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. Author manuscript; available in PMC: 2016 Jun 3.
Published in final edited form as: Adv Healthc Mater. 2015 Mar 11;4(8):1236–1245. doi: 10.1002/adhm.201500034

Figure 4.

Figure 4

Confocal microscopic analysis of cellular uptake of 40 µg/mL IONP-PTX-FL and IONP-PTX-CTX-FL after 6-hour incubation in (a–c) SF-763 and (d–f) U-118 MG cells. Cells were incubated in (a, d) medium control (no NPs), (b, e) with IONP-PTX-FL, and (c, f) with IONP-PTX-CTX-FL. Scale bars: 20 µm.