Figure 5. Lung tissues after 28 days of instillation of 100 µg Ag/rat. Panel (C) shows persistence of clear focal inflammation in the AgNPs-treated group (B) recovery of the AgNO3-treated group compared to panel (A), which shows the normal tissue of control group

From

Time-dependent Toxic Effect and Distribution of Silver Nanoparticles Compared to Silver Nitrate after Intratracheal Instillation in Rats

Alaa Fehaid, Mohamed F. Hamed, Mamdouh M. Abouelmagd, Akiyoshi Taniguchi

American Journal of Nanomaterials. 2016, 4(1), 12-19 doi:10.12691/ajn-4-1-3