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- Technetium-99m abstract "Technetium-99m is a metastable nuclear isomer of technetium-99, symbolized as 99mTc, that is used in tens of millions of medical diagnostic procedures annually, making it the most commonly used medical radioisotope.Technetium-99m when used as a radioactive tracer can be detected in the body by medical equipment (gamma cameras). It is well suited to the role because it emits readily detectable 140 keV gamma rays (these 8.8pm photons are about the same wavelength as emitted by conventional X-ray diagnostic equipment) and its half-life for gamma emission is 6.0058 hours (meaning 93.7% of it decays to 99Tc in 24 hours). The "short" physical half-life of the isotope and its biological half-life of 1 day (in terms of human activity and metabolism) allows for scanning procedures which collect data rapidly but keep total patient radiation exposure low. The same characteristics make the isotope suitable only for diagnostic but never therapeutic use.Technetium-99m was discovered in 1937 as a product of cyclotron bombardment of molybdenum. This procedure produced molybdenum-99, a radionuclide with a longer half-life (2.75 days), which decays to Tc-99m. At present, molybdenum-99 (Mo-99) is used commercially as the easily transportable source of medically used Tc-99m. In turn, this Mo-99 is usually created commercially by fission of highly enriched uranium in aging research and material testing nuclear reactors in several countries.".
- Technetium-99m thumbnail First_technetium-99m_generator_-_1958.jpg?width=300.
- Technetium-99m wikiPageExternalLink Special+Section+01+Hansell.pdf.
- Technetium-99m wikiPageExternalLink catalog.php?record_id=12569.
- Technetium-99m wikiPageID "9097185".
- Technetium-99m wikiPageRevisionID "605327063".
- Technetium-99m after Technetium-99.
- Technetium-99m background "#EEE".
- Technetium-99m before Isotopes_of_molybdenum.
- Technetium-99m bindingEnergy "8613.603".
- Technetium-99m decayEnergy "1.4".
- Technetium-99m decayEnergy "98.6".
- Technetium-99m decayIntensity "12.13".
- Technetium-99m decayIntensity "87.87".
- Technetium-99m decayMass "99".
- Technetium-99m decayMode Internal_conversion.
- Technetium-99m decayMode Nuclear_isomer.
- Technetium-99m decayMode "(γ emission 87.87%)".
- Technetium-99m decayMode "K-shell".
- Technetium-99m decayMode "L-shell".
- Technetium-99m decayMode "M-shell".
- Technetium-99m decayProduct "Technetium-99".
- Technetium-99m decaySymbol "Tc".
- Technetium-99m element "technetium".
- Technetium-99m excessEnergy "-87327.195".
- Technetium-99m halflife "21620.88".
- Technetium-99m hasPhotoCollection Technetium-99m.
- Technetium-99m heavier Isotopes_of_technetium.
- Technetium-99m imageCaption "-5940.0".
- Technetium-99m imageCaption "being eluted from Mo-99 molybdate".
- Technetium-99m imageCaption "bound to a chromatographic substrate".
- Technetium-99m lighter Technetium-99.
- Technetium-99m mass "98.9063".
- Technetium-99m massNumber "99".
- Technetium-99m numNeutrons "56".
- Technetium-99m numProtons "43".
- Technetium-99m parent "Molybdenum-99".
- Technetium-99m parentDecay "237513.6".
- Technetium-99m parentMass "99".
- Technetium-99m parentSymbol "Mo".
- Technetium-99m spin "1".
- Technetium-99m symbol "Tc".
- Technetium-99m subject Category:Isotopes_of_technetium.
- Technetium-99m subject Category:Medical_physics.
- Technetium-99m subject Category:Metastable_isotopes.
- Technetium-99m subject Category:Radiobiology.
- Technetium-99m subject Category:Radiochemistry.
- Technetium-99m subject Category:Radiopharmaceuticals.
- Technetium-99m comment "Technetium-99m is a metastable nuclear isomer of technetium-99, symbolized as 99mTc, that is used in tens of millions of medical diagnostic procedures annually, making it the most commonly used medical radioisotope.Technetium-99m when used as a radioactive tracer can be detected in the body by medical equipment (gamma cameras).".
- Technetium-99m label "Technetium-99m".
- Technetium-99m label "Technetium-99m".
- Technetium-99m label "Technétium 99m".
- Technetium-99m sameAs Technétium_99m.
- Technetium-99m sameAs Technetium-99m.
- Technetium-99m sameAs m.027xkmq.
- Technetium-99m sameAs Q2373354.
- Technetium-99m sameAs Q2373354.
- Technetium-99m wasDerivedFrom Technetium-99m?oldid=605327063.
- Technetium-99m depiction First_technetium-99m_generator_-_1958.jpg.
- Technetium-99m isPrimaryTopicOf Technetium-99m.