'Wiring up' enzymes for producing hydrogen in fuel cells

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Computer graphic representation of a single-walled carbon nanotube (elongated structure) Credit: Courtesy of Michael J. Heben National Renewable Energy Laboratory
Computer graphic representation of a single-walled carbon nanotube (elongated structure) Credit: Courtesy of Michael J. Heben, National Renewable Energy Laboratory

Researchers in Colorado are reporting the first successful “wiring up” of hydrogenase enzymes. Those much-heralded proteins are envisioned as stars in a future hydrogen economy where they may serve as catalysts for hydrogen production and oxidation in fuel cells. Their report, describing a successful electrical connection between a carbon nanotube and hydrogenase, is scheduled for the Nov. issue of Nano Letters.


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