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. 2016 Apr 14;11:198. doi: 10.1186/s11671-016-1419-4

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© Zhu et al. 2016

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 — Growth inhibition AgNPs on HePG-2 Cells. a Cell viability were treated with different concentrations of AgNPs for 72 h and measured by MTT assay. b Morphological changes in HePG-2 cells. Bars with different characters are statistically different at P < 0.05(*) or P < 0.01(**)