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Synthesis of the H-cluster framework of iron-only hydrogenase

Author

Listed:
  • Cédric Tard

    (Department of Biological Chemistry)

  • Xiaoming Liu

    (Department of Biological Chemistry)

  • Saad K. Ibrahim

    (Department of Biological Chemistry)

  • Maurizio Bruschi

    (University of Milano-Bicocca)

  • Luca De Gioia

    (University of Milano-Bicocca)

  • Siân C. Davies

    (Department of Biological Chemistry)

  • Xin Yang

    (Washington State University
    Pacific Northwest National Laboratory)

  • Lai-Sheng Wang

    (Washington State University
    Pacific Northwest National Laboratory)

  • Gary Sawers

    (John Innes Centre)

  • Christopher J. Pickett

    (Department of Biological Chemistry)

Abstract

Fuel cells: iron is the new platinum In conventional hydrogen fuel cells the rapid interconversion of protons and electrons to hydrogen requires catalysis by expensive metals, usually platinum. In the living world enzymes catalyse this same reaction at extraordinary rates using abundant metals. Tard et al. now report the chemical synthesis of the iron–sulphur structure at the heart of the hydrogenase protein. The resulting iron–sulphur framework functions as an electrocatalyst for proton reduction, a potentially important step towards new materials to replace platinum in the anodes of fuel cells.

Suggested Citation

  • Cédric Tard & Xiaoming Liu & Saad K. Ibrahim & Maurizio Bruschi & Luca De Gioia & Siân C. Davies & Xin Yang & Lai-Sheng Wang & Gary Sawers & Christopher J. Pickett, 2005. "Synthesis of the H-cluster framework of iron-only hydrogenase," Nature, Nature, vol. 433(7026), pages 610-613, February.
    • Handle: RePEc:nat:nature:v:433:y:2005:i:7026:d:10.1038_nature03298
    DOI: 10.1038/nature03298
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