Figure 3From: In vivo and in vitro evaluation of the cytotoxic effects of Photosan-loaded hollow silica nanoparticles on liver cancerActive caspase-3 (A) and caspase-9 (B) protein levels in cancer cells after conventional and nanoscale photosensitizer PDT. A1, A2, and A3: blank control samples; B1, B2, and B3: nanoscale Photosan-treated samples; C1 and C2: Photosan-treated samples.Back to article page