Pharmaceutical Microbiology Sterilization II - Pharm D Program Lecture

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10 Questions

What is the purpose of the AttestTM indicator?

To distinguish between exposed and non-exposed ampoules

What does the Browne’s tubeTM change color in response to?

Heat exposure

Which indicator is designed for monitoring low-temperature steam and formaldehyde cycles?

Plastic carrier with dried Bacillus stearothermophilus spores

Which indicator contains bacterial spores suspended in culture medium?

ChemsporTM indicator

What kind of rays induce dimerisation of thymine?

U.V. rays

Which sterilizing agent is used in Ethylene oxide sterilization?

Ethylene oxide

What does the ChemdiTM indicator display a color change in response to?

Heat exposure

What is the purpose of the ThermalogTM strip?

To display a color change in response to heat

What distinguishes between steam-exposed and non-exposed ampoules in the ChemsporTM indicator?

The horizontal band on the ampoule darkening on autoclaving

What is a feature of the ChemsporTM indicator that aids in distinguishing between exposed and non-exposed ampoules?

A second, smaller ampoule containing a chemical indicator.

Learn about cold sterilization, radiation sterilization, sterilization by filtration, gaseous sterilization, and specific methods like Ethylene oxide, β-propiolactone, propylene oxide, and formaldehyde. Understand the mode of action such as Alkylation of sulphhydryl.

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