Search results
Learn about radioactive isotopes, also known as radioisotopes, radionuclides, or radioactive nuclides, which are unstable species of the same element with different masses. Find out how they are produced naturally or artificially, and how they are used in medicine, industry, and research.
- 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
Ask the Chatbot a Question Ask the Chatbot a Question ulcer,...
- Isotopic Tracer
Isotope dilution, in which radioisotopes are introduced into...
- Videos
Learn what radioisotopes are, how they are produced, and how they are used in medicine, industry and science. Find out about the common radioisotopes used in each field and their applications.
30 lip 2020 · Radioisotopes are unstable forms of elements that emit radiation and transform into more stable ones. Learn how they are produced, used and regulated by the IAEA in medicine, industry and other fields.
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.
26 cze 2023 · radiometric dating. Radioactive isotopes are used to determine the age of ancient objects and geological events. For example, carbon-14 is used to date organic materials, such as bones and archaeological remains, while uranium-238 is used to date rocks and minerals.
Radioisotopes are atomic elements that do not have the correct proton to neutron ratio to remain stable and emit radiation. They are used in medicine for diagnosis and treatment of various diseases, and are produced by nuclear reactors and cyclotrons.
19 sie 2022 · Radioisotopes are artificially and safely produced in research reactors and accelerators. One use of radioisotopes is to manage cancer and chronic diseases using radioisotope therapy, which treats cancerous cells in a safe and effective manner. Other uses include creating better health care products by removing or neutralising chemicals ...
