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Functionalizing Nanocrystalline Metal Oxide Electrodes With Robust Synthetic Redox Proteins by Emmanuel Topoglidis; Bohdana M. Discher; Christopher C. Moser; P. Leslie Dutton; James R. Durrant is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is Functionalizing Nanocrystalline Metal Oxide Electrodes With Robust Synthetic Redox Proteins about?
## Abstract __De novo designed synthetic redox proteins (maquettes) are structurally simpler, working counterparts of natural redox proteins. The robustness and adaptability of the maquette protein scaffold are ideal for functionalizing electrodes. A positive amino acid patch has been designed into a maquette surface for strong electrostatic anchoring to the negatively charged surfaces of nanocrystalline, mesoporous TiO__~__2__~ __and SnO__~__2__~ __films. Such mesoporous metal oxide electrodes offer a major advantage over conventional planar gold electrodes by facilitating formation of high optical density, spectroelectrochemically active thin films with protein loading orders of magnitude greater (up to 8 nmol cm__^__−2__^__) than that achieved with gold electrodes. The films are stable for weeks, essentially all immobilized‐protein display rapid, reversible electrochemistry. Furthermore, carbon monoxide ligand binding to the reduced heme group of the protein is maintained, can be sensed optically and reversed electrochemically. Pulsed UV excitation of the metal oxide results in microsecond or faster photoreduction of an immobilized cytochrome and millisecond reoxidation. Upon su
Who reads Functionalizing Nanocrystalline Metal Oxide Electrodes With Robust Synthetic Redox Proteins?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Emmanuel Topoglidis; Bohdana M. Discher; Christopher C. Moser; P. Leslie Dutton; James R. Durrant
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 1439-4227)
- Published
- 2003
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)