In their catalytic center, hydrogenases manufacture molecular hydrogen (H2) from two protons and two electrons. They extract the protons required for this process from the surrounding water and transfer them – via a transport ...
Analytical Chemistry
Nov 9, 2018
0
5
Recent evidence demonstrates that the origins of photosynthesis can be found in deep sea hydrothermal vents, where microbes evolved to obtain energy from ejected hydrogen sulfide and methane gases. These microbes are capable ...
Biotechnology
Feb 13, 2017
0
18
A team led by the Department of Energy's Oak Ridge National Laboratory used neutron analysis to better understand a protein implicated in the replication of HIV, the retrovirus that causes AIDS. The enzyme, known as HIV-1 ...
Biochemistry
May 20, 2016
0
517
How can we ensure safe, fast and efficient refuelling of hydrogen-powered cars, all at the same time? This brain teaser, key to the successful deployment of hydrogen technology in our future green economies, is being mulled ...
Energy & Green Tech
Dec 24, 2014
0
0
(Phys.org)—"The origin and evolution of eukaryotes" is a tale that has yet to be told. At this point in time, it exists only as the title of a fascinating new compendium that has just been produced by the Cold Spring Harbor ...
Bacteria can move electrons at least half a millimeter across a scaffolding made by themselves, of themselves, even under starving conditions. This new finding by EMSL staff and users challenges conventional wisdom, which ...
Biochemistry
May 24, 2013
0
0
Researchers of the Max-Born-Institute at Berlin, Germany, have observed how biomolecules transfer energy into extremely small water droplets in their environment. A water shell consisting of only 3 water molecules around ...
Materials Science
Nov 30, 2012
0
0
Toxic chemicals wreak havoc on cells, damaging DNA and other critical molecules. A new study from researchers at MIT and the University at Albany reveals how a molecular emergency-response system shifts the cell into damage-control ...
Cell & Microbiology
Jul 3, 2012
0
0
For a long time miniaturization has been the magic word in electronics. Dr. Willi Auwaerter and Professor Johannes Barth, together with their team of physicists at the Technische Universitaet Muenchen (TUM), have now presented ...
Nanophysics
Dec 12, 2011
0
0
NASA's new J-2X rocket engine, which could power the upper stage of the nation's future heavy-lift launch vehicle, is ready for its first round of testing. The fully assembled engine was installed Saturday in the A-2 Test ...
Space Exploration
Jun 14, 2011
0
0
