Fig. 4 | Scientific Reports

Fig. 4

From: Comparison between SBMA and MPC coatings on PEEK surface: stability over time and anti-inflammatory effects in vitro

Fig. 4

XPS analysis of (left column) the S2p core level region of SBMA and (right column) the P2p core level region of MPC. Deconvolution of (a) S2p and (b) P2p regions of typical fresh films of SBMA and MPC, respectively. Intensity evolution of the S2p signal for SBMA film on (c) ROUGH and (e) SMOOTH PEEK, and the P2p signal for MPC film on (d) ROUGH and (f) SMOOTH PEEK. PEEK = polyether-ether-ketone, SBMA = [2-(methacryloyloxy)ethyl]dimethyl-(3-sulfopropyl)ammonium hydroxide, MPC = 2-methacryloyloxyethyl phosphorylcholine.

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