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231224s2012 xx ||||| 00| ||eng c |
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|a (NLM)22866394
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Williams, A
|e verfasserin
|4 aut
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|a Effect of freezing on photoreactivation of Escherichia coli and Enterococcus faecalis
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 23.08.2012
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|a Date Revised 07.08.2012
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|a published: Print
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|a Citation Status MEDLINE
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|a The effect of freezing on photoreactivation of two strains of Escherichia coli (ATCC strain 25922 and O157:H7 strain 961019) and two strains of Enterococcus faecalis (strain ATCC 51299, vancomycin-resistant and strain ATCC 29212, vancomycin-sensitive) following ultraviolet irradiation were examined. The level of log photoreactivation of the freezing treated test organisms (frozen at -7, -15, or -30 degrees C then thawed at room temperature prior to ultraviolet irradiation) was compared with that of the samples that had not been frozen. Freezing had obvious impact on the response of the test organisms to visible light following ultraviolet irradiation. Significantly lower levels of photoreactivation were observed in the freezing treated cells. The effect of freezing on the ability of the test microbes to photoreactivate seems to be strain and species dependent. Overall, the experimental results suggest that less photoreactivation could be expected if freezing is used as a treatment method prior to ultraviolet disinfection
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|a Journal Article
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|a Gao, W
|e verfasserin
|4 aut
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|a Leung, K T
|e verfasserin
|4 aut
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 84(2012), 6 vom: 06. Juni, Seite 529-34
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
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|g volume:84
|g year:2012
|g number:6
|g day:06
|g month:06
|g pages:529-34
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|a AR
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|d 84
|j 2012
|e 6
|b 06
|c 06
|h 529-34
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