Table 2: Fluorescence intensity of EB-irradiated Bacillus spores after SYTO-9 and propidium iodide (PI) uptake.a

EB dose (kGy)SYTO-9± SDPI ± SDSYTO-9/PI

09441 ± 42809365 ± 18541.01
5.310293 ± 32039286 ± 14871.11
10.45328 ± 31638144 ± 21200.65
16.0b3703 ± 16569144 ± 13470.41
21.7b4190 ± 5039881 ± 9460.42

aMean ± standard deviation for spores identified in Q2 of Figure 4
bLess than 50,000 spores available to evaluate
by Tukey-Kramer test, as compared to 0 dose (unirradiated control)