From: Distribution of silver in rats following 28 days of repeated oral exposure to silver nanoparticles or silver acetate
urine (μg)
feces (μg)
urine (% of 24 h intake)
feces (% of 24 h intake)
Ag-PVP nanoparticles
0.10 ± 0.05
1190 ± 430
0.005 ± 0.003
63 ± 23
Ag acetate
0.73 ± 0.23
610 ± 250
0.057 ± 0.017
49 ± 21