Communication

Chem. Commun., 2009, 7494 - 7496, DOI: 10.1039/b919976d

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Highly ordered transparent mesoporous TiO₂ thin films: an attractive matrix for efficient immobilization and spectroelectrochemical characterization of cytochrome c

Christophe Renault, Véronique Balland, Eugenia Martinez-Ferrero, Lionel Nicole, Clément Sanchez and Benoît Limoges

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We demonstrate remarkably fast incorporation and high loading of cytochrome c within thin films of periodically ordered nanocrystalline TiO₂ deposited on transparent electrodes. The immobilized cytochrome c is not denaturated and it can be reversibly reduced without mediator over the time scale of a few seconds as evidenced by spectroelectrochemistry.

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