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. Author manuscript; available in PMC: 2020 Apr 4.
Published in final edited form as: Chem Commun (Camb). 2019 Apr 4;55(29):4254–4257. doi: 10.1039/c9cc01344j

Fig. 4.

Fig. 4.

Folate-mediated cellular uptake. (A) Cellular uptake determined by FACS. (B) Cellar uptake determined by fluorescence microscopy. (C) FA competition study, determined by FACS. The cells were incubated with FA-FITC or FITC for 1.5 h. (D) Drug uptake, quantitated by RP-HPLC. The cells were incubated with BTZ or FA-Cat-BTZ for 4 h. Scale bar: 50 μm.