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 …
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 …
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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 …
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 …
What are radionuclides? Uses and dangers - Nuclear …
Oct 2, 2015 · A radioactive nuclide or radionuclide is an unstable nuclide and therefore degenerates by emitting ionizing radiation.
Radionuclide angiography - Wikipedia
Radionuclide angiography is an area of nuclear medicine which specialises in imaging to show the functionality of the right and left ventricles of the heart, thus allowing informed diagnostic intervention in heart failure.
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 …
Radionuclides in nuclear medicine: what they are and …
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 itself through the emission of subatomic particles and/or …
放射性核素 - 维基百科，自由的百科全书
放射性核種（英語： radionuclide 或 radioactive nuclide ），又稱作放射性同位素（英語： radioactive isotope ），是指原子核不穩定、具有放射性的核種。放射性核種會發生放射性衰 …
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 …
Radionuclide - wikidoc
A radionuclide is an atom with an unstable nucleus, which is a nucleus characterized by excess energy which is available to be imparted either to a newly-created radiation particle within the …
List of radioactive nuclides by half-life - Wikipedia
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 make it …
Radionuklid – Wikipedia
Jedes Radionuklid hat seine charakteristischen Zerfallseigenschaften wie Halbwertszeit, Zerfallsart(en) und Zerfallsenergie. Beim Zerfall entsteht meist Alpha-oder Betastrahlung …
Radionuclide - Wikiwand
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 …
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 …
Radionuclide generator - Wikipedia
A radionuclide generator is a device which provides a local supply of a short-lived radioactive substance from the decay of a longer-lived parent radionuclide. They are commonly used in …
Radioactivity | Definition, Types, Applications, & Facts | Britannica
Sep 24, 2024 · 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.
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 …