Figure 7.

In vivo evaluations of OPCNs-PEG-FA guided photothermal radiotherapy combination therapy. (A) Photographs of the tumors in different treatments groups for 18 days; (B) Relative tumor volumes and (C) weights of mice after different therapy administration; (D) Survival rates of tumor-bearing mice with in different treatment groups during 60 days; and (E) Apoptosis assay of tumor tissues with Trypan blue (Scale bar: 50 μm, dead cells were reflected by blue color with trypan blue staining), H&E (Scale bar: 100 μm) and TUNEL (Scale bar: 100 μm, Green: apoptosis DNA; Blue: cell nuclei) staining, respectively.