Thermoelectric materials can be used to turn waste heat into electricity or to provide refrigeration without any liquid coolants, and a research team from the University of Michigan has found a way to nearly double the efficiency ...
Nanomaterials
May 5, 2013
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The enzyme needed to introduce the key micronutrient selenium into bacteria looks something like a space station with 10 different docking stations.
Biochemistry
Apr 5, 2013
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(Phys.org)—Scientists have discovered that a solar cell consisting of two or three layers of quantum dots, with each layer tuned to a different part of the solar spectrum, has an efficiency that is 40-60% higher than the ...
Selenium is an inexpensive element that naturally belongs in the body. It is also known to combat bacteria. Still, it had not been tried as an antibiotic coating on a medical device material. In a new study, Brown University ...
Bio & Medicine
Jun 21, 2012
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(Phys.org) -- Entomologists at the University of California, Riverside have a “proof of concept” that selenium, a nonmetal chemical element, can disrupt the foraging behavior and survival of honey bees.
Plants & Animals
Apr 25, 2012
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Spanish and Danish researchers have developed a method for the in vivo study of the unknown metabolism of selenium, an essential element for living beings. The technique can help clarify whether or not it possesses the anti-tumour ...
Analytical Chemistry
Mar 21, 2012
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(PhysOrg.com) -- Superconductivity is a rare physical state in which matter is able to conduct electricity -- maintain a flow of electrons -- without any resistance. This phenomenon can only be found in certain materials ...
Superconductivity
Feb 22, 2012
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A more cost-effective, longer-lasting selenium supplement for livestock may soon be available, according to a U.S. Department of Agriculture (USDA) scientist.
Plants & Animals
Feb 16, 2012
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A U.S. Department of Agriculture (USDA) scientist has discovered what may be an effective tool for cleaning up soils and waterways in parts of California's San Joaquin Valley: a drought-tolerant cactus.
Environment
Jan 19, 2012
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A young scientist from The Hong Kong Polytechnic University (PolyU)'s Food Safety and Technology Research Centre (FSTRC) has successfully prepared highly stable selenium nanoparticles by using the polysaccharide-protein complex ...
Bio & Medicine
Dec 21, 2011
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