Toshihiko Shibanuma, Dr. Ryuhei Nakamura, Yuichiro Hirakawa, Prof. Dr. Kazuhito Hashimoto and Prof. Dr. Kazuyuki Ishii Observation of In Vivo Cytochrome-Based Electron-Transport Dynamics Using Time-Resolved Evanescent Wave Electroabsorption Spectroscopy Angewandte Chemie International Edition 50
Morning light: In vivo photodissociation of CO from bacterial c-type cytochromes yields a redox-active Fe2+ form, which can be oxidized at an electrode surface to the Fe3+ form. Reduction by electrons from the metabolic pathway regenerates the Fe2+ form (see picture). Spectroscopic monitoring of this process yields information on the in vivo respiratory electron-transport dynamics.
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