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. Author manuscript; available in PMC: 2017 Aug 7.
Published in final edited form as: ACS Appl Mater Interfaces. 2017 May 10;9(20):16900–16912. doi: 10.1021/acsami.7b03877

Figure 4.

Figure 4

(A) Fluorescence intensity of DOX in MCF-7/Adr cells visualized using CLSM. (B,C) Fluorescence intensity of DOX in MCF-7/Adr cells measured using flow cytometry. (D) Fluorescence intensity of DOX in MCF-7/Adr cells preincubated with verapamil, T1k2k-TOS, T1k2k, and cell culture medium (control), visualized using CLSM. (E) Fluorescence intensity of DOX in MCF-7/Adr cells preincubated with verapamil, T1k2k- TOS, T1k2k, and cell culture medium (control) at different time points, measured using flow cytometry. Data are presented as mean ± SD (n = 3). Notes: **, p < 0.01. The scale bar is 20 µm.