Figure 8From: Label-free in vitro toxicity and uptake assessment of citrate stabilised gold nanoparticles in three cell lines Dark-field images of CHO cells incubated with AuNPs. Dark-field images were captured at 60x magnification of CHO cells incubated with either (A) 14 nm or (B) 20 nm AuNPs for 1 hr, 4 hrs, or 6 hrs.Back to article page