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. Author manuscript; available in PMC: 2016 Jul 15.
Published in final edited form as: Acta Biomater. 2015 Apr 18;21:63–73. doi: 10.1016/j.actbio.2015.04.014

Figure 2.

Figure 2

Cellular uptake of free Ce6, PEG-P-Ce6 and RGD-P-Ce6 in A375 cells (a) and NIT3T3 cells (b). (c) Cellular uptake of RGD-P-Ce6 in the presence of various endocytic pathway inhibitors. A375 cells were pretreated with the inhibitors 0.5h prior to the incubation of RGD-P-Ce6 (n=3), * p<0.05.