In reply to Axil Axil's message of Thu, 17 Mar 2016 23:49:45 -0400: Hi, I think it's more likely that the gold acts as a catalyst so that light can split oxygen atoms from water molecules. Oxygen atoms are very reactive, and extremely good at killing bacteria.
>Cold fusion used to kill bacteria. > > >"We showed that all of the bacteria were killed pretty quickly . . . within >5 to 25 seconds. That's a very fast process," said corresponding author >Wei-Chuan Shih, a professor in the electrical and computer engineering >department, University of Houston, Texas. > >Scientists create gold nanoparticles in the lab by dissolving gold, >reducing the metal into smaller and smaller disconnected pieces until the >size must be measured in nanometers. One nanometer equals a billionth of a >meter. A human hair is between 50,000 to 100,000 nanometers in diameter. >Once miniaturized, the particles can be crafted into various shapes >including rods, triangles or disks. > > >Read more at: >http://phys.org/news/2016-03-technique-rapidly-bacteria-tiny-gold.html#jCp Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html
