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Bacterial adhesion to diamond-like carbon as compared to stainless steel

✍ Scribed by Antti Soininen; Veli-Matti Tiainen; Yrjö T. Konttinen; Henny C. van der Mei; Henk J. Busscher; Prashant K. Sharma

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
118 KB
Volume
90B
Category
Article
ISSN
1552-4973

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✦ Synopsis

Abstract

Recent studies suggest that diamond‐like carbon (DLC) coatings are suitable candidates for application on biomedical devices and implants, due to their high hardness, low friction, high wear and corrosion resistance, chemical inertness, smoothness, and tissue and blood compatibility. However, most studies have neglected the potential susceptibility of DLC coatings to bacterial adhesion, which is the first step in the development of implant‐related infections. This study compares adhesion of seven bacterial strains, commonly implicated in implant‐related infections, to tetrahedral amorphous carbon, with their adhesion to AISI 316L surgical steel. The results show that bacterial adhesion to DLC was similar to the adhesion to commonly used stainless steel. This suggests that DLC coating can be advantageously used on implants made of AISI 316L or other materials without increasing the risk to implant‐related infections. © 2009 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2009

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## Abstract __Staphylococcus aureus__ device‐related infection is a common complication in implantology. Bacterial adhesion on implant surfaces is the initial step in the infective process. The aim was to develop a method suitable for quantitative bacterial adherence studies and to test a new diamo