International Journal of Microbiology / 2012 / Article / Tab 1

Research Article

Electron Beam Irradiation Dose Dependently Damages the Bacillus Spore Coat and Spore Membrane

Table 1

Bacillus spore viability after electron beam irradiation, as measured by flow cytometry ( ).a

EB dose (kGy)Viable counts ± SDNon viable counts ± SD

045,291 ± 7684,549 ± 774
5.341,369 ± 2,5748,497 ± 2,516
10.439,739 ± 1,409*10,157 ± 1,398*
16.0b31,124 ± 6,65916,668 ± 4,033
21.7b4,787 ± 1,4365,187 ± 1,430
Hypochlorous acidb, c33 ± 119840 ± 77

aMean ± standard deviation for viable spores identified in Q2 and nonviable spores in Q3 of Figure 4
bLess than 50,000 spores available for evaluation
c
* by the Tukey-Kramer test, as compared to 0 dose (unirradiated control)
by the Tukey-Kramer test, as compared to 0 dose (unirradiated control)

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