Silver - Behaviour

Silver nanoparticles can be absorbed by the body and after overcoming the body barriers – either as nanoparticles or ions – can be transported through the body and accumulate in the organs.

After administering large amounts of silver nanoparticles to rats in in vivo studies the silver could later also be detected in the brain. Under normal circumstances the blood-brain barrier is impermeable to nanoparticles and it can only be overcome only by specifically altering the nanoparticles (see also cross-cutting topics - nanoparticles at the blood-brain barrier).

Silver nanoparticles are not very stable under environmental conditions and are modified due to the influence of various factors (e.g. aging). An important factor is the solubility of the particles that release silver ions in dependence of ambient conditions.


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