Fig. 5

Evaluation of the antitumor therapeutic effects of NIR-II activated BPSP in a subcutaneous tumor model. a Scheme of NIR-II activated BPSP in a subcutaneous tumor model. b Tumor growth curves of tumor-bearing mice in different groups during treatment. c, d Tumor weight and photographs of different groups after treatment. e Body weight changes during treatment. f Immunohistochemical sections of tumor (H&E ×400, Ki67 ×400, TUNEL ×50). Data represented mean ± SD (n = 6). *p < 0.05, **p < 0.01, ***p < 0.001, compared with the NS group. ^###p < 0.001, compared with the BPSP + L group