Progress Toward a Biological Fuel Cell?
(PhysOrg.com) -- Biological fuel cells use enzymes or whole microorganisms as biocatalysts for the direct conversion of chemical energy to electrical energy. One type of microbial fuel cell uses anodes...
View ArticleStudy probes potential link between cancer and a common chemical in consumer...
A study led by a group of Nanyang Technological University (NTU) researchers has found that a chemical commonly used in consumer products can potentially cause cancer.
View ArticleAustralians risking skin cancer to avoid nanoparticles
More than three in five Australians are concerned enough about the health implications of nanoparticles in sunscreens to want to know more about their impact. And while the initial scientific...
View ArticleNanoscale composites improve MRI: Researchers merge magnetic particles to...
(Phys.org) —Submicroscopic particles that contain even smaller particles of iron oxide could make magnetic resonance imaging (MRI) a far more powerful tool to detect and fight disease.
View ArticleDefects make catalysts perfect
There is now one less mystery in chemical production plants. For many decades industry has been producing methanol on a large scale from a mixture of carbon dioxide and carbon monoxide, as well as...
View Article'Metamaterials,' quantum dots show promise for new technologies
(Phys.org) -- Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications...
View ArticleCloud seeds and ozone holes
New findings on the growth of ice clusters in Polar Stratospheric Clouds could help clarify the process of ozone depletion in the atmosphere.
View ArticleNew data suggest bacteria have a direct effect on rock weathering
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...
View ArticleDesigner particles stand in for layers of subsurface minerals
(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...
View ArticleResearchers observe, control, and optimize the growth of individual carbon...
(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...
View ArticleGases from grasses: Simulations on Ranger supercomputer help researchers...
Researchers from the University of Virginia used computer simulations and laboratory experiments to discover a reaction site on gold-titanium oxides that is responsible for high rates of catalysis...
View ArticleA clearer look at how iron reacts in the environment
(Phys.org)—Using ultrafast X-rays, scientists for the first time have watched how quickly electrons hop their way through rust nanoparticles.
View ArticleBreakthrough iron-based superconductors set new performance records
(Phys.org)—The road to a sustainably powered future may be paved with superconductors. When chilled to frigid temperatures hundreds of degrees Celsius below zero, these remarkable materials are...
View ArticleBiological wires carry electricity thanks to special amino acids
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...
View ArticleFour countries bring air pollution under EU limit
Eight European Union countries exceeded the bloc's air pollution limits in 2011, down from 12 the previous year, the European Environment Agency said in a report published on Monday.
View ArticleDevelopment of a superior random laser element using submicrometer-sized zinc...
AIST researchers have demonstrated that when optical defect particles are introduced into a thin film made of homogenized zinc oxide (ZnO) particles obtained by the submicrometer-sized spherical...
View ArticleResearchers pinpoint how trees play role in smog production
After years of scientific uncertainty and speculation, researchers at the University of North Carolina at Chapel Hill show exactly how trees help create one of society's predominant environmental and...
View ArticleOptical magnetic microscope for high-resolution, wide-field cell imaging
(Phys.org) —Nano-sized crystals of magnetic material can be found in a wide variety of organisms. Among the most studied are magnetotactic bacteria, which can orient and navigate using biosynthesized...
View ArticleUltraresponsive magnetic nanoscavengers for next generation water purification
(Phys.org) —Among its many talents, silver is an antibiotic. Titanium dioxide is known to glom on to certain heavy metals and pollutants. Yet other materials do the same for salt. In recent years,...
View Article'Popcorn' particle pathways promise better lithium-ion batteries
Researchers at Sandia National Laboratories have confirmed the particle-by-particle mechanism by which lithium ions move in and out of electrodes made of lithium iron phosphate (LiFePO4, or LFP),...
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