Hydrogen-making Algae's 'Achilles' Heel' Discovered

Scientists have discovered how oxygen stops green algae from producing hydrogen. The findings could help those working towards ‘solar H2-farms’ in which microorganisms produce hydrogen fuel from sunlight and water.

The team used electrochemical kinetic methods to determine the order of events in which oxygen attacks the active site of an iron-iron hydrogenase found in the green algae Chlamydomonas reinhardtii. They combined their observations with data obtained from X-ray absorption spectroscopy.

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