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. 2018 Apr 1;10(4):379. doi: 10.3390/polym10040379

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Toxicity assessment of nanocomposites of plasmid DNA and (a) poly(l-lysine)₅₀-block-poly(l-leucine)₁₀, (b) poly(l-lysine)₅₀-block-poly(l-leucine)₁₅, (c) poly(l-lysine)₅₀-block-poly(l-leucine)₂₅, and control (PEI, 25 K) by using COS-7 cells at various N/P (mean ± SD, n = 3).