News tagged with gold

Nanoparticles break the symmetry of light

How can a beam of light tell the difference between left and right? At the Vienna University of Technology (TU Wien) tiny particles have been coupled to a glass fibre. The particles emit light into the fibre ...

Oct 06, 2014
4.8 / 5 (13) 1

Researchers develop first single-molecule LED

The ultimate challenge in the race to miniaturize light emitting diodes (LED) has now been met: a team led by the Institut de Physique et de Chimie des Matériaux de Strasbourg has developed the first ever ...

Feb 03, 2014
4.9 / 5 (22) 0 | with audio podcast

Attack Ebola on a nanoscale

(Phys.org) —The Ebola virus outbreak in West Africa has claimed more than 900 lives since February and has infected thousands more. Countries such as Nigeria and Liberia have declared health emergencies, ...

Aug 15, 2014
4.6 / 5 (16) 3

Traces of DNA exposed by twisted light

Structures that put a spin on light reveal tiny amounts of DNA with 50 times better sensitivity than the best current methods, a collaboration between the University of Michigan and Jiangnan University in China has shown.

Oct 28, 2013
5 / 5 (1) 0 | with audio podcast

The bug that lays the golden egg

Among the more peculiar organisms that inhabit our Earth exists a bacterium that turns water-soluble gold into microscopic nuggets of solid gold, scientists said Sunday.

Feb 03, 2013
4.5 / 5 (21) 2