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Figure: 10: Cellular uptake of fluorescein isothiocyanate labeled α-tocopherol-5-fluorouracil-poly-D,L-lactic-co-glycolic acid nanoparticles and 5-fluorouracil-poly-D,L-lactic-co-glycolic acid nanoparticles. (a) α-Tocopherol-5-fluorouracil-poly-D,L-lactic-co-glycolic acid nanoparticles, (b) 5-fluorouracil-poly-D,L-lactic-co-glycolic acid nanoparticles in squamous cell carcinoma-15 cells by fluorescent microscopy analysis on the scale bar is 50 μm

Figure: 10: Cellular uptake of fluorescein isothiocyanate labeled α-tocopherol-5-fluorouracil-poly-D,L-lactic-co-glycolic acid nanoparticles and 5-fluorouracil-poly-D,L-lactic-co-glycolic acid nanoparticles. (a) α-Tocopherol-5-fluorouracil-poly-D,L-lactic-co-glycolic acid nanoparticles, (b) 5-fluorouracil-poly-D,L-lactic-co-glycolic acid nanoparticles in squamous cell carcinoma-15 cells by fluorescent microscopy analysis on the scale bar is 50 μm