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Lookup NU author(s): Dr Nigel Lightfoot
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Aims: Lenticules(TM) consist of control-dried plano convex discs in which biologically-active materials are contained within a water-soluble matrix. They can be produced to contain stable numbers of bacteria from 10 cfu lenticule(-1) to 10(8) cfu lenticule(-1) with a wide variety of, organisms. These experiments were carried, out to validate their use as a tool for internal quality control in quantitative microbiology. Methods and Results: The Lenticules(TM) were used routinely in standard quantitative microbiological procedures across five laboratories. Results showed the materials to be stable, homogenous and capable of identifying systematic errors. Conclusions: The Lenticules(TM) provide suitable, stable control materials. Significance and Impact of the Study: Routine internal quality control of quantitative measurements is greatly improved; the materials are easy to use and enable comparisons between laboratories to be made.
Author(s): Lightfoot NF, Richardson IR, Harford JP
Publication type: Article
Publication status: Published
Journal: Journal of Applied Microbiology
Year: 2001
Volume: 91
Issue: 4
Pages: 660-667
ISSN (print): 1364-5072
ISSN (electronic): 1365-2672
Publisher: Wiley-Blackwell Publishing Ltd.
URL: http://dx.doi.org/10.1046/j.1365-2672.2001.01432.x
DOI: 10.1046/j.1365-2672.2001.01432.x
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