List of Medical Isotopes Produced in Reactors and Their Uses… Radioactive isotopes find uses in agriculture, food industry, pest control, archeology and medicine. Every home should have smoke alarms. ... $0.56 (5 dimes, 6 pennies) 6 protons, 8 neutrons 10:8 Radiocarbon dating, which measures the age of carbon-bearing items, uses a radioactive isotope known as carbon-14. This type of scan is useful for producing images of the brain and cardiac structures, as well as for detecting many types of cancer. Cobalt-60 (10.5 mth): Formerly used for external beam radiotherapy. The uranium occurs naturally as two isotopes 235 U and 238 U with relative abundances of approximately 0.28% to 99.71% with the remainder due to other isotopes.. Only the uranium 235 can be used for atomic energy and so needs to be concentrated in the sample. I take the reference to “isotopes” to mean uses of nuclear reactions in daily life. Although they do not emit radiation, their unique properties enable them to be used in a broad variety of applications, including water and soil management, environmental studies, nutrition assessment studies and forensics. isotopes of carbon: 12C, 13C, and 14C. The isotopes that are neutron-rich and those created from nuclear fission must be made in nuclear reactors. Common isotopes that are used in nuclear imaging include: fluorine-18, gallium-67, krypton-81m, rubidium-82, nitrogen-13, technetium-99m, indium-111, iodine-123, xenon-133, and thallium-201. To date we use roughly 40 activation product radioisotopes and also 5 isotopes that are products of fission in reactors. Dysprosium-165 (2 h): Used as an aggregated hydroxide for synovectomy treatment of arthritis. Among the non-generating radioactive isotopes are potassium-40 (K-40) with a half-life of 1.27 billion years old, rubidium-87 (Rb-87) with a half-life of 47.5 billion years and about 10 other nuclides that have a half-life of more than 10 billion years. These two types of isotopes have many uses in different industries - medical, agricultural and food, among others. Do you see my problem? Stable isotopes are non-radioactive forms of atoms. isotopes of magnesium: 24Mg, 25Mg, and 26Mg. In medicine, gamma rays emitted by radioactive elements are used to detect tumors inside the human body. This principle is put to use in the purification of uranium 235 for use in the atomic energy industry. Isotopes are atoms of a single element that differ in their numbers of neutrons. My interpretation is that the questioner wants uses for isotopes where the number of neutrons is important. 1. The isotopes used in PET scans are produced in a device called a cyclotron. Key Terms. 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