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. 2018 May 15;13:2839–2856. doi: 10.2147/IJN.S160651

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© 2018 Liu et al. This work is published and licensed by Dove Medical Press Limited

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(A) Variation of ζ-potential of five different properties, particle size of (B) PEMA-b-PDMAEMA, PEMA-(PDMAEMA-co-PHEA), and PEMA-b-PMAA and (C) PEMA-b-PHEA and PEMA-b-PHEMA, and (D) three different size polymer solutions incubated with mucus at 37°C pH 6.5. Values are mean ± standard deviation (n=3).

Abbreviations: PEMA, poly ethyl methacrylate; PDMAEMA, poly (2-[dimethylamino] ethyl methacrylate); PHEA, poly (2-hydroxyethyl acrylate); PHEMA, poly (2-hydroxyethyl methacrylate); PMAA, poly (methacrylic acid).