micro chapter 11

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Author:
lcunrod7
ID:
266667
Filename:
micro chapter 11
Updated:
2014-03-16 19:42:57
Tags:
tables 11
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Description:
study
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  1. autoclave, pressure cooker; 121C, pressure of 15 psi for 10-40 mins, depending on load size, kills endospores
    steam under pressure
  2. what sterilization of heat-resistant material made of glass, cloth, rubber, metal, media, a few plastics, canned food and spices
    steam under pressure
  3. what is decontamination of cultures and not appropriate for moisture-repellent oil or powder
    steam under pressure
  4. arnold's sterilizer- 100C for 30 mins of 3 days, items are incubated between treatments to allow endospores to germinate
    unpressurized steam
  5. what is limited uses in sterilizing some media and foods that cannot be autoclaved; can be used to disinfect but not sterilize some medical supplies
    unpressurized steam
  6. flash method 71.6C for 15 seconds; ultrahigh temperature uses 134C for a few seconds
    pasteurization
  7. what is disinfection of milk and dairy products to destroy milk-borne pathogens; UHT can sterilize for longer shelf life
    pasteurization
  8. what is the process of fruit juices, beer, and wine to destroy contaminants and preserve the products
    pasteurization
  9. water bath or pan heated 100C, items may be placed in water for 30 mins to kill vegetative pathogens
    boiling water
  10. what is limited to disinfection and sanitization of heat-resistant household objects such as eating utensils, clothing, sick room supplies, baby supplies, bedding
    boiling water
  11. electric or gas chamber heated to 150C to 180C for 2-4 hours
    dry oven
  12. what are materials that can withstand hot temperature and dehydration; glassware, metals, powders, oils; bad for liquids, rubber plastics; time consuming
    dry oven
  13. bunsen burner flame up to 1,800C, small infrared incinerators to 800C, furnaces, incinerators up to 6,500C
    incineration
  14. for sterilizing tips of incoulation instruments; limited to high-temperature metals
    incineration
  15. permanent disposal of waster material from laboratories; burning reduces bulky packages and garbage to ashes
    incineration

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