Scheme 1From: Peptide-based semiconducting polymer nanoparticles for osteosarcoma-targeted NIR-II fluorescence/NIR-I photoacoustic dual-model imaging and photothermal/photodynamic therapiesSchematic illustration of the preparation process of SPN-PT and NIR-II fluorescence/NIR-I PA imaging and targeted PTT/PDT against osteosarcomaBack to article page