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Beyond the hype and the scare stories, how safe are nanoparticles?
The May issue of Nano Today (www.nanotoday.com) launches a dedicated forum for debate on the effects of nanoparticles on human health. In "Nanotechnology: assessing the risks", Andrew Maynard of the Woodrow Wilson International Center for Scholars calls for a strategic approach to research on potential risks to ensure the development of... view more... (2006-05-24)
The UAB heads a European research project on proteases and pathological processes
A research group of the UAB Institute of Biotechnology and Biomedicine and the UAB Department of Biochemistry and Molecular Biology, directed by Francesc Xavier Avilés, is the coordinator of a European project aimed at studying proteases with fluorescent molecules that allow their monitoring in healthy and pathological situations. view more (2007-07-18)
Silica smart bombs deliver knock-out to bacteria
Bacteria mutate for a living, evading antibiotic drugs while killing tens of thousands of people in the United States each year. view more (2008-02-26)
Scorpion venom with nanoparticles slows spread of brain cancer
By combining nanoparticles with a scorpion venom compound already being investigated for treating brain cancer, University of Washington researchers found they could cut the spread of cancerous cells by 98 percent, compared to 45 percent for the scorpion venom alone. view more (2009-04-17)
Nanotechnology enables low-dose treatment of atherosclerotic plaques
In laboratory tests, one very low dose of a drug was enough to show an effect on notoriously tenacious artery-clogging plaques. What kind of drug is that potent? view more (2006-07-28)
Nanotechnologies Bring Great Potential And Need For Responsible Development
Nanotechnology offers many potential benefits, but its development must be guided by appropriate safety assessments and regulation to minimise any possible risks to people and the environment, according to a report published today (29 July 2004) by the Royal Society and the Royal Academy of Engineering. The report was commissioned by the UK... view more... (2004-07-29)
New technology shows promise against resistant staph infections
Scientists at Albert Einstein College of Medicine of Yeshiva University have combined their revolutionary new drug-delivery system with a powerful antimicrobial agent to treat potentially deadly drug-resistant staph infections in mice. view more (2009-05-01)
Nanoparticle created to attack cardiovascular plaque
Scientists and engineers at UC Santa Barbara and the Burnham Institute for Medical Research have developed a nanoparticle that can attack plaque-a major cause of cardiovascular disease. view more (2009-06-08)
Supermarket lighting enhances nutrient level of fresh spinach
Far from being a food spoiler, the fluorescent lighting in supermarkets actually can boost the nutritional value of fresh spinach, scientists are reporting. view more (2010-03-04)
Facile synthesis of nanoparticles with multiple functions advanced in Singapore
Nanostructured materials have garnered great interest worldwide due to their unique size-dependent properties for chemical, electronic, structural, medical and consumer applications. view more (2009-07-14)
Gold nanoparticles prove to be hot stuff
Gold nanoparticles are highly efficient and sensitive "handles" for biological molecules being manipulated and tracked by lasers, but they also can heat up fast-by tens of degrees in just a few nanoseconds-which could either damage the molecules or help study them. view more (2006-09-01)
Nanoprobes hit targets in tumors, could lessen chemo side effects
Tiny nanoprobes have shown to be effective in delivering cancer drugs more directly to tumor cells - mitigating the damage to nearby healthy cells - and Purdue University research has shown that the nanoprobes are getting the drugs to right cellular compartments. view more (2009-12-15)
Pairing Nanoparticles with Proteins
In groundbreaking research, scientists have demonstrated the ability to strategically attach gold nanoparticles - particles on the order of billionths of a meter - to proteins so as to form sheets of protein-gold arrays. view more (2007-06-28)
New ORNL process brings nanoparticles into focus
Scientists can study the biological impacts of engineered nanomaterials on cells within the body with greater resolution than ever because of a procedure developed by researchers at the Department of Energy's Oak Ridge National Laboratory. view more (2008-06-24)
Breakthroughs in nanotechnology on edge of 'knowledge frontier'
University of Missouri scientist Kattesh Katti recently discovered how to make gold nanoparticles using gold salts, soybeans and water. Katti's research has garnered attention worldwide and the environmentally-friendly discovery could have major applications in several disciplines. view more (2008-02-29)
Making proteins glow blue
In the beginning, there was protein. 19th-century scientists at least believed that this group of organic compounds were based on some kind of primeval matter. Therefore they named them "proteins" - derived from the Greek word "protos" (the first). It is meanwhile known that the structure of proteins is ultimately determined by... view more... (2003-09-18)
DNA gets new twist: Carnegie Mellon scientists develop unique 'DNA nanotags'
Carnegie Mellon University scientists have married bright fluorescent dye molecules with DNA nanostructure templates to make nanosized fluorescent labels that hold considerable promise for studying fundamental chemical and biochemical reactions in single molecules or cells. view more (2007-01-29)
Nanoparticles carry cancer-killing drugs into tumor cells
University of Michigan scientists have created the nanotechnology equivalent of a Trojan horse to smuggle a powerful chemotherapeutic drug inside tumor cells - increasing the drug's cancer-killing activity and reducing its toxic side effects. view more (2005-06-15)
New technology illuminates protein interactions in living cells
While fluorescence has long been used to tag biological molecules, a new technology developed at Yale allows researchers to use tiny fluorescent probes to rapidly detect and identify protein interactions within living cells while avoiding the biological disruption of existing methods, according to a report in Nature Chemical Biology. view more (2007-11-12)
Gold, copper nanoparticles take center stage in the search for hydrogen production catalysts
X-ray studies at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory are pointing the way to less costly and more efficient catalysts for improving the performance of fuel cells. view more (2007-03-29)
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