Reevaluation of the reactivity of hydroxylamine with O2-/HO2 |
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| Authors: | B H Bielski R L Arudi D E Cabelli W Bors |
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| Affiliation: | 1. Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973, USA;1. Abteilung für Strahlenbiologie, Institut für Biologie, Gesellschaft für Strahlen- und Umweltforschung, 8042 Neuherberg, West Germany |
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| Abstract: | The reactivity of hydroxylamine with HO2/O2- radicals was studied by pulse radiolysis and stopped-flow photolysis over a pH range of 1.1-10.5. Upper limits for the rate of reaction indicate that hydroxylamine, if it reacts at all, reacts at a very slow rate. Its use as an indicator for O-2 and an assay for superoxide dismutase is, therefore, inappropriate. |
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| Keywords: | hydroxylamine superoxide perhydroxyl radicals indicator aqueous |
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