Fig. 6
From: Effect of Surface Functionalization on the Cellular Uptake and Toxicity of Nanozeolite A
Internalization (a) and retention (b) of unmodified and modified nanozeolites BaA in HeLa cells. Nanozeolites are ranked according to the size of coating molecule. Data are expressed as a mean ± SD from three independent experiments. Statistical analysis of the data is presented in the Additional files 4: Table S1 and 5: Table S2