Radioisotopes
Radioisotopes
Radioisotopes (pronounced: /ˌreɪdioʊˈaɪsəˌtoʊps/) are types of atoms with unstable nuclei that emit radiation during their decay to a stable form. The term is derived from the Greek words 'radio' meaning 'radiation' and 'isotope' meaning 'same place', referring to the fact that radioisotopes occupy the same place on the periodic table as their stable counterparts.
History
The discovery of radioisotopes can be traced back to the late 19th and early 20th centuries, with significant contributions from scientists such as Henri Becquerel, Marie Curie, and Pierre Curie. The first radioisotope, uranium, was discovered in 1896.
Types of Radioisotopes
There are several types of radioisotopes, each with unique properties and uses. Some of the most common include Carbon-14, Iodine-131, and Technetium-99m.
Carbon-14
Carbon-14 is a radioisotope of carbon that is used in carbon dating to determine the age of ancient artifacts and fossils.
Iodine-131
Iodine-131 is a radioisotope of iodine that is used in medical treatments, particularly for conditions related to the thyroid gland.
Technetium-99m
Technetium-99m is a radioisotope of technetium that is used in medical imaging to diagnose a variety of conditions.
Uses of Radioisotopes
Radioisotopes have a wide range of applications in various fields, including medicine, archaeology, and industrial processes. In medicine, they are used in both diagnosis and treatment of diseases. In archaeology, they are used in dating artifacts and fossils. In industrial processes, they are used in a variety of ways, including tracing the flow of substances and detecting leaks.
External links
- Medical encyclopedia article on Radioisotopes
- Wikipedia's article - Radioisotopes
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