Fig. 7From: Peptide-based semiconducting polymer nanoparticles for osteosarcoma-targeted NIR-II fluorescence/NIR-I photoacoustic dual-model imaging and photothermal/photodynamic therapiesBiocompatibility evaluation of SPN-PT-based therapies. H&E staining of major organs (heart, liver, spleen, lung, kidney) excised from mice at the endpoint of the experimental therapies. Scale bar = 200 μmBack to article page