Fig. 10From: The application of titanium dioxide, zinc oxide, fullerene, and graphene nanoparticles in photodynamic therapy[Taken from reference (Pan et al. 2015)]Comparative Viability of a HeLa cells and b KB cells treated with Pc, N–TiO2 NPs, and N–TiO2–Pc NPs (250 μg/mL)Back to article page