NDLI: Bacterial attachment response to nanostructured titanium surfaces

Content Provider	IEEE Xplore Digital Library
Author	Vi Khanh Truong Wang, J.Y. Shurui, W. Malherbe, F. Berndt, C.C. Crawford, R.J. Ivanova, E.P.
Copyright Year	2010
Description	Author affiliation: Faculty of Engineering and Industrial Sciences, IRIS, Swinburne University of Technology, PO BOX 218, Hawthorn, Victoria, 3122, Australia (Wang, J.Y.; Berndt, C.C.) \|\| Faculty Life and Social Sciences, PO BOX 218, Hawthorn, Victoria, 3122, Australia (Vi Khanh Truong; Malherbe, F.; Crawford, R.J.; Ivanova, E.P.) \|\| Veeco Asia Pty Ltd, PO BOX 218, Hawthorn, Victoria, 3122, Australia (Shurui, W.)
Abstract	The effect of sub-nanometric surface roughness of Ti thin films surfaces on the attachment of two human pathogenic bacteria, Staphylococcus aureus CIP $65.8^{T}$ and Pseudomonas aeruginosa ATCC 9027, was studied. A magnetron sputtering thin film deposition system was used to control the titanium thin film thicknesses of 3 nm, 12 nm and 150 nm on silicon wafers with corresponding surface roughness parameters of Rq 0.14 nm, 0.38 nm and 5.55 nm (1 μm × 1 μm scanning area). Analysis of bacterial retention profiles showed that the bacteria responded differently changes in the Ra and Rq (Ti thin film) surface roughness parameters of a less than 1 nm, with up to 2–3 times: more cells being retained on the surface, and elevated levels of extracellular polymeric substances being secreted on the Ti thin films, in particular on the surfaces with 0.14 nm (Rq) roughness.
Starting Page	253
Ending Page	256
File Size	757456
Page Count	4
File Format	PDF
ISBN	9781424452613
DOI	10.1109/ICONN.2010.6045205
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-02-22
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	sub-nanometric surface morphology Microorganisms Surface morphology titanium Titanium bacterial attachment Surface roughness Rough surfaces Surface topography Surface treatment
Content Type	Text
Resource Type	Article

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