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. 2022 Feb 4;13:826771. doi: 10.3389/fphar.2022.826771

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Copyright © 2022 Xiong, Li, Mei, Ding, Shen, Zhu and Wang.

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 NPs. (A) Agarose gel (2%) electrophoresis of NPs composed of PBAE537 and GFP at different mass ratios. (B) Measurement of particle sizes of NPs with different mass ratios (PBAE537:GFP) and (C) zeta potentials by dynamic light scattering. The data represent the mean ± SEM (n = 3 per group).