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Tests on self-disinfecting surfaces

Published online by Cambridge University Press:  15 May 2009

D. Kingston and
W. C. Noble
D. Kingston
Affiliation:
Cross-Infection Reference Laboratory, Central Public Health Laboratory, Colindale Avenue, London, N.W. 9
W. C. Noble
Affiliation:
Cross-Infection Reference Laboratory, Central Public Health Laboratory, Colindale Avenue, London, N.W. 9
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A variety of surfaces was tested for self-disinfecting action against Staph. aureus and Esch. coli at a humidity of 42%. Surfaces which had been treated with disinfectants sometimes reduced the survival when the organisms were applied subsequently in drops of broth, but the reduction was very small unless the surface was able to absorb appreciable amounts of disinfectant and the drop of inoculum spread. When the inoculum was applied dried in cotton dust, only surfaces which evolved formaldehyde showed any activity against the bacteria. These surfaces also reduced the survival of bacteria in liquid inocula.

We would like to record our thanks to Dr O. M. Lidwell for much helpful advice.

Information

Type
Research Article
Information
Journal of Hygiene , Volume 62 , Issue 4 , December 1964, pp. 519 - 532
Copyright
Copyright © Cambridge University Press 1964

References

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