Fig. 6From: Mitochondria-targeted nanoplatforms for enhanced photodynamic therapy against hypoxia tumora Intertumoral diffusion of 3BP@PLGA or 3BP@PLGA-IR780 in 3D tumor models (scale bar is 20 μm). b The distribution of 3BP@PLGA or 3BP@PLGA-IR780 around tumor vessels (scale bar is 50 μm). c Distribution of nanoplatforms in different tumor sections (the interval is 100 μm)Back to article page