There is no evidence that the irradiation of gold nano-particles by laser produces oxygen. Do you has a reference?
On Fri, Mar 18, 2016 at 5:37 PM, <[email protected]> wrote: > 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 > >
