Brief Communication abstract

Nature Chemical Biology 3, 761 - 762 (2007)
Published online: 11 November 2007 | doi:10.1038/nchembio.2007.47

Enzymatic catalysis on conducting graphite particles

Kylie A Vincent1, Xiang Li1, Christopher F Blanford1, Natalie A Belsey1, Joel H Weiner2 & Fraser A Armstrong1


A new concept for enzyme-catalyzed redox transformations features pairs of electron donor and acceptor enzymes attached to conducting particles. Electrons furnished by oxidation at one enzyme are used at the other. Graphite microparticles modified with hydrogenase and nitrate reductase or fumarate reductase catalyze reductions of nitrate or fumarate (1) by H2.

  1. Department of Chemistry, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, UK.
  2. Membrane Protein Research Group, Department of Biochemistry, 474 Medical Sciences Building, University of Alberta, Edmonton, Alberta T6G 2H7, Canada.

Correspondence to: Fraser A Armstrong1 e-mail:


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