Fig. 42From: The application of titanium dioxide, zinc oxide, fullerene, and graphene nanoparticles in photodynamic therapy[Taken from reference (Cho and Choi 2012)]In vitro PDT efficacy on A549 cells of free Ce6 and GO–SS–Ce6 system under dark or light irradiation conditions (670 nm, 20 J/cm2)Back to article page