Fig. 8From: ISD3: a particokinetic model for predicting the combined effects of particle sedimentation, diffusion and dissolution on cellular dosimetry for in vitro systemsISD3 predictions for the number density of silver nanoparticles in the liquid media. 3D and 2D mesh plots of particle number density as a function of liquid column height (x) and particle diameter (D p ) after 24 h, starting with 12.5 μg/ml of 20 nm silver particles (a and b), and with 9.15 μg/ml of 110 nm silver particles (c and d)Back to article page