Abstract
It is shown that for molecules of Allochromatium vinosum [NiFe]-hydrogenase adsorbed on a pyrolytic graphite electrode the nickel-iron active site catalyzes hydrogen oxidation at a diffusion-controlled rate matching that achieved by platinum.
Publication types
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Comparative Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Catalysis
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Chromatium / enzymology*
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Chromatium / growth & development
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Diffusion
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Electrochemistry / methods
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Electrodes
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Electron Transport
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Graphite / chemistry
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Hydrogen / chemistry*
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Hydrogenase / chemistry*
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Oxidation-Reduction
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Platinum / chemistry*
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Substrate Specificity
Substances
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Platinum
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Graphite
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Hydrogen
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nickel-iron hydrogenase
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Hydrogenase