Fig. 1
[Taken from reference (Liu et al. 2008)]
a Cell viability in NIH:OVCAR-3 cells exposed to either ZnO NPs alone (0.3 μM), MTAP alone (0.075 μM), or ZnO–MTAP conjugates (0.3 μM, ZnO/MTAP ≈ 4/1) under dark conditions (red) or UV illumination (light gray, 365 nm, 30 min, blue). b Excitation (red) and emission (blue) spectra of ZnO NPs