2023-11-07T17:52:04+03:00[Europe/Moscow] en true <p>Measurement of growth</p>, <p>Counting chamber pro / cons</p>, <p>CFU - CFU/ml</p>, <p>Methods for plate counting</p>, <p>Plate count pro / cons</p>, <p>Filtration pro/ cons</p>, <p>Most probable number method</p>, <p>Principle of turbidity</p>, <p>Turbidity pros / cons</p>, <p>Growth control factors</p>, <p>Sterilisation </p>, <p>Decontamination</p>, <p>Disinfection </p>, <p>D-value</p> flashcards
Microbiology 3.

Microbiology 3.

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  • Measurement of growth

    Direct measurement:

    -direct microscopic count- counting chamber

    -electronic counting (Coulter counter)

    -plate count

    -filtration

    -most probable number method

    Indirect measurement:

    -turbidity

    -metabolic activity

    -dry weight/wet weight/cell volume

  • Counting chamber pro / cons

  • CFU - CFU/ml

    Colony Forming Units - colonies / ml

  • Methods for plate counting

    -Spread plate method

    -Pour plate method

  • Plate count pro / cons

  • Filtration pro/ cons

  • Most probable number method

  • Principle of turbidity

  • Turbidity pros / cons

  • Growth control factors

  • Sterilisation

    killing or removal of all viable microorganisms and viruses

  • Decontamination

    treatment that renders an object or inanimate surface safe to handle

  • Disinfection

    the elimination of pathogens from inanimate objects or surfaces

  • D-value

    decimal reduction time: time in which 90%of the original population is killed