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Effect of Q-switched laser surface texturing of titanium on osteoblast cell response

Voisey, K.T.; Scotchford, C.A.; Martin, L.; Gill, H.S.

Authors

L. Martin

H.S. Gill



Abstract

Titanium and its alloys are important biomedical materials. It is known that the surface texture of implanted medical devices affects cell response. Control of cell response has the potential to enhance fixation of implants into bone and, in other applications, to prevent undesired cell adhesion. The potential use of a 100W Q-switched YAG laser miller (DMG Lasertec 60 HSC) for texturing titanium is investigated. A series of regular features with dimensions of the order of tens of micrometers are generated in the surface of titanium samples and the cell response to these features is determined. Characterisation of the laser milled features reveals features with a lengthscale of a few microns superposed on the larger scale structures, this is attributed to resolidification of molten droplets generated and propelled over the surface by individual laser pulses. The laser textured samples are exposed to osteoblast cells and it is seen that cells do respond to the features in the laser textured surfaces.

Citation

Voisey, K., Scotchford, C., Martin, L., & Gill, H. (2014). Effect of Q-switched laser surface texturing of titanium on osteoblast cell response. Physics Procedia, 56, https://doi.org/10.1016/j.phpro.2014.08.027

Journal Article Type Article
Publication Date Jan 1, 2014
Deposit Date Jan 29, 2015
Publicly Available Date Jan 29, 2015
Journal Physics Procedia
Print ISSN 1875-3892
Electronic ISSN 1875-3892
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 56
DOI https://doi.org/10.1016/j.phpro.2014.08.027
Keywords cell response; laser surface texturing
Public URL http://eprints.nottingham.ac.uk/id/eprint/27893
Publisher URL http://www.sciencedirect.com/science/article/pii/S1875389214001722
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0





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