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a) Scheme of fabrication of the NIR-II theranostic platform. b) The NIR-II theranostic platform gradually lit up the 4T1 tumors inoculated on the mice. The T/NT ratio reach the peak value of 20 ± 2.3 at 24 h post injection. c) The chemotherapy effect of the NIR-II theranostic platform. 4T1 tumors shrank overtime after intravenous injection of p-FE-PTX-FA. Reproduced with permission [12]. Copyright 2018, Springer Nature.
