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The enhancement of iron-dependent luminol peroxidation by 2,2′-Dipyridyl and nitrilotriacetate

✍ Scribed by Henley, R. ;Worwood, M.

Publisher
John Wiley and Sons
Year
1994
Weight
461 KB
Volume
9
Category
Article
ISSN
0884-3996

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✦ Synopsis

Abstract

The generation of radicals from luminol and H~2~O~2~, in the presence of iron and iron chelates was monitored by measuring the chemiluminescence produced by further oxidation of these radicals. 2,2′‐Dipyridyl enhanced the production of chemiluminescence in the presence of FeSO~4~, farritin and haemosiderin but not FeCI~3~ or horseance of both FeSO~4~ and FeCI~3~ but not ferritin or haemosiderin. The enhancement of chemiluminescence by iron chelation may have analytical applications and the process by which these iron chelates are able to generate radicals from the nitrogenous base luminol may be similar to that responsible for their toxic effects on DNA.

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