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. 2017 Feb 21;24(1):591–598. doi: 10.1080/10717544.2017.1282554

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© 2017 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 License (http://creativecommons.org/Licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 5. — Tissue distribution of 1, 2 and 5 kDa PEG-coated 5 nm AuNPs following oral administration. Gold content was measured in liver, spleen, and kidney at sacrifice 48 h after an oral dose (8.0 mg/kg) of either 1, 2 or 5 kDa PEG-coated 5 nm AuNPs. A) Gold concentration in tissues. B) Mass of gold in the tissue based upon tissue concentration and total weight of the organ. Results are presented as mean ± SD, N = 5. Bars with letter superscripts (A, B or AB) denote significant differences among PEG-coated particle types; bars with different letter superscripts are significantly different p < 0.05.