(A) Chemical structures and cartoon illustration of the building blocks (EGCG, Pt-OH, PEG-b-PPOH) used for the preparation of PTCG NPs to realize chemo/chemo-dynamic therapy. Adapted with permission from 82, copyright 2019 Wiley Online Library. (B) Schematic illustration showing the construction of DDTF nanocomplexes and their application for apoptosis/ferroptosis-mediated cancer therapy. Adapted with permission from 16, copyright 2019 American Chemical Society. (C) Schematic illustration of pH-sensitive FA and HMME-doped PEG-MPN capsules for targeted photodynamic therapy against cancer cells. Adapted with permission from 32, copyright 2017 Informa UK Limited (D) Fabrication process of PID@Fe-TA nanocomposites for cancer treatment by CDT/photo-thermal therapy/chemotherapy synergistic effect. Adapted with permission from 85, copyright 2020 Royal Society of Chemistry.