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(a) The chemical structure of PPV-ST conjugated polymer and its structural change under visible light (λ = 550 nm) irradiation; (b) Schematic representation of the formation of drug-loaded PPV-ST-NP nanoparticles and structural change upon irradiation with visible light (λ = 550 nm) leading to the drug release in cells. Reprinted with permission from [184]. Copyright 2018 John Wiley and Son.
