Direct Electron Transfer between Carbon Electrodes, Immobilized Mediator and an Immobilized Viologen‐accepting Pyridine Nucleotide Oxidoreductase | Zendy

Günther Helmut | Zendy; Paxinos Antonios S. | Zendy; Schulz Michael | Zendy; van Dijk Cees | Zendy; Simon Helmut | Zendy

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Direct Electron Transfer between Carbon Electrodes, Immobilized Mediator and an Immobilized Viologen‐accepting Pyridine Nucleotide Oxidoreductase

Author(s) -

Günther Helmut,

Paxinos Antonios S.,

Schulz Michael,

van Dijk Cees,

Simon Helmut

Publication year - 1990

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199010531

Subject(s) - electron transfer , viologen , electrode , chemistry , covalent bond , redox , cathode , carbon fibers , oxidoreductase , bioelectrochemistry , photochemistry , inorganic chemistry , chemical engineering , electrochemistry , materials science , organic chemistry , enzyme , composite number , composite material , engineering

The electron transfer between electrodes and the redox‐active prosthetic groups of oxidoreductases is usually too slow to be measurable, unless a mediator is used. Now, a mediator and the enzyme have been covalently immobilized on a functionalized carbon electrode. The electrons can thus flow from the cathode to the oxidoreductase via a “molecular wire”. The use of carbon felt having a larger inner surface area as electrode affords current densities at the lower end of the range used in industrial processes.

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