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HomePrinciples of sterilization and disinfection

Principles of sterilization and disinfection

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Principles of sterilization and disinfection

Filtration Sterilization: Types, Mechanism and Uses

May 5, 2020 Acharya Tankeshwar 0

Filtration is the preferred method of sterilizing heat sensitive liquid and gases without exposure to denaturing heat. Rather than destroying contaminating microorganisms, it simply removes them. It is the method of choice for sterilizing antibiotic […]

Chemical disinfectants
Microbiology for Beginners

Disinfection: Methods and Uses

April 15, 2020 Acharya Tankeshwar 0

Disinfection is a process whereby pathogenic organisms, but not necessarily all microorganisms or spores, are destroyed. Disinfection may be accomplished by physical or chemical means. A number of factors influence the activity of disinfectants such […]

Bacteriology

Autoclave: Principle, Procedure, Types and Uses

October 3, 2019 Nisha Rijal 2

The autoclave is a sealed device (similar to a pressure cooker) that kills microorganisms using saturated steam under pressure. The use of moist heat facilitates the killing of all microorganisms, including heat-resistant endospores which is […]

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Principles of sterilization and disinfection

Ethylene Oxide (ETO): Properties, Mode of action and uses

December 26, 2013 Acharya Tankeshwar 1

Ethylene oxide (ETO) has been widely used as a low-temperature sterilant. ETO is a colorless gas that is flammable and explosive but it is liquid at temperatures below 10.8oC. ETO is an effective sterilizing agent for heat- […]

Principles of sterilization and disinfection

Moist heat sterilization: Definition, Principle, Advantages and Disadvantages

December 23, 2013 Acharya Tankeshwar 20

Of all the methods available for sterilization (killing or removal of all microorganisms, including bacterial spores), moist heat in the form of saturated steam under pressure is the most widely used and the most dependable […]

Principles of sterilization and disinfection

Dry-Heat Sterilization: Principle, Advantages and Disadvantages

December 23, 2013 Acharya Tankeshwar 16

Dry heat sterilization (killing or removal of all microorganisms, including bacterial spores) technique requires longer exposure time (1.5 to 3 hours) and higher temperatures than moist heat sterilization. Various available methods of dry heat sterilization are; hot […]

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