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Title

Induction of a proton gradient across a gold-supported biomimetic membrane by electroenzymatic H2 oxidation

AuthorsGutiérrez-Sanz, Óscar ; Tapia, Cristina; Marques, Marta C.; Zacarias, Sonia; Vélez, Marisela ; Pereira, Inês A. C.; López de Lacey, Antonio
KeywordsProton gradient
Enzymatic electrode
Hydrogenase
Hydrogen
Phospholipids
Issue Date2015
PublisherWiley-VCH
CitationAngewandte Chemie International Edition 54: 2684-2687 (2015)
Abstract[EN] Energy-transduction mechanisms in living organisms, such as photosynthesis and respiration, store light and chemical energy in the form of an electrochemical gradient created across a lipid bilayer. Herein we show that the proton concentration at an electrode/phospholipid-bilayer interface can be controlled and monitored electrochemically by immobilizing a membrane-bound hydrogenase. Thus, the energy derived from the electroenzymatic oxidation of H2 can be used to generate a proton gradient across the supported biomimetic membrane. © 2015 Wiley-VCH Verlag GmbH & Co. KGaA.
URIhttp://hdl.handle.net/10261/142705
DOI10.1002/anie.201411182
Identifiersdoi: 10.1002/anie.201411182
issn: 1433-7851
e-issn: 1521-3773
Appears in Collections:(ICP) Artículos
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