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. 2022 Feb 9;12(4):584. doi: 10.3390/nano12040584

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© 2022 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 (https://creativecommons.org/licenses/by/4.0/).

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Physicochemical properties of NP-Chi-xPEI-DNA complex. (a) Hydrodynamic size distributions of NP-Chi-xPEI, NP-Chi-xPEI 5:1 DNA, and NP-Chi-xPEI 10:1 DNA. (b) Zeta potentials of NP-Chi-xPEI, NP-Chi-xPEI 5:1 DNA, and NP-Chi-xPEI 10:1 DNA. (c) Gel electrophoresis image of NP-Chi-xPEI, NP-Chi-xPEI 5:1 DNA, and NP-Chi-xPEI 10:1 DNA. Here, NP-Chi-xPEI is abbreviated as NP. (d) Serum stability of NP-Chi-xPEI 10:1 DNA in RPMI 1640 cell culture medium supplemented with 10% FBS assessed by hydrodynamic size measurements over a period of 20 days.