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Fig. 4 | Biomaterials Research

Fig. 4

From: Oleic acid conjugated polymeric photosensitizer for metastatic cancer targeting in photodynamic therapy

Fig. 4

Cellular uptake of OPuC by Confocal Laser Scanning Microscopy images in HCT116 (a, positive cell line) and L929 (b, negative cell line) after treatment PuC or OPuC (5 μg mL− 1 of Ce6) for 4 h. Nucleus were stained DAPI (blue) and accumulated intracellular PuC or OPuC were brighten red. Merge images present the interaction with cells. The scale bar is 10 μm

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