Fig. 1From: Core–shell polymeric nanoparticles co-loaded with photosensitizer and organic dye for photodynamic therapy guided by fluorescence imaging in near and short-wave infrared spectral regionsSize distributions on NF a, b transmission electron microscopy (TEM) images of polySt-poly(NIPAM-co-AA) core–shell NPs contained PS (10 µM HPPH) and NIRFD (7 µM JB17-08); c NPs size distribution determined by DLS. d dependence of NPs size on temperature, determined by DLSBack to article page