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. 2017 Apr 28;9(5):158. doi: 10.3390/polym9050158

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© 2017 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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The transfection efficiency quantified by the measurement of GFP expression with flow cytometry. (A) Cells treated with naked Pdna; (B) cells treated with PLGA-g-PEI/pDNA gene complexes; (C) cells treated with PLGA-g-PEI-g-CAGW/pDNA gene complexes; (D) cells treated with PEI (10 kDa)/pDNA gene complexes.