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. 2016 Mar 1;11:122. doi: 10.1186/s11671-016-1337-5

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© Wu 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. 12 — Luciferase activity analysis (mean ± SD, n = 4) after transfection of HepG2, with pGL-3/PEI 25 kDa, pGL-3/Pluronic-PEI, pGL-3/Pluronic-PEI-DR5, pGL-3/Pluronic-PEI-TAT, or pGL-3/Pluronic-PEI-DR5-TAT at different N/P ratios. *P < 0.05, **P < 0.01