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. 2016 Jun 9;6:27559. doi: 10.1038/srep27559

Figure 2. Cellular uptake and internalization mechanism.

Figure 2

(A,B) Intracellular fluorescence intensity of C-6-loaded iRGD-NCs incubated with cells at various concentrations and times. Fluorescence intensity of A549 cells incubated with 400 ng/mL C-6-loaded (C) NCs or (D) iRGD-NCs for 2 h in the presence of various inhibitors, respectively. *p < 0.05, ***p < 0.001 vs control (n = 3).