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PublicationNano Letters
Year2007
Volume7
Pages1603-1608
International

Hydrogenase-coated carbon nanotubes for efficient H2 oxidation

Authors:M. Asunción Alonso-Lomillo , Olaf Rüdiger , Angel Maroto Valiente , Marisela Vélez Tirado, Inmaculada Rodríguez Ramos, J. Javier Muñoz , Víctor Manuel Fernández López, Antonio López de Lacey
Groups of research:BioElectroCatalysis
Multiwalled carbon nanotubes grown on gold electrodes manufactured by microtechnology techniques have been used as a platform for oriented and stable immobilization of a Ni−Fe hydrogenase. Microscopic and electrochemical characterization of the system are presented. High-density currents due to H2 oxidation electrocatalysis, stable for over a month under continuous operational conditions, were measured. The functional properties of this nanostructured hydrogenase electrode are suitable for hydrogen biosensing and biofuel applications.
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