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In vitro Response of Human Mesenchymal Stromal Cells to Titanium Coated Peek Films and Their Suitability for Magnetic Resonance Imaging

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Journal of Materials Science & Technology 2015年第5期31卷 427-436页

作者： Cindy Elschner Carolin Noack Carolin PreilBler Andreas Krause Ulrich Scheler Ute Hempel Leibniz-Institut fr Polymerforschung Dresden e.V. Hohe Str.601069 DresdenGermany CRTD/DFG-Center for Regenerative Therapies Dresden Fetscherstr.10501307 DresdenGermany Institut fr Physiologische Chemie Technische Universitt DresdenFiedlerstr.4201307 DresdenGermany NaMlab gGmbH Nthnitzer Str.6401187 DresdenGermany

Medical imaging is an important tool for the post-operative checkup of an accurate position of an implant as well as for monitoring the integration in the adjacent tissue that may influence the success of a medical ***,the possibility to use imaging methods is associated with the implant material and all the established metallic materials for surgery do not show a proper 'imaging compatibility'.The present study is a combined investigation of the in vitro response to human mesenchymal stromal cells（hMSC） and magnetic resonance imaging（MRI） compatibility of the potential material combination polyetheretherketone/titanium（PEEK/Ti） for medical *** of the advantageous imaging properties and the mechanical and chemical stability,PEEK becomes more and more an alternative to common metallic implant materials like titanium or ***,PEEK is a bioinert material having a limited ability for direct bone *** to its excellent biocompatibility,Ti was chosen as coating material to enhance the cellular *** result is a combination with advantageous properties:the magnetic susceptibility and elastic modulus close to bone,corrosion resistance and mechanical flexibility of PEEK and the excellent biocompatibility of *** appearance of metal-related artifact was discussed in electrical resistivity and magnetic ***,two titanium coatings have been investigated:a complete coating and a structured surface avoiding surface *** determine the in vitro biocompatibility,the cell responses were assessed in terms of the overall morphology of the hMSC and their cell area distribution,proliferation,osteogenic differentiation and mineral *** cellular stress was evaluated by the prostaglandin *** bonded materials both produced no disturbing artifacts in magnetic resonance *** to the pure PEEK material,the titanium coated specimens showed an enhanced biocompatibilit

关键词： Polyetheretherketone Titanium coating biocompatibi

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