what are gamma rays used to sterilize?
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Gamma irradiation is a physical/chemical means of sterilization, because it kills bacteria by breaking down bacterial DNA, inhibiting bacterial division. Energy of gamma rays passes through the equipment, disrupting the pathogens that cause contamination.
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Gamma rays are widely used in medicine and specifically in the area of oncology to treat malignant and cancerous tumors during a process called gamma knife surgery. In this type of treatment, concentrated beams of gamma rays are directed at tumors in order to kill cancerous cells.
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['Gamma Rays. Kill Organisms that Spoil Food, Treats Some Cancers.', 'X-Rays. Shows Breaks in Bones, Shows Cavities in Teeth.', 'Ultraviolet Rays. Creates a Tan, Causes Sunburn, Used to Kill Germs.', 'Visible Light. Creates a Rainbow, Allows Us to See.', 'Infrared Rays. ... ', 'Microwaves. ... ', 'Shorter Radio Waves. ... ', 'Longer Radio Waves.']
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A gamma ray or gamma radiation (symbol γ), is penetrating electromagnetic radiation arising from the radioactive decayof atomic nuclei. It consists of photons in the highest observed range of photon energy.
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There are three types of radiation: alpha particles, beta particles and gamma rays. Beta particles can be blocked by a sheet of aluminum, but gamma rays require several inches of lead, concrete or steel to be stopped.
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Autoclaves are also known as steam sterilizers, and are typically used for healthcare or industrial applications. An autoclave is a machine that uses steam under pressure to kill harmful bacteria, viruses, fungi, and spores on items that are placed inside a pressure vessel.
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An autoclave is used to sterilize surgical equipment, laboratory instruments, pharmaceutical items, and other materials. ... A very basic autoclave is similar to a pressure cooker; both use the power of steam to kill bacteria, spores and germs resistant to boiling water and powerful detergents.
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Radioactivity tracers are commonly used in the medical field and also in the study of plants and animals. Radiation is used and produced in nuclear reactors, which controls fission reactions to produce energy and new substances from the fission products. Radiation is also used to sterilize medical instruments and food.
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X-rays and gamma rays are created in power plants for nuclear energy, and are also used in smaller amounts for medical imaging tests, cancer treatment, food irradiation, and airport security scanners. X-rays and gamma rays are both types of high energy (high frequency) electromagnetic radiation.
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Gamma rays are emitted from radioactive forms of the element cobalt (Cobalt 60) or of the element cesium (Cesium 137). Gamma radiation is used routinely to sterilize medical, dental, and household products and is also used for the radiation treatment of cancer.
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Steam or autoclave sterilization is the most common method of instrument sterilization. Instruments are placed in a surgical pack and exposed to steam under pressure. A sterilization indicator (required) such as autoclave tape or an indicator strip is used to identify instruments that have been sterilized.
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Sterilization involving lower temperature and high-pressure of water (steam) is known as Moist Heat Sterilization. Sterilization involving the dry air of higher temperature and for the longer time is known as Dry Heat Sterilization. As the name says, it needs steam and water. ... Moist heat sterilization takes less time.
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It is not true that all of the medical tools and devices are sharp and they should also be sterilized. The use of non-sterilized equipment may cause some potential medical issues in the long run so this is something that should not be done. All of the medical devices should be handled well too for the best results.
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Sterilization is defined as the destruction of all microbial life, whereas disinfection involves the use of a chemical sterilant/agent to eliminate virtually all recognized pathogenic microorganisms, but not necessarily all types of microorganisms (e.g., bacterial endospores) present on inanimate objects.
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Tools, Equipment, and Paraphernalia for Cleaning, Washing, and Ironing Bottle Sterilizer A bottle sterilizer is an apparatus which is used in destructing microorganisms in containers like feeding bottle through boiling. Broom A broom is a tool which is used for sweeping dirt.
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Radiation is used to sterilize medical instruments by first sealing a clean, but not bacteria-free, instrument in an air-tight bag. The bag and instrument are then placed in a very large field of radiation that can penetrate the bag—for example, gamma radiation, x rays, or high-energy electrons.
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Ionizing radiation is a type of short wavelength radiation that carries enough energy to free electrons from atoms or molecules, thereby ionizing them. This article focuses on gamma irradiation, which is most commonly used for sterilization purposes.