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

Figure 5

Scanning electron micrographs illustrating spore damage at varying EB dosages: (a) control spores (5,400 x magnification), (b) 5.3 kGy (5,400 x), (c) 10.4 kGy (5,400 x), and (d) 21.7 kGy (5,400 x). Scale bar is 1.0 μm. White arrows indicate ruptured spores.

(a)

(b)

(c)

(d)