Biocompatibility and antibacterial performance of titanium by surface treatment / Jianxue Li in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 9, N° 2 (03/2012)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 9, N° 2 (03/2012) . - p. 223-228 Titre : Biocompatibility and antibacterial performance of titanium by surface treatment Type de document : texte imprimé Auteurs : Jianxue Li, Auteur ; Yimin Zhao, Auteur Année de publication : 2012 Article en page(s) : p. 223-228 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Antibactériens Biomatériaux Implants médicaux Oxydation micro-arc Titane Titane -- Alliages Traîtements de surface Index. décimale : 667.9 Revêtements et enduits Résumé : Titanium (Ti) and its alloys are used extensively in implants due to their excellent biocompatibility and mechanical properties. However, Ti-based implant materials have specific complications associated with their applications, such as the loosening of implanted host interface owing to unsatisfactory cell adhesion and the susceptibility of the implants to bacterial infections. Hence, a surface that displays selective biointeractivity, i.e., enhancing beneficial host cell responses but inhibiting pathogenic microbial adhesion, would be highly desirable. This study aims to confer long-lasting antibacterial properties and good biocompatibility on Ti via the microarc oxidation technique. The biocompatibility of the Ti surface was evaluated by cytotoxicity test, and the bacteriostasis rate was evaluated by antibacterial efficacy. The results showed that the implant surface might be nontoxic to cell and its long-lasting antibacterial properties could be significantly improved. These results indicate that such microarc oxidation coatings are expected to have good potential in transcutaneous implant applications. Note de contenu : - EXPERIMENTAL MATERIALS AND METHODS : Materials - MAO treatment - Surface characterization - Cell culture - Cytotoxicity - Determination of antibacterial efficacy - Statistical analysis - RESULTS AND DISCUSSION : Surface morphology and chemical composition - Cytotoxicity of MAO coating - Antibacterial efficacy and crystalline structures of MAO coating DOI : 10.1007/s11998-009-9221-1 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-009-9221-1.pdf?pdf=button Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=14376 [article]

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