期刊
FREE RADICAL BIOLOGY AND MEDICINE
卷 36, 期 3, 页码 380-387出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.freeradbiomed.2003.11.017
关键词
aluminum; pro-oxidant; superoxide; Fenton chemistry; biological oxidation; free radical
Aluminum, a non-redox-active metal is, nevertheless, a pro-oxidant both in in vitro preparations and in vivo. It facilitates both superoxide- and iron-driven biological oxidation by mechanisms that remain to be resolved. More than 10 years ago Fridovich and colleagues suggested that the facilitation of superoxide-driven biological oxidation by aluminum was due to an interaction between the metal and the superoxide radical anion (Free Radic. Biol. Med. 13:7981; 1992). This thesis has been examined herein and it is concluded that much, if not all, of the pro-oxidant activity of aluminum might be explained by the formation of an aluminum superoxide semireduced radical ion. (C) 2003 Elsevier Inc. All rights reserved.
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