Metal surface characteristics dictate bacterial adhesion capacity

Bacterial adhesion can be dictated by different surface characteristics. In this study we concentrate on the surface roughness of a stainless steel material. We prepared the stainless steel surfaces by 3D polishing, brushing, grinding and electropolishing. Untreated stainless steel surfaces were als...

Full description

Saved in:
Bibliographic Details
Published in:International journal of adhesion and adhesives 2016-07, Vol.68, p.39-46
Main Authors: Bohinc, Klemen, Dražić, Goran, Abram, Anže, Jevšnik, Mojca, Jeršek, Barbara, Nipič, Damijan, Kurinčič, Marija, Raspor, Peter
Format: Article
Language:English
Subjects:
Adhesion
Bacteria
Bacterial adhesion
Cracks
Grinding
Metal surfaces
Roughness
Stainless steels
Surface roughness
Three dimensional
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Bacterial adhesion can be dictated by different surface characteristics. In this study we concentrate on the surface roughness of a stainless steel material. We prepared the stainless steel surfaces by 3D polishing, brushing, grinding and electropolishing. Untreated stainless steel surfaces were also considered. The corresponding surface roughness was assessed by profilometry and atomic force microscopy. In experiments we have used different types of bacteria. The rate of adhered bacteria on metal surfaces was determined spectrophotometrically. The results showed that the rate of adhered bacteria increases with increasing surface roughness. Scanning electron microscopy was used to image surfaces in order to determine locations of adhered bacteria. The increased adhesion of bacteria on more rough surfaces results from an increased interplay between the increasing effective surface area and increasing numbers of cracks, voids and gaps.
ISSN:0143-7496
1879-0127
DOI:10.1016/j.ijadhadh.2016.01.008