Fig. 5From: Toxicogenomics of nanoparticulate delivery of etoposide: potential impact on nanotechnology in retinoblastoma therapya Cellular uptake of native 6-coumarin and 6-coumarin-loaded nanoparticles in Y-79 cells at 37°C. Data are represented as the mean ± SEM (n = 6). **p < 0.005, 6-coumarin-loaded nanoparticles versus native 6-coumarin. b Confocal fluorescence images highlighting time-dependant intracellular uptake of native 6-coumarin and 6-coumarin-loaded nanoparticles. Scale bar, 30 mmBack to article page