Fig. 3

Transferrin receptor as a drug delivery target for liver cancer cells. a Flow cytometry analysis of TfR expression in SMMC-7721 and HepZJ cells; b Flow cytometry evaluation HepZJ cell uptake of GL and Tf-PL. c Flow cytometry evaluation SMMC-7721 cell uptake of GL and Tf-PL. d Confocal microscope evaluation cellular uptake study of GL and Tf-PL. Scale bar = 10 µm