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Fig. 7 | Journal of Nanobiotechnology

Fig. 7

From: Intracellular tracking of drug release from pH-sensitive polymeric nanoparticles via FRET for synergistic chemo-photodynamic therapy

Fig. 7

The cytotoxicity of blank Por-PCL-PH-PEG-cRGD nanoparticles to DC cells (a) and CT26 colon tumor cells (b). The IC50 (c) of free EPI and Por-PCL-PH-PEG-cRGD nanoparticles with or without laser for incubating 48 h. d Apoptosis analysis of CT26 colon cancer cells after incubated with PBS solution, EPI/Por-PCL-PH-PEG-cRGD, free EPI and EPI/Por-PCL-PH-PEG-cRGD with laser for incubating 24 h, respectively (d). Values represent mean ± SD (n = 3)

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