摘要
UV-inducedgraftpolymerizationofacrylicacid(AA)onpoly(etheretherketone)(PEEK)filmswascarriedouttointroduce―COOHforthesubsequentimmobilizationofbovineserumalbumin(BSA).BSAwasintroducedonPEEKsurfacebasedonthecondensationreactionbetween―NH2and―COOH.Themodifiedsurface(PEEK-BSA)wascharacterizedbyenergy-dispersespectrometry(EDS),X-rayphotoelectronspectroscopy(XPS),watercontactanglemeasurementandUVspectrumanalysis.Thecontactanglewasfoundtodecreasefrom104°forthevirginPEEKfilmsto63°fortheBSA-immobilizedPEEKfilms,demonstratingasignificantimprovementofsurfacehydrophilicity.Moreover,theappearanceofnitrogenonPEEKfilmconfirmedbyXPSandEDSindicatestheimmobilizationofBSAonPEEKsurface.
出版日期
2012年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)