Differential pulse polarography and electron spin resonance spectroscopy of nitroxyl free radicals used as ESR-spin probes

被引：9
|
作者：
Kroll, C [1 ]
Schwarz, KH [1 ]
Surmann, P [1 ]
Borchert, HH [1 ]
机构：
[1] Humboldt Univ, Inst Pharm, D-13086 Berlin, Germany
来源：
BIOELECTROCHEMISTRY AND BIOENERGETICS | 1999年 / 48卷 / 01期
关键词：
nitroxide free radicals; spin labels; differential pulse polarography; peak potentials;
D O I：
10.1016/S0302-4598(98)00219-0
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：
Differential pulse polarography (DPP) and electron spin resonance (ESR) were used to study the influence of substituents and of the pH of the medium on DPP peak potentials (electrochemical reduction) resp. k(reduction) (chemical reduction) of nitroxyl free radicals. The DPP peak potentials can be used to select the appropriate nitroxide spin label for relevant biochemical and biophysical applications. (C) 1999 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：233 / 236
页数：4
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