Slender bacterial nanowires require certain key amino acids in order to conduct electricity, according to a study to be published in mBio, the online open-access journal of the American Society for Microbiology, on Tuesday, ...
Cell & Microbiology
Mar 12, 2013
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(Phys.org)—Using ultrafast X-rays, scientists for the first time have watched how quickly electrons hop their way through rust nanoparticles.
Condensed Matter
Dec 24, 2012
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(Phys.org)—The Southern Ocean, circling the Earth between Antarctica and the southernmost regions of Africa, South America, and Australia, is notorious for its High Nutrient, Low Chlorophyl zones, areas otherwise rich in ...
Earth Sciences
Dec 11, 2012
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(Phys.org)—Researchers from the NIST Center for Nanoscale Science and Technology and Arizona State University have used an environmental scanning transmission electron microscope (ESTEM) to control the size and placement ...
Nanomaterials
Nov 1, 2012
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(Phys.org)—Humans venturing beyond Earth orbit deeper into space face increased exposure to cosmic radiation, so ESA has teamed with Germany's GSI particle accelerator to test potential shielding for astronauts, including ...
Space Exploration
Oct 10, 2012
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(Phys.org)—To understand how underground pollutants react with magnetite and other minerals, scientists need an easy-to-use mineral stand-in. An international team led by Pacific Northwest National Laboratory created analogous ...
Nanomaterials
Sep 28, 2012
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New research shows that in a bid to derive energy from iron, bacteria may be directly responsible for kicking off a cascade of reactions that reduce rocks to soil and free biologically important minerals.
Cell & Microbiology
Sep 21, 2012
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An amorphous-seed mediated strategy has been developed in the Center for Nanoscale Materials Nanophotonics Group at the Argonne National Laboratory for creating bifunctional nanoparticles composed of silver and iron oxide ...
Nanomaterials
Aug 19, 2011
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(PhysOrg.com) -- Swapping the chemical groups that originally coat iron oxide nanoparticles and making the particles soluble in biological solvents shows great promise for medical applications, such as drug delivery and contrast ...
Bio & Medicine
Aug 17, 2011
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Fortified with iron: It's not just for breakfast cereal anymore. University of Illinois researchers have demonstrated a simpler method of adding iron to tiny carbon spheres to create catalytic materials that have the potential ...
Nanomaterials
Dec 15, 2010
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