Fig. 32From: The application of titanium dioxide, zinc oxide, fullerene, and graphene nanoparticles in photodynamic therapy[Taken from reference (Gollavelli and Ling 2014)]Comparative cell viabilities by MTT assay of HeLa cells treated with different concentrations of SiNc4/MFG–SiNc4 under dark/photoirradiation conditions (750–1380 nm, 0.3 W/cm2, 1 h)Back to article page