University of Oregon chemists say that ultra-thin films of nickel and iron oxides made through a solution synthesis process are promising catalysts to combine with semiconductors to make devices that capture sunlight and ...
Materials Science
Mar 20, 2013
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(Phys.org)—In the galactic scheme of things, the Sun is a remarkably constant star. While some stars exhibit dramatic pulsations, wildly yo-yoing in size and brightness, and sometimes even exploding, the luminosity of ...
Space Exploration
Jan 11, 2013
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Certain plants and animals protect themselves against temperatures below freezing with antifreeze proteins. How the larva of the beetle Dendroides canadensis manages to withstand temperatures down to -30 degrees Celsius is ...
Materials Science
Jan 2, 2013
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(Phys.org)—New research from North Carolina State University provides molecular-level insights into how cellulose – the most common organic compound on Earth and the main structural component of plant cell walls – breaks ...
Biochemistry
Dec 14, 2012
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The world's smallest reaction chamber, with a mixing volume measured in femtolitres (million billionths of a litre), can be used to study the kind of speedy, nanoscale biochemical reactions that take place inside individual ...
Analytical Chemistry
Dec 6, 2012
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(Phys.org)—Research that sheds new light on the microscopic chemical physics driving one of the most important reaction sequences in atmospheric chemistry is published in Science today by Dr David Glowacki from the University ...
General Physics
Sep 3, 2012
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Northwestern University scientists have connected 250 years of organic chemical knowledge into one giant computer network -- a chemical Google on steroids. This "immortal chemist" will never retire and take away its knowledge ...
Other
Aug 22, 2012
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(Phys.org) -- The whereabouts of exceedingly slow-moving molecules in glasses can be quickly and efficiently measured, thanks to a new technique that uses vapor and extreme cold to drop the molecules' speed a trillion times. ...
Condensed Matter
Jun 21, 2012
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Light of specific wavelengths can be used to boost an enzyme's function by as much as 30 fold, potentially establishing a path to less expensive biofuels, detergents and a host of other products.
Materials Science
Apr 17, 2012
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A polymer is a mesh of chains, which slowly break over time due to the pressure from ordinary wear and tear. When a polymer is squeezed, the pressure breaks chemical bonds and produces free radicals: ions with unpaired electrons, ...
Polymers
Mar 2, 2012
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