Fig. 3From: Intracellular tracking of drug release from pH-sensitive polymeric nanoparticles via FRET for synergistic chemo-photodynamic therapya The GPC spectra of Por-PCL, Por-PCL-PH, PEG-cRGD and Por-PCL-PH-PEG-cRGD. DSC (b) and XRD (c) spectra of mPEG2k-PCL2k and Por-PCL-PH-PEG-cRGD copolymersBack to article page