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(A) Schematic illustration of size-transformable supramolecular nanoprodrug (PDNP)-mediated cancer chemo-immunotherapy. (B) pH-triggered sequential conversion of particle size over time. (C) Representative immunofluorescence staining of excised tumor tissues after PDNP treatment for penetration studies. Reproduced with permission from [67]. Copyright 2022 Wiley-VCH GmbH.
