Fig. 6From: Aptamer Combined with Fluorescent Silica Nanoparticles for Detection of Hepatoma CellsToxicity of SA-FSNPs. a 293T and L02 cells in culture were incubated with various concentrations of SA-FSNPs, and cell viability was measured at 12, 24, and 48 h. b Nude mice were treated with PBS or SA-FSNPs, and sections from major organs were stained with hematoxylin-eosin and examined by light microscopy. Magnification, ×400Back to article page