Radionuclide - Wikipedia
A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is a nuclide that has excess numbers of either neutrons or protons, giving it excess nuclear energy, and making it unstable. This excess energy can be used in one of three ways: emitted from the nucleus as gamma radiation; transferred to one of its electrons to release it as … See more
OriginOn Earth, naturally occurring radionuclides fall into three categories: primordial radionuclides, secondary radionuclides, and cosmogenic radionu…
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Radionuclide therapy - Wikipedia
Radionuclide therapy (RNT, also known as unsealed source radiotherapy or molecular radiotherapy) uses radioactive substances called radiopharmaceuticals to treat medical conditions, particularly cancer. These are introduced into the body by various means (injection or ingestion are the two most commonplace) and localise to specific locations, organs or tissues depending on their properties and administration routes. This includes anything from a simple compound such as sodium iodide
Wikipedia · Text under CC-BY-SA licenseNuclear medicine - Wikipedia
- Diagnostic
In nuclear medicine imaging, radiopharmaceuticals are taken internally, for example, intravenously or orally. Then, external detectors (gamma cameras) capture and form images from the radiation emitted by the radiopharmaceuticals. This process is unlike a diagnostic X-ray, wh… - Hybrid scanning techniques
In some centers, the nuclear medicine scans can be superimposed, using software or hybrid cameras, on images from modalities such as CT or MRI to highlight the part of the body in which the radiopharmaceutical is concentrated. This practice is often referred to as image fusion or co …
- Diagnostic
Radionuclide - Simple English Wikipedia, the free encyclopedia
A radionuclide is a naturally or artificially produced radioactive isotope of an element. They are often referred to as radioactive isotopes or radioisotopes. Radionuclides produce ionizing …
Radioactive isotope | Description, Uses, & Examples | Britannica
A radioactive isotope, also known as a radioisotope, radionuclide, or radioactive nuclide, is any of several species of the same with different masses whose nuclei are unstable and dissipate …
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Radionuclide - Wikiwand
A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is a nuclide that has excess numbers of either neutrons or protons, giving it excess nuclear energy, and making it …
Radiopharmaceutical therapy in cancer: clinical advances and
Jul 29, 2020 · Radiopharmaceutical therapy (RPT) is emerging as a safe and effective targeted approach to treating many types of cancer. In RPT, radiation is systemically or locally …
Radioactivity | Definition, Types, Applications, & Facts …
5 days ago · radioactivity, property exhibited by certain types of matter of emitting energy and subatomic particles spontaneously. It is, in essence, an attribute of individual atomic nuclei.
List of radioactive nuclides by half-life - Wikipedia
115 rows · This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. Current methods …
First steps in the history of radioactivity . Discovery of spontaneous radioactivity. Separation of radioisotopes and elucidation of its properties. Demonstration of practical uses of the …
30.1: The Nucleus - Physics LibreTexts
An atom with an unstable nucleus, called a radionuclide, is characterized by excess energy available either for a newly created radiation particle within the nucleus or via internal conversion. During this process, the radionuclide is said …
Radionuclide - an overview | ScienceDirect Topics
Radionuclides are atoms with an unstable nucleus that can be naturally occurring or artificially produced in laboratories. They possess different decay types and half-lives, and their …
What are radionuclides? Uses and dangers - Nuclear energy
Oct 2, 2015 · A radioactive nuclide or radionuclide is an unstable nuclide and therefore degenerates by emitting ionizing radiation.
What Are Radionuclides? - iCliniq
Oct 25, 2023 · Radionuclides are the name for radioactive elements. A radionuclide is an atom with an unstable nucleus, which is a nucleus with the extra energy that may be transferred to …
Radiogenic nuclide - Wikipedia
A radiogenic nuclide is a nuclide that is produced by a process of radioactive decay. It may itself be radioactive (a radionuclide) or stable (a stable nuclide). Radiogenic nuclides (more …
Radionuclide - WikiMili, The Best Wikipedia Reader
Sep 18, 2024 · A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is a nuclide that has excess numbers of either neutrons or protons, giving it excess nuclear energy, and …
What is Radionuclide – Radioisotope – Definition - Radiation …
Dec 14, 2019 · These nuclides are known as radionuclides (radioactive nuclides) or radioisotopes (radioactive isotopes). These unstable isotopes decay through various radioactive decay …
Nuclide - Wikipedia
Nuclides (or nucleides, from nucleus, also known as nuclear species) are a class of atoms characterized by their number of protons, Z, their number of neutrons, N, and their nuclear …
Radionuclides in nuclear medicine: what they are and benefits
Oct 2, 2015 · Radionuclides, or radioisotopes, are atoms that have an unusual number of neutrons in their nucleus, making them unstable and radioactive. This instability manifests …
Extinct radionuclide - Wikipedia
An extinct radionuclide is a radionuclide that was formed by nucleosynthesis before the formation of the Solar System, about 4.6 billion years ago, but has since decayed to virtually zero …