Enumerate the various physical agents of sterilization, Biology

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Q. Enumerate the various physical agents of sterilization, and list the advantages of moist heat in sterilization process

Various physical agents of sterilization are

  • Sunlight
  • Drying
  • Dry heat: flaming, incineration, hot air
  • Moist heat: pasteurization, boiling, steam under pressure
  • z Filtration: candles, asbestos, pads, membranes
  • z Radiation
  • z Ultrasonic and sonic vibration Advantages of moist heat in sterilization process
  • are
  • z Time efficiency
  • z Good penetration
  • z Can be used with packaged items
  • z Ability to process wide range of materials without destruction

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