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Learn what a radioactive isotope is, how it is produced, and how it is used in medicine, industry, and research. Find out the examples, applications, and sources of radioactive isotopes of different elements.
- Videos
Dive into Britannica’s video collection, where you’ll find...
- Samarium-148
Other articles where samarium-148 is discussed: samarium: 0...
- Lutetium-176
Other articles where lutetium-176 is discussed: lutetium: 4...
- Nuclear Medicine
Nuclear medicine, medical specialty that involves the use of...
- Ulcer
Ulcer, a lesion or sore on the skin or mucous membrane...
- Isotopic Tracer
Radioactive tracers are widely used in science, engineering,...
- Transuranium Element
The heavier lines show subsidiary paths that augment the...
- Radon
Radioactive isotopes having masses ranging from 204 through...
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A radionuclide is a nuclide that has excess nuclear energy and undergoes radioactive decay. Learn about the natural, nuclear fission and synthetic sources of radionuclides, and their applications in nuclear medicine, industry and research.
Learn about isotopes, radioactive decay, half-life, and how carbon dating works. See examples of radioactive isotopes of carbon, potassium, and uranium, and their applications and effects.
Learn what radioisotopes are, how they are produced naturally or artificially, and how they are used in medicine, industry and science. Find out some common examples of radioisotopes and their applications in radiopharmaceuticals, radiography, gauging, dating and more.
30 lip 2020 · Radioisotopes are unstable forms of elements that emit radiation and have various uses in medicine, industry and other fields. The IAEA helps Member States to produce, quality assure and regulate radioisotopes and radiopharmaceuticals.
24 wrz 2024 · Radioactivity is the property of some nuclei to emit energy and particles spontaneously. Learn about the types of radioactivity, such as alpha, beta, gamma, and fission, and their applications in science and medicine.
24 sty 2023 · Learn about the types, properties, and applications of radioactive isotopes, which are isotopes that decay spontaneously and emit particles. Find out how to calculate the activity, half-life, and counting statistics of radioactive isotopes.