A comparison of pulsed and continuous ultraviolet light sources for the decontamination of surfaces

The experimental results on the development of a decontamination process that uses ultraviolet light and chemical photosensitizer for disinfecting surfaces and solutions are reported. Reduction in the microbial viability as a function of applied UV fluence is presented for the inactivation of Bacill...

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Veröffentlicht in:	IEEE transactions on plasma science 2000-10, Vol.28 (5), p.1581-1587
Hauptverfasser:	McDonald, K.F., Curry, R.D., Clevenger, T.E., Unklesbay, K., Eisenstark, A., Golden, J., Morgan, R.D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Bacteria Chemical processes Contamination Decontamination Earth Fungi Light sources Microorganisms Missiles Physics Spraying Surface cleaning Ultraviolet radiation
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description	The experimental results on the development of a decontamination process that uses ultraviolet light and chemical photosensitizer for disinfecting surfaces and solutions are reported. Reduction in the microbial viability as a function of applied UV fluence is presented for the inactivation of Bacillus subtilis spores. Results obtained with aqueous solutions and with surfaces indicate that pulsed UV light is more effective than continuous UV light. Nearly three orders of magnitude of enhanced inactivation have been achieved with the photosensitized UV process on surfaces.
doi_str_mv	10.1109/27.901237
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subjects	Bacteria Chemical processes Contamination Decontamination Earth Fungi Light sources Microorganisms Missiles Physics Spraying Surface cleaning Ultraviolet radiation
title	A comparison of pulsed and continuous ultraviolet light sources for the decontamination of surfaces
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