Microbial biofilm growth versus tissue integration on biomaterials with different wettabilities and a polymer-brush coating

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Subbiahdoss, Guruprakash and Grijpma, Dirk W. and Mei, Henny C. van der and Busscher, Henk J. and Kuijer, Roel (2010) Microbial biofilm growth versus tissue integration on biomaterials with different wettabilities and a polymer-brush coating. Journal of biomedical materials research. Part A, 94A (2). pp. 533-538. ISSN 1549-3296

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Abstract:Biomaterials-associated infections (BAI) constitute a major clinical problem and often necessitate implant replacement. In this study, the race for the surface between Staphylococcus epidermidis ATCC 35983 and U2OS osteosarcoma cells is studied on biomaterials with different wettabilities and on a polymer-brush coating. S. epidermidis was deposited on the different surfaces in a parallel plate flow chamber and then U2OS cells were seeded. Subsequently, staphylococci and U2OS cells were allowed to grow simultaneously on the surfaces for 48 h under low flow conditions. The presence of staphylococci reduced cell growth on all surfaces, but adhering cells spread equally well in the absence and presence of staphylococci. A hydrophilic polymer-brush coating discouraged bacterial and cellular adhesion and growth. Thus, whereas the biomaterials evaluated support both biofilm formation and tissue integration, polymer-brush coatings support neither. Therewith, the outcome of the race for the surface on these surfaces remains uncertain, emphasizing the need for biofunctionalized surfaces that discourage biofilm formation and support tissue growth at the same time
Item Type:Article
Copyright:© 2010 Wiley Periodicals, Inc
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/76375
Official URL:http://dx.doi.org/10.1002/jbm.a.32731
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