Fig. 6

In vivo PDT results of 4T1 tumor-bearing mice. a Tumor volume changes and b final tumor weights of the mice bearing 4T1 tumors treated with different formulations and procedures after one injection. c Images of final tumors. The scale bar was shown in c. d Body weight changes of the mice bearing 4T1 tumors treated with different formulations and procedures after one injection. Data are expressed as means ± s.d. (n = 3)