Figure 2 | Scientific Reports

Figure 2

From: Quantitative and Fast Sterility Assurance Testing of Surfaces by Enumeration of Germinable Endospores

Figure 2

Inactivation of B. atrophaeus endospores inoculated on stainless steel coupons showing EGA (solid line) and heterotrophic plate (dashed line) counts under (a) 105 °C dry heat inactivation. (b) UV inactivation with a mercury lamp irradiating samples at 254 nm with a power of 22.9 µW/cm2 on endospores on surface. (c) Inactivation of B. subtilis endospores inoculated on PDMS as a function of oxygen plasma inactivation time. (d) Vaporized hydrogen peroxide inactivation of G. stearothermophilus endospores from spore strips.

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