Sensitivity of Candida albicans to negative air ion streams

J.M. SHARGAWI, E.D. THEAKER, D.B. DRUCKER, T. MACFARLANE and A.J. DUXBURY.1999.Negative air ions (NAIs) are known to kill C. albicans; however, their precise mechanism of action is uncertain. Elucidation of this has been hampered by a lack of reproducibility between results obtained by different inv...

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Published in:Journal of applied microbiology 1999-12, Vol.87 (6), p.889-897
Main Authors: Shargawi, J. M., Theaker, E. D., Drucker, D. B., MacFarlane, T., Duxbury, A. J.
Format: Article
Language:English
Subjects:
Action of physical and chemical agents
Air
Anions
Biological and medical sciences
Candida albicans
Candida albicans - growth & development
Culture Media
Fundamental and applied biological sciences. Psychology
Humans
Humidity
Microbiological Techniques
Microbiology
Mycology
Ozone
Reproducibility of Results
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Summary:J.M. SHARGAWI, E.D. THEAKER, D.B. DRUCKER, T. MACFARLANE and A.J. DUXBURY.1999.Negative air ions (NAIs) are known to kill C. albicans; however, their precise mechanism of action is uncertain. Elucidation of this has been hampered by a lack of reproducibility between results obtained by different investigators. The aim of this study was to determine the influence of variation in experimental parameters on the sensitivity of C. albicans to negative air ions and the role of ozone in this process. Ten strains of C. albicans were exposed to NAIs generated at different emitter distances, exposure times, relative humidities and under aerobic and oxygen‐free conditions. In further experiments, ozone levels were measured under the same conditions. The effect of NAIs on C. albicans growth was assessed by measuring the area of the zone of inhibition generated around the electrode of the ionizer. There was a significant reduction in area of zone of inhibition with increasing emitter distance (P
ISSN:1364-5072
1365-2672
DOI:10.1046/j.1365-2672.1999.00944.x