Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. An enzyme in certain microorganisms that catalyzes the hydrolysis or reduction of a substrate by molecular hydrogen.
Century Dictionary and Cyclopedia
- n. A type of reducing ferment.
Wiktionary
Examples
“Even more interesting, lately, in the last couple of weeks, people have seen that there's an enzyme called hydrogenase that's able to evolve hydrogen from proton and electrons.”
“During fermentation, hydrogen is released though the action of an enzyme called hydrogenase, powered by electrons generated by either the breakdown of organic compounds or the splitting of water by photosynthesis.”
“By blocking and modifying some of these metabolic pathways, we may be able to augment the donation of electrons to hydrogenase under anaerobic conditions and produce elevated levels of hydrogen.”
“The bacteria consumed the sugar and produced hydrogen, which they make with the enzyme hydrogenase, and organic acids.”
“The researchers concluded that it could be possible to close the oxygen pathways of hydrogenase through genetic modification of the protein and, thereby, increase the tolerance of hydrogenases to oxygen without disrupting the release of hydrogen gas.”
Illinois Scientists Create Computer Model of Enzymatic Hydrogen Production
“Currently, the algae cells cycle between photosynthesis and hydrogen production because the hydrogenase enzyme which makes the hydrogen cant function in the presence of oxygen.”
“A bigger challenge, and one thats further down the road to solving, is improving the efficiency of the hydrogenase itself.”
“Photosynthesis is modulated by oxygen, and we have an oxygen-insensitive hydrogenase that we think will totally change this process.”
“And a team has now just been able to mimic that hydrogen-juggling hydrogenase.”
“Trouble is, the enzyme that propels the reaction hydrogenase stalls in the presence of oxygen, and – think back to high school bio – plants naturally produce oxygen during photosynthesis.”
The Newest Fuel – Genetically Enhanced Pond Scum | Impact Lab
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