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. 2016 Dec 20;12:111–125. doi: 10.2147/IJN.S107472

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© 2017 Wang et al. This work is published and licensed by Dove Medical Press Limited

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XPS spectra collected from PDMS surface (A) wide-scan spectra, (B) PDMS surface N 1s core-level spectra, (C) PDMS surface P 2p core-level spectra. p (DMAEMA⁺)-modified PDMS (D) wide-scan spectra, (E) N 1s core-level spectra, (F) P 2p core-level spectra. p (DMAEMA⁺-co-0.25 MPC)-modified PDMS (G) wide-scan spectra, (H) N 1s core-level spectra, and (I) P 2p core-level spectra.

Abbreviations: XPS, X-ray photoelectron spectroscopy; PDMS, poly(dimethyl siloxane); p (DMAEMA⁺-co-MPC), (2-(dimethylamino)-ethyl methacrylate-co-2-methacryloyloxyethyl phosphorylcholine); MPC, 2-methacryloyloxyethyl phosphorylcholine; DMAEMA, 2-(dimethylamino)-ethyl methacrylate.