Volume 89 Issue 41 | pp. 4-5 | Letters
Issue Date: October 10, 2011

Nanosilver Toxicity

Department: Letters

A number of articles in C&EN in recent years imply that nanosilver metal particles are toxic (most recently, C&EN Online Latest News, Aug. 8). In fact, nanosilver particles are no more toxic in natural environments than other forms of silver metal. The fundamental chemistry of silver and its compounds does not change as a function of size.

What does change is the kinetics of reaction because the . . .

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