Hello Steve,

It may also be important to figure out what oxidizes silver to form these
oxides.

Tom


----- Original Message ----- 
From: "Norton, Steve" <stephen.nor...@ngc.com>
To: <silver-list@eskimo.com>
Sent: Wednesday, March 10, 2010 8:27 AM
Subject: CS>Silver Oxide Formation


Several studies I have seen attribute most, if not all, of the
antimicrobial activity of silver particles to the formation of silver
oxide on the particle in the bloodstream. One example:

http://www.fpl.fs.fed.us/documnts/pdf2004/fpl_2004_dorau001.pdf
"Note that all these mechanisms relate to solvated silver ions, Ag+. The
antibacterial properties of any metal come from its ions, which are
generated from the neutral metal (1 5). In the presence of oxygen,
metallic silver can be bactericidal because silver (I) oxide is soluble
enough to release free silver ions (18). When dealing with metallic
silver, though, it is important to note that antimicrobial activity
depends on the extent of the active silver surface."

Would it not then be desirable to form silver oxide on the particles
that do form in EIS?

 - Steve N



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