite this article

YAO SIDE;ZHANG MANWEI;ZHANG ZHICHENG;WANG WENFENG;WANG SHILONG. Pulse radiolytic study on mechanism of the .OH radical induced oxidation of phosphorylmethionine in aqueous solution[J]. Acta Chimica Sinica, 1997, 55(7): 703-709.

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.OH诱导氧化磷酰化甲硫氨酸机理的脉冲辐解研究

Pulse radiolytic study on mechanism of the .OH radical induced oxidation of phosphorylmethionine in aqueous solution

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