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. 2000 May;38(5):1747–1752. doi: 10.1128/jcm.38.5.1747-1752.2000

TABLE 2.

Effects of 8-MOP dissolved in DMSO and UV irradiation time on CT value for 16S rRNA PCR-positive (E. coli and N. meningitidis) and -negative (template) controls

Control CT value for the following UV exposure time (min):
None 1 2 3 4 5
Positive, N. meningitidis 21.77 24.90 27.76 27.02 29.75 43.79
Positive, E. coli 19.23 19.77 20.39 21.67 25.30 35.57
Negative 23.05 26.64 25.31 30.15 35.24 >45.0a
a

A CT value of >45.0 is deemed to be negative.