Figure 4From: Comparison of In vitro Nanoparticles Uptake in Various Cell Lines and In vivo Pulmonary Cellular Transport in Intratracheally Dosed Rat ModelNanoparticle uptake in RAW cells: (a) control cell; (b) incubation with charcoal particles for 4 h; (c) incubation with pyrene particles for 4 hBack to article page