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Frequency and potential dependence of reversible electrocatalytic hydrogen interconversion by [FeFe]-hydrogenases

Abstract:

The kinetics of hydrogen oxidation and evolution by [FeFe]-hydrogenases have been investigated by electrochemical impedance spectroscopy-resolving factors that determine the exceptional activity of these enzymes, and introducing an unusual and powerful way of analyzing their catalytic electron transport properties. Attached to an electrode, hydrogenases display reversible electrocatalytic behavior close to the 2H+/H2 potential, making them paradigms for efficiency: the electrocatalytic "excha...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1073/pnas.1619961114

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Inorganic Chemistry
Oxford college:
St John's College
Role:
Author
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Name:
Biotechnology & Biological Sciences Research Council
Grant:
BB/N006321/1
Publisher:
National Academy of Sciences
Journal:
Proceedings of the National Academy of Sciences More from this journal
Volume:
114
Issue:
15
Pages:
3843-3848
Publication date:
2019-04-11
Acceptance date:
2019-03-02
DOI:
EISSN:
1091-6490
ISSN:
0027-8424
Pmid:
28348243
Language:
English
Keywords:
Pubs id:
pubs:688753
UUID:
uuid:fb55207a-8a21-4228-a474-3af086a9bdbe
Local pid:
pubs:688753
Source identifiers:
688753
Deposit date:
2019-03-06

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