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. 2020 Apr 9;15:2403–2417. doi: 10.2147/IJN.S238287

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© 2020 Niu et al.

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Laser microscope 3D photographs of surface morphology of PC (A), PCP (B) and PCPS (C), and surface roughness (D) and water contact angles (E) of PC, PCP and PCPS (*represents p<0.05, PCPS vs PC, PCP vs PC; ^#represents p<0.05, PCPS vs PCP).

Abbreviations: PC, polyetheretherketone/nano magnesium silicate composite; PCP, PC treated by particle impact; PCPS, PCP treated by concentrated sulfuric acid.