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Pure Appl. Chem. 76(2), 335-350, 2004

Pure and Applied Chemistry

Vol. 76, Issue 2

Probing fundamental mechanisms of nitric oxide reactions with metal centers

P. C. Ford

Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, CA 93106-9510, USA

Abstract: Studies in this laboratory have been concerned with mapping the chemical properties and mechanisms of NO interactions with hemes and other metal centers. These are models relevant to the mammalian biology of nitric oxide, an important bioregulatory molecule. Presented here will be an overview of flash photolysis kinetics investigations of ferri- and ferro-heme nitrosyl formation in model complexes and several heme proteins. Also described will be ongoing studies of reductive nitrosylation mechanisms involving the reactions of NO with water-soluble Fe(III) porphyrins and ferri-heme proteins and of several Cu(II) model complexes.

*Plenary lecture presented at the 2nd Santa Marķa Workshop on Chemistry Devoted to Bioinorganic Chemistry, Santa Marķa del Mar, Havana, Cuba, 7-11 July 2003. Other presentations are published in this issue, pp. 321-388.

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