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. Author manuscript; available in PMC: 2017 Dec 4.
Published in final edited form as: Mol Pharm. 2017 Nov 7;14(12):4551–4559. doi: 10.1021/acs.molpharmaceut.7b00669

Figure 4.

Figure 4

Cellular uptake of free form of Dox (A) and Dox-conjugated NP (NP-D) (B) in MDA-MB-468 cells. Nuclei were stained with 4', 6-diamidino-2-phenylindole (DAPI) (blue). The cells were incubated with NP (NP-D) and free Dox at a Dox concentration of 0.2 µg/ml for 30 min, 2 hours, and 12 hours at 37 °C.