Prevention of bacterial biofilms by covalent immobilization of peptides onto plasma polymer functionalized substrates
In this study, robust antibacterial coatings were created on stainless steel through the covalent grafting of antibacterial peptides onto an organic-polymeric interlayer deposited by RF-glow discharge plasma. X-Ray photoelectron spectroscopy was used to characterize and optimize the two steps of the...
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| Veröffentlicht in: | Journal of materials chemistry 2010-01, Vol.2 (37), p.892-898 |
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| container_issue | 37 |
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| container_title | Journal of materials chemistry |
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| creator | Vreuls, Christelle Zocchi, Germaine Thierry, Benjamin Garitte, Geoffrey Griesser, Stefani S Archambeau, Catherine Van de Weerdt, Cécile Martial, Joseph Griesser, Hans |
| description | In this study, robust antibacterial coatings were created on stainless steel through the covalent grafting of antibacterial peptides onto an organic-polymeric interlayer deposited by RF-glow discharge plasma. X-Ray photoelectron spectroscopy was used to characterize and optimize the two steps of the coating process. The biocidal activity of these surfaces was demonstrated against both Gram+ and Gram− bacteria using ISO tests. 3 to 6 log
10
reductions of both Gram+ and Gram− bacterial strains were obtained compared to uncoated stainless steel and depending on the particular antibacterial peptide immobilized. Importantly the antibacterial surfaces were resistant to several cleaning conditions. The latter is significant as the stability of such antibacterial surfaces in close to real life conditions is a major concern and leaching, de-lamination, rearrangement and ageing of the coating can lead to insufficient long term biofilm resistance of the surface.
Stainless steel surface with robust antibacterial properties, created
via
covalent grafting of antibacterial peptides onto an organic-polymeric interlayer deposited by RF-glow discharge plasma. |
| doi_str_mv | 10.1039/c0jm01419b |
| format | Article |
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10
reductions of both Gram+ and Gram− bacterial strains were obtained compared to uncoated stainless steel and depending on the particular antibacterial peptide immobilized. Importantly the antibacterial surfaces were resistant to several cleaning conditions. The latter is significant as the stability of such antibacterial surfaces in close to real life conditions is a major concern and leaching, de-lamination, rearrangement and ageing of the coating can lead to insufficient long term biofilm resistance of the surface.
Stainless steel surface with robust antibacterial properties, created
via
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10
reductions of both Gram+ and Gram− bacterial strains were obtained compared to uncoated stainless steel and depending on the particular antibacterial peptide immobilized. Importantly the antibacterial surfaces were resistant to several cleaning conditions. The latter is significant as the stability of such antibacterial surfaces in close to real life conditions is a major concern and leaching, de-lamination, rearrangement and ageing of the coating can lead to insufficient long term biofilm resistance of the surface.
Stainless steel surface with robust antibacterial properties, created
via
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10
reductions of both Gram+ and Gram− bacterial strains were obtained compared to uncoated stainless steel and depending on the particular antibacterial peptide immobilized. Importantly the antibacterial surfaces were resistant to several cleaning conditions. The latter is significant as the stability of such antibacterial surfaces in close to real life conditions is a major concern and leaching, de-lamination, rearrangement and ageing of the coating can lead to insufficient long term biofilm resistance of the surface.
Stainless steel surface with robust antibacterial properties, created
via
covalent grafting of antibacterial peptides onto an organic-polymeric interlayer deposited by RF-glow discharge plasma.</abstract><pub>Royal Society of Chemistry</pub><doi>10.1039/c0jm01419b</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 0959-9428 |
| ispartof | Journal of materials chemistry, 2010-01, Vol.2 (37), p.892-898 |
| issn | 0959-9428 1364-5501 1364-5501 |
| language | eng |
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| source | Royal Society Of Chemistry Journals; Alma/SFX Local Collection |
| subjects | Biochemistry, biophysics & molecular biology Biochimie, biophysique & biologie moléculaire Engineering, computing & technology Ingénierie, informatique & technologie Life sciences Materials science & engineering Science des matériaux & ingénierie Sciences du vivant |
| title | Prevention of bacterial biofilms by covalent immobilization of peptides onto plasma polymer functionalized substrates |
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