Articles with the keyword: 
Enzyme structure reveals key ingredients for making hydrogen
sea-maid submitted, created time 3 months 3 weeks (www.nature.com)
Iron and carbon monoxide are the crucial ingredients that nature uses to process hydrogen, according to researchers. Resolving the structure of the last of the three known hydrogenase enzymes has excited chemists, who are keen to follow nature’s clear advice and develop their own hydrogen catalysts for energy applications. 
New Mode of Cell Communication Discovered
sumsung submitted, created time 10 months 1 week (sciencenow.sciencemag.org)
Like teenagers, cells in our bodies constantly chatter back and forth. But instead of zapping text messages, they relay signals with molecules. Now, researchers have discovered a surprisingly tiny new messenger in worms: protons.
Oil-eating bacteria make light work of heavy fuel
Eric wu submitted, created time 11 months 1 week (www.nature.com)
Researchers have worked out how natural bacteria deep within the Earth break down crude oil and produce methane. This knowledge could help with projects to encourage these bacteria to covert more oil, faster. And it could point towards a way to produce hydrogen — an even cleaner fuel — by using these natural fuel-processing plants.
Energy Boost Helps Microbes Make Hydrogen
Eric wu submitted, created time 1 year 1 week (sciencenow.sciencemag.org)
This article is on energy. It describes that microbes can make hydrogen by giving a little energy boost. The process comes out ahead in efficiency. That is because the hydrogen producing in the process contains nearly three times as much energy as added from the external power supply to get the electrons and protons to combine. It gives us a particular way to develop new energy, not only turning biomass to ethanol. So I commend the article.
fmbpt submitted, created time 1 year 3 months (pubs.acs.org)
Recently, Vakonakis and LiWang reported experimental evidence for stronger hydrogen bonds in RNA A:U than in DNA A:T base pairs. This conclusion is based on the observation that the deuterium isotope effect for H/D substitution at H3 of the pyrimidine base on the chemical shift of the adenine C2 atom is larger for A:U than for A:T. Such an isotope effect had previously been connected to hydroxyl torsional frequencies of intramolecularly hydrogen-bonded systems and empirical hydrogen-bond strengths
Hydrogen acts as a therapeutic antioxidant by selectively reducing cytotoxic oxygen radicals
addict submitted, created time 1 year 5 months (www.nature.com)
"Acute oxidative stress induced by ischemia-reperfusion or inflammation causes serious damage to tissues, and persistent oxidative stress is accepted as one of the causes of many common diseases including cancer. We show here that hydrogen (H2) has potential as an antioxidant in preventive and therapeutic applications. "
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