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. 2017 Sep 25;6:137–145. doi: 10.1007/s40204-017-0073-y

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© The Author(s) 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 5 — Cellular uptake: a HT29 cells treated with coumarin-6-loaded SN38-PEG-PLGA nanoparticles at 485 nm b HT29 cells treated with coumarin-6-loaded SN38-PEG-PLGA nanoparticles at 340 nm