Current Developments in Antimicrobial Surface Coatings for Biomedical Applications

Author(s): J.J.T.M. Swartjes, P.K. Sharma, T.G. van Kooten, H.C. van der Mei, M. Mahmoudi, H.J. Busscher, E.T.J. Rochford

Journal Name: Current Medicinal Chemistry

Volume 22 , Issue 18 , 2015

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Bacterial adhesion and subsequent biofilm formation on material surfaces represent a serious problem in society from both an economical and health perspective. Surface coating approaches to prevent bacterial adhesion and biofilm formation are of increased importance due to the increasing prevalence of antibiotic resistant bacterial strains. Effective antimicrobial surface coatings can be based on an anti-adhesive principle that prevents bacteria to adhere, or on bactericidal strategies, killing organisms either before or after contact is made with the surface. Many strategies, however, implement a multifunctional approach that incorporates both of these mechanisms. For anti-adhesive strategies, the use of polymer chains, or hydrogels is preferred, although recently a new class of super-hydrophobic surfaces has been described which demonstrate improved anti-adhesive activity. In addition, bacterial killing can be achieved using antimicrobial peptides, antibiotics, chitosan or enzymes directly bound, tethered through spacer-molecules or encased in biodegradable matrices, nanoparticles and quaternary ammonium compounds. Notwithstanding the ubiquitous nature of the problem of microbial colonization of material surfaces, this review focuses on the recent developments in antimicrobial surface coatings with respect to biomaterial implants and devices. In this biomedical arena, to rank the different coating strategies in order of increasing efficacy is impossible, since this depends on the clinical application aimed for and whether expectations are short- or long term. Considering that the era of antibiotics to control infectious biofilms will eventually come to an end, the future for biofilm control on biomaterial implants and devices is likely with surface-associated modifications that are non-antibiotic related.

Keywords: Antibacterial, antibiotics, antimicrobial peptides, bacterial adhesion, nanoparticles, quaternary ammonium compounds, surface coating.

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Article Details

Year: 2015
Page: [2116 - 2129]
Pages: 14
DOI: 10.2174/0929867321666140916121355
Price: $65

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