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. 2011 Aug 11;29(2):352–361. doi: 10.1007/s11095-011-0545-z

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© The Author(s) 2011

This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

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Fig. 9 — Gene silencing activity of PEGylated polyplexes. Luciferase expression of H1299 cells was determined 48 h after transfection. Polyplexes were prepared using polymers with increasing PEG content and luciferase siRNA (black bars) or non-silencing control siRNA (white bars). Lipofectamine 2000 was used as control. Results are shown as mean ± SD for n = 3. Statistically significant differences of luciferase siRNA versus non-silencing control siRNA are denoted by ** (p < 0.01) or *** (p < 0.001).