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Issue 3, 2011
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Kinetics and mechanism of NO production in the RuIII-(edta) mediated oxidation of l-arginine with H2O2

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Abstract

The kinetics of the RuIII-(edta) (edta4− = ethylenediaminetetraacetate) catalyzed oxidation of L-arginine by H2O2 mimicking the action of nitric oxide synthases (NOSs) has been studied spectrophotometrically. The time course of the reaction of [RuV(edta)O] with L-arginine was followed at 390 nm under catalytic turn-over conditions. Formation of NO in the reacting system has been confirmed with an isolated nitric oxide free radical analyzer. A detailed reaction mechanism in agreement with the spectral and kinetic data is presented.

Graphical abstract: Kinetics and mechanism of NO production in the RuIII-(edta) mediated oxidation of l-arginine with H2O2

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Article information


Submitted
13 Jun 2010
Accepted
25 Oct 2010
First published
30 Nov 2010

Dalton Trans., 2011,40, 683-685
Article type
Paper

Kinetics and mechanism of NO production in the RuIII-(edta) mediated oxidation of L-arginine with H2O2

D. Chatterjee, S. Ghosh and U. Pal, Dalton Trans., 2011, 40, 683
DOI: 10.1039/C0DT00650E

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