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. 2018 May 23;25(1):1200–1212. doi: 10.1080/10717544.2018.1474973

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© 2018 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 3. — Cellular uptake of DiR-CL/PBNs, DiR-PL/PBNs, and DiR-PSL/PBNs by A549 cells in vitro after two hours. (A) FCM analysis of the A549 cells treated with DiR-CL/PBNs, DiR-PL/PBNs, and DiR-PSL/PBNs. (B) Quantitative analysis of the FCM (**p < .01). (C) Confocal images of the A549 incubated with DiR-CL/PBNs, DiR-PL/PBNs, and DiR-PSL/PBNs. The scale bar represents 20 μm. Data are shown as mean ± S.D. (n = 3).