News tagged with gold

A layered nanostructure held together by DNA

(Phys.org) —Dreaming up nanostructures that have desirable optical, electronic, or magnetic properties is one thing. Figuring out how to make them is another. A new strategy uses the binding properties ...

Mar 20, 2014
5 / 5 (5) 0

Earth's gold came from colliding dead stars

We value gold for many reasons: its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it cannot ...

Jul 17, 2013
4.7 / 5 (48) 90 | 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

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