News tagged with gold

Bovine blood keeps gold nanoparticles stable

(Phys.org) —A protein from cow blood has the remarkable ability to keep gold nanoparticles from clumping in a solution. The discovery could lead to improved biomedical applications and contribute to projects ...

May 14, 2013
5 / 5 (2) 0 | with audio podcast

Gold nanoparticles: A new delivery for cancer drugs

(Phys.org) —The protein tumor necrosis factor-alpha (TNF-alpha) is a powerful weapon in the arsenal to control cancer. Unfortunately, as is the case with many potent cancer therapies, the use of TNF-alpha as an anti-cancer ...

May 08, 2013
3.9 / 5 (10) 0

Scientists image nanoparticles in action

(Phys.org) —The macroscopic effects of certain nanoparticles on human health have long been clear to the naked eye. What scientists have lacked is the ability to see the detailed movements of individual ...

Apr 25, 2013
4.4 / 5 (5) 0 | with audio podcast

Pure gold nanoparticles can inhibit fat storage

(Phys.org) —New research reveals that pure gold nanoparticles found in everyday items such as personal care products, as well as drug delivery, MRI contrast agents and solar cells can inhibit adipose (fat) ...

Apr 18, 2013
4.3 / 5 (13) 5 | with audio podcast

How organic magnets grow in a thin film

(Phys.org) —Development of organic single molecule magnets opens a great many of applications for magnetic materials and new memory technologies. Organic magnets are lighter, more flexible and less energy intensive in production ...

Mar 23, 2013
4.9 / 5 (50) 0 | with audio podcast

Study finds mounting mercury threat in Peru Amazon

A study of mercury contamination in a southeastern Peruvian jungle area ravaged by illegal gold mining found unsafe levels of the toxic metal in 78 percent of adults in the regional capital and in 60 percent of fish sold ...

Mar 21, 2013
5 / 5 (2) 0