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The proper time and temperature for dry heat sterilization is 160 °C (320 °F) for 2 hours or 170 °C (340 °F) for 1 hour, and in the case of High Velocity Hot Air sterilisers, 190°C (375°F) for 6 to 12 minutes. [3] Items should be dry before sterilization since water will interfere with the process. Dry heat destroys microorganisms by ...
Dry heat sterilizer. Dry heat was the first method of sterilization and is a longer process than moist heat sterilization. The destruction of microorganisms through the use of dry heat is a gradual phenomenon. With longer exposure to lethal temperatures, the number of killed microorganisms increases.
Hot air oven. Hot air ovens are electrical devices which use dry heat to sterilize. They were originally developed by Louis Pasteur, [ 1] and are essentially the same as fan ovens used for cooking food. Generally, they use a thermostat to control the temperature. Their double walled insulation keeps the heat in and conserves energy, the inner ...
Heat is applied by baking in a dry heat oven that is designed specifically for the depyrogenation process. Although endotoxins are relatively thermally stable, sufficient heating (250 °C for 30 min) results in a 3-log reduction of endotoxin levels.
Incubator (culture) An incubator is a device used to grow and maintain microbiological cultures or cell cultures. The incubator maintains optimal temperature, humidity and other conditions such as the CO 2 and oxygen content of the atmosphere inside. Incubators are essential for much experimental work in cell biology, microbiology and molecular ...
Infection prevention and control. Infection prevention and control is the discipline concerned with preventing healthcare-associated infections; a practical rather than academic sub-discipline of epidemiology. In Northern Europe, infection prevention and control is expanded from healthcare into a component in public health, known as "infection ...
storage of gowns, cotton, linen, etc. The microscope. used for visualising minute structures including microbes. Various stains. used to stain microscopic slides to get contrast. Hot air oven. used in sterilizing instruments for various aseptic procedures, specially if that can not be autoclaved like powders. Koch 's or Arnold's steam sterilizer.
Laboratory oven. Laboratory ovens are a common piece of equipment that can be found in electronics, materials processing, forensic, and research laboratories. These ovens generally provide pinpoint temperature control and uniform temperatures throughout the heating process. The following applications are some of the common uses for laboratory ...
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