Fig. 9From: Multifunctional nanoplatforms as cascade-responsive drug-delivery carriers for effective synergistic chemo-photodynamic cancer treatmenta Histological analyses of the tumor sections of HeLa cancer-bearing mice following H&E, TUNEL, and Ki-67 staining, which were selected highest apoptosis area and lowest proliferation area. b Histological assessment of the major organs of HeLa cancer-bearing mice following H&E staining. Scale bar: 100 μmBack to article page