Products -> Spore Suspensions

Mesa spore suspensions are calibrated suspensions of bacterial spores appropriate for direct inoculation of products or preparing custom biological indicators for monitoring steam, ethylene oxide, dry heat, hydrogen peroxide, radiation, and other industrial sterilization processes.

Each vial contains 10ml of suspension. The suspending liquid is 40% ethanol or purified water.

Availability

G. stearothermophilus
Process	Incubation	Population	Reorder #
Steam	7 days* at 55-60°C	10³	SSS/3
		10⁴	SSS/4
		10⁵	SSS/5
		10⁶	SSS/6
		10⁷	SSS/7

B. atrophaeus
Process	Incubation	Population	Reorder #
Ethylene Oxide Gas and Dry Heat	7 days* at 30-35°C	10³	SSG/3
		10⁴	SSG/4
		10⁵	SSG/5
		10⁶	SSG/6
		10⁷	SSG/7
		10⁸	SSG/8

B. pumilus
Process	Incubation	Population	Reorder #
Radiation	7 days* at 30-35°C	10³	SSR/3
		10⁴	SSR/4
		10⁵	SSR/5
		10⁶	SSR/6
		10⁷	SSR/7
		10⁸	SSR/8

*when cultured in SCD medium.

Also available upon request: Clostridium sporogenes, B. subtilis 6633, B. smithii, B. megaterium, B. subtilis 5230, B. thuringeinsis, B. licheniformis, and B. cereus.

Storage

Aqueous: refrigerate at 2 to 8°C.

40% Ethanol: freeze at -25 to -10°C.

Expiration:

24 months from date of manufacture (stored in ethanol). 12 months from date of manufacture (stored in aqueous).

Certification

Spore suspensions are traceable to a recognized culture collection and certified for population, D-value, and Z-value (steam).

Product Notes

Available in ethanol and aqueous preparations

Other bacterial spores available on request