Photoinactivation of Propionibacterium acnes by Near-Ultraviolet Light
Open Access
- 1 April 1984
- journal article
- research article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung C
- Vol. 39 (3-4) , 300-302
- https://doi.org/10.1515/znc-1984-3-417
Abstract
Photodestruction of Propionibacterium acnes was investigated by broad-band near-ultraviolet light. The inactivation of the bacteria was found to be oxygen dependent, and without O2, practically no photoinactivation occurred. D2O caused an increased inactivation (D10 = 5 kJ/m2 - in D2O as compared to D10 = 11 kJ/m2 in normal water). Decreased temperature during illumination increased the ability to form colonies. The results are compared with corresponding results for other types of cells and the destruction mechanism is discussedKeywords
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