A new antibacterial material that has potential for cutting hospital acquired infections has been developed by scientists. The combination of two simple dyes with nanoscopic particles of gold is deadly to bacteria when activated by light — even under modest indoor lighting. And in a first for this type of substance, it also shows impressive […]
The side effects of ingesting too much caffeine — restlessness, increased heart rate, having trouble sleeping — are well-known, but recent research has shown that the stimulant also has a good side. It can kill cancer cells. Now, researchers report that combining a caffeine-based compound with a small amount of gold could someday be used […]
Researchers have designed nanoparticles with one half formed of gold branches and the other of silicon oxide. They are a kind of Janus particle, so-called in honor of the Roman god with two faces, which could be used in phototherapy in the future to treat tumors.