Which of the following is used as an indicator for plasma sterilization?
Correct Answer: Bacillus stearothermophilus
Description: For determining the efficacy of moist heat sterilization, spores of Bacillus stearothermophilus are used as the test organism. This is a thermophilic organism with an optimum growth temperature of 55-60oC and its spores require an exposure of 12 minutes at 121oC to be killed. Ref: Textbook of Microbiology by Ananthanarayan, 8th edition, Page 32; 6th edition, Page 27.
Category:
Microbiology
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