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Effects of UV exposure
Abstract
This report is a study of the effects of UV exposure on the growth of four strains of non-photosynthetic bacteria: Escherichia coli, Staphylococcus aureus, Bacillus megaturium and Psuedomonas aeruginosa. Using a UV Transilluminator, each strain was exposed to nine different time intervals of UV radiation at a frequency of 1x 10 Mhz. After 48 hours of incubation, the kill time was determined by the first interval that produced no visible growth of colonies. The kill time …
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…paper for English 360.
References
Abshire R, Dunton H. 1981. Resistance of Selected Strains of Psuedomonas aeruginosa to Low-Intensity UV Radiation. Applied and Environmental Microbiology 31:1419-1423
McKillip J, Jaykus L, Drake M. 1998. Ribosomal RNA Stability in Heat-Killed and UV-Irradiated Enterotoxigenic Staphylococcus aureus and Escherichia coli 0157:H7. Applied and Environmental Microbiology 64: 4264-4268.
Mody R, KrishnaMurthy S, Prafulla D. 1989. Influence of Far UltraViolet Radiation on the Permeability of the Outer Membrane of Escherichia coli. Canadian Journal of Biology 26. 156-162.
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