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Protein-coated nanostructured surfaces affect the adhesion of Escherichia coli

Kallas, Pawel (author)
Universitetet i Oslo,University of Oslo
Valen, Hakon (author)
Hulander, Mats, 1974 (author)
Chalmers tekniska högskola,Chalmers University of Technology
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Gadegaard, Nikolaj (author)
University of Glasgow
Stormonth-Darling, John (author)
University of Glasgow
O'Reilly, Padraic (author)
Thiede, Bernd (author)
Universitetet i Oslo,University of Oslo
Andersson, Martin, 1974 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Haugen, Havard J. (author)
Universitetet i Oslo,University of Oslo
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 (creator_code:org_t)
2022
2022
English.
In: Nanoscale. - : Royal Society of Chemistry (RSC). - 2040-3372 .- 2040-3364. ; 14:20, s. 7736-7746
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  • Journal article (peer-reviewed)
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  • Developing new implant surfaces with anti-adhesion bacterial properties used for medical devices remains a challenge. Here we describe a novel study investigating nanotopography influences on bacterial adhesion on surfaces with controlled interspatial nanopillar distances. The surfaces were coated with proteins (fibrinogen, collagen, serum and saliva) prior to E. coli-WT adhesion under flow conditions. PiFM provided chemical mapping and showed that proteins adsorbed both between and onto the nanopillars with a preference for areas between the nanopillars. E. coli-WT adhered least to protein-coated areas with low surface nanopillar coverage, most to surfaces coated with saliva, while human serum led to the lowest adhesion. Protein-coated nanostructured surfaces affected the adhesion of E. coli-WT.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP  -- Medicinsk bioteknologi -- Biomaterialvetenskap (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Medical Biotechnology -- Biomaterials Science (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Medicinteknik -- Medicinsk material- och protesteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Medical Engineering -- Medical Materials (hsv//eng)

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