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Cellular uptake and intracellular localization of Tf-BMs-DOX. (A) CLSM observation of HepG2 cells after incubation with 10 µg/mL for 1 h. (B) MFI of HepG2 and HL-7702 cells after incubation with 10 µg/mL BMs-DOX and Tf-BMs-DOX for different time. (C) Intracellular localization of Tf-BMs-DOX in HepG2 cells. Nuclei were stained with DAPI (blue fluorescence), red fluorescence represented DOX, and green fluorescence indicated Tf or lysosomes.
