considerations when controlling microbes

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7 Terms

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physical conditions include

temp, ph, pressure and concentration

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Thermal death time (TDT) (temp)

the shortest amount of time needed to kill microbes at a specific temp

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thermal death point (TDP) (temp)

the lowest temp needed to kill all microbes in 10 min

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extreme PH can

damage or inhibit microbes

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increasing pressure in a autoclave….

raises the boiling point of water allowing steam to reach high temp allowing microbes and endospores to be killed

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higher concentrations of antimicrobial agents….

increase the effectiveness of microbial killing

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most disinfectants are more active at

higher concentrations