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عندي سؤال ممكن تساعدوني؟

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  • #1

    عندي سؤال ممكن تساعدوني؟

    السلام عليكم ... مر عليه سؤال لم استطع الاجابه عليه ..ارجوا منكم ان تفيدوني بشئ من علمكم جزاكم الله خير ..

    Whats the different between sterilization and disinfection with example for each one ?
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  • #2
    اولا : بصورة مختصرة
    difference between sterilization and disinfection     Sterilization kills all viable microorganisms.
    Disinfection only reduces the number of viable microorganisms.
    ثانيا : بشيء من التفصيل والمقارنة
    Disinfection and sterilization are both decontamination processes. While disinfection is the process of eliminating orreducing harmful microorganisms from inanimate objects and surfaces, sterilization is the process of killing allmicroorganisms. That is the main difference between sterilizing and disinfecting. Sterilization also destroys the spores of various organisms present on surfaces, in liquids, in medication, or in compounds such as biological culture media. Such "extreme" forms of decontamination are needed during critical times like surgery, or in environments like industrial, laboratory or hospital. It is more practical to use disinfection in everyday life.
    Comparison chart

    Definition: To disinfect means to eliminate most harmful microorganisms (not including their spores) from surfaces or objects; inactivate viruses To sterilize means to kill ALL microbes - whether harmful or not - and their spores present on a surface or object.
    Methods: Phenolic disinfectants, Heavy metals, Halogens (eg Chlorine), Bleach, Alcohols, Hydrogen Peroxide, Detergents, Heating and Pasteurization Heat, chemicals, irradiation, high pressure, and filtration.
    Types: Air disinfectants, Alcohols, Aldehydes, Oxidizing agents, Phenolics. Steam, Heating, Chemical sterilization, Radiation sterilization, Sterile filtration.
    Application: Disinfection is used mostly to decontaminate surfaces and air. Sterilization is used for food, medicine and surgical instruments.
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    • #3
      جدا اشكرك على اجابتك عن سؤالي جزاك الله خير

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