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. 2015 May 22;17(5):231. doi: 10.1007/s11051-015-3029-y

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© The Author(s) 2015

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. 3 — Estimated bioavailability of 50 nm PS-NPs, expressed as a percentage of the administered dose (125 mg/kg bw), calculated by summing up the amounts of PS-NPs detected in all analysed organs, except the stomach- and intestinal walls and brain. (0) neutral PS-NPs, (+) positively charged PS-NPs, (−M) and (−P) negatively charged PS-NPs from Magsphere and Polysciences, respectively. Error bars show the standard error of mean (n = 5)