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. 2021 Nov 4;13(11):1859. doi: 10.3390/pharmaceutics13111859

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© 2021 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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Effect of methyl methacrylate (MMA) concentration (a–c) or dioctadecyl dimethyl ammonium bromide (DODAB) concentration on main characteristics of PMMA/DODAB NPs synthesized by emulsion polymerization of MMA in the presence of DODAB (d–f). From dynamic light scattering (DLS), mean hydrodynamic diameter (Dz) (a,d), zeta—potential (ζ) (b,e) and polydispersity (P) (c,f) were determined for the dispersions in pure water. NPs in dispersion at 1.5 mM DODAB were synthesized over a range of [MMA]. NPs were also synthesized at 0.3 M MMA over a range of [DODAB].