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. 2022 Feb 22;10:805996. doi: 10.3389/fbioe.2022.805996

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Copyright © 2022 An, Cao, Zhang, Zhang, Zhou, Hu and Chen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Characterization of PDMAEMA + DNA and PEI + DNA. (A) Gel retardation assay of PDMAEMA + DNA (1 μg) at N/P ratios of 1:1, 2:1, 5:1, 10:1, and 15:1. (B) Hydrodynamic diameter distributions of PDMAEMA + DNA (5 μg) (N/P ratio 15) determined by dynamic light scattering. (C) Gel retardation assay of PEI + DNA (1 μg) at N/P ratios of 1:1, 2:1, 5:1, 10:1, and 15:1. (D) Hydrodynamic diameter distributions of PEI + DNA (5 μg) (N/P ratio 15) determined by dynamic light scattering.