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. 2019 Aug 12;4(9):13954–13961. doi: 10.1021/acsomega.9b01697

Figure 4.

Figure 4

C9–PNA–FITC shows efficient cellular uptake into U87MG cells. (A) Confocal images of C9–PNA–FITC and dK4–PNA–FITC (at 0.5 μM) after a short incubation of 3 h at 37 °C. (B) FACS analysis of C9–PNA–FITC and dK4–PNA–FITC (at 0.5 μM) cellular uptake into U87MG cells after 2 h of incubation at 37 °C.