Fig. 7
From: Review targeted drug delivery systems for norcantharidin in cancer therapy
Schematic illustration of charge-reversal semiconducting polymer nano-modulator (SPDMCN)-mediated photodynamic cancer immunotherapy. a Chemical structure and self-assembly of SPDMCN, and the mechanism of pH-responsive charge-reversal and immunomodulator (NCTD) release. b Illustration of SPDMCN-mediated synergistic immunotherapy, including acidic tumor microenvironment induced (NCTD) release, photoirradiation of SPDMCN for ICD induction, and immune cell modulation by NCTD. Reproduced with permission from reference [160]. Copyright 2021, JOHN/WILEY & SONS, INC