We use Bacillus subtilis spore strips for validating and monitoring ETO and
dry heat sterilization cycles. Is var. niger as well as var. globigii
suitable for both purposes? Or is var. niger the preferred organism for ETO
cycles, and var. globigii for dry heat cycles - or vice versa?
Alcon-Couvreur, Microbiology Lab
h.bastaerts at worldonline.be