Research Article
Investigations of the Toxic Effect of Silver Nanoparticles on Mammalian Cell Lines
Figure 5
Caspase 3/7 activity of A-549 cells cultivated with silver nanoparticles at a concentration of 10 ppm, with silver ions at a concentration of 50 ppm, and for untreated cells during a cultivation period of 20 h. Data are shown as the mean ± SEM of three independent experiments.