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A preliminary study of the release of quaternary ammonium antimicrobial compounds from acrylic bone cement

A preliminary study of the release of quaternary ammonium antimicrobial compounds from acrylic bone cement

Mathey, Manojgna, Surana, Vijaya, Edwards, Mark and Nicholson, John W. (2009) A preliminary study of the release of quaternary ammonium antimicrobial compounds from acrylic bone cement. Journal of Material Science: Materials in Medicine, 20 (7). pp. 1579-1583. ISSN 0957-4530 (Print), 1573-4838 (Online) (doi:https://doi.org/10.1007/s10856-009-3717-1)

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Abstract

The quaternary ammonium compounds benzalkonium chloride and cetyl pyridinium chloride have been studied as potential anti-microbial additives for incorporation into acrylic bone cement. Using the commercial bone cement Palacos K-40, each compound was added at 1% and 5% by mass. Setting time of the cement was 9.75 min. This did not change when benzalkonium chloride (5%) was present, but was shortened to 9.00 min by 5% cetyl pyridinium chloride. Release of additive was estimated by determining chloride release from set cement specimens using a chloride-ion selective electrode. This showed that release occurred but was a complicated process and did not follow simple diffusion-based kinetics. Release thus appeared to occur by a similar overall mechanism to that of gentamicin sulphate from bone cements. The results show that these anti-microbial compounds can be incorporated into acrylic bone cement and then released in a satisfactory manner and suggest that these compounds have the potential to replace gentamicin sulphate as active ingredients in orthopaedic cements.

Item Type: Article
Uncontrolled Keywords: release, quaternary ammonium compounds, acrylic bone cement
Subjects: Q Science > QD Chemistry
T Technology > TP Chemical technology
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Department of Pharmaceutical, Chemical & Environmental Sciences
Related URLs:
Last Modified: 17 Oct 2016 09:10
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/5048

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