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Electrochemical kinetic investigations of the reactions of [FeFe]-hydrogenases with carbon monoxide and oxygen: comparing the importance of gas tunnels and active-site electronic/redox effects.

Abstract:

A major obstacle for future biohydrogen production is the oxygen sensitivity of [FeFe]-hydrogenases, the highly active catalysts produced by bacteria and green algae. The reactions of three representative [FeFe]-hydrogenases with O(2) have been studied by protein film electrochemistry under conditions of both H(2) oxidation and H(2) production, using CO as a complementary probe. The hydrogenases are DdHydAB and CaHydA from the bacteria Desulfovibrio desulfuricans and Clostridium acetobutylicu...

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Publication status:
Published

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Publisher copy:
10.1021/ja905388j

Authors


Brandmayr, C More by this author
Stripp, ST More by this author
Cavazza, C More by this author
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Journal:
Journal of the American Chemical Society
Volume:
131
Issue:
41
Pages:
14979-14989
Publication date:
2009-10-05
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
URN:
uuid:bfcf5b17-b950-482d-a7ca-db8d16d9550e
Source identifiers:
41453
Local pid:
pubs:41453

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