The Reaction of no With Superoxide |
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| Authors: | Robert E. Huie S. Padmaja |
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| Affiliation: | a Chemical Kinetics and Thermodynamics Division, National Institute of Standards and Technology, Gaithersburg, MD, USA |
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| Abstract: | The rate constant for the reaction of NO with ·O2- was determined to be (6.7 ± 0.9) × 109 1 mol-1 s-1, considerably higher than previously reported. Rate measurements were made from pH 5.6 to 12.5 both by monitoring the loss of ·O2- and the formation of the product -OONO. The decay rate of -OONO, in the presence of 0.1 moll-1 formate, ranges from 1.2s-1 at pH 5 to about 0.2s-1 in strong base, the latter value probably reflecting catalysis by formate. |
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| Keywords: | Endothelium-derived relaxing factor nitric oxide peroxynitrite superoxide anion |
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