Nano-silver: Old problems or new challenges?

The blogging community is no stranger to the use (and possible abuse) of nanometre-scale silver—products ranging from silver-enhanced socks and toothpaste to plush toys and cure-alls have all appeared in the spotlight recently. With each passing month, the number of nano-silver gizmos on the market is growing.

Nanotoxicologists self-assemble

If you evaluate the toxicity of an engineered nanomaterial, how far can you trust your results?  If someone else repeats your tests and gets a different answer, did they do it wrong? Did you?  Or was the material used different in some subtle but nevertheless...

Value-added nanotechnology

Amidst the cacophony of debate swirling around the true meaning of nanotechnology, I head a voice or reason last week.  The voice was that of Dr. Bernd Sachweh of BASF, speaking at the European Aerosol Conference in Thessoloniki. I paraphrase, but the essence of...

Benny the Bear comes clean

Last December I highlighted the case of Benny the Bear—a soft toy using nano-silver to give it antimicrobial properties (Benny the Bear, and the case of the disappearing nanoparticles). It appeared at the time that the manufacturer was being rather coy about the use...