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. 2020 Oct 10;13(10):300. doi: 10.3390/ph13100300

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© 2020 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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Normalized fluorescence intensity of PANC-1, HeLa and 293T cells after uptake of RGD1/DNA, RGD2/DNA, RGD3/DNA and RGD0/DNA polyplexes at 8/1 (a) and 12/1 (b) charge ratios labeled with YOYO-1. * p < 0.05 compared to RGD0/DNA complexes.