# Nuclide record tc-99m (isotope). Data CC BY-NC 4.0, attribute "Data from Nuclide (nuclide.cc)". Whole corpus: https://nuclide.cc/api/v1/nuclide.nt
@prefix schema: <https://schema.org/> .
@prefix nuclide: <https://nuclide.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://nuclide.cc/isotopes/tc-99m/>
  a schema:ChemicalSubstance ;
  nuclide:kind "isotope" ;
  schema:identifier "tc-99m" ;
  schema:name "Technetium-99m"@en ;
  schema:alternateName "99mTc"@en, "Tc-99m"@en ;
  schema:description "The single most widely used medical radioisotope: a metastable metal with a six-hour lifetime, milked on demand from a bedside generator (a 'moly cow') and attached to a cold kit to image bone, heart, kidneys or lymph nodes."@en ;
  schema:url <https://nuclide.cc/isotopes/tc-99m/> ;
  schema:dateModified "2026-09-22"^^xsd:date ;
  schema:citation <http://www.lnhb.fr/nuclides/Tc-99m_tables.pdf>, <https://www.oecd-nea.org/upload/docs/application/pdf/2025-10/7743_medical_radioisotopes_supply_rev.pdf> ;
  nuclide:status "established" ;
  nuclide:tag "gamma emitter", "generator", "most widely used" ;
  nuclide:related <https://nuclide.cc/drugs/technetium-sulfur-colloid/>, <https://nuclide.cc/drugs/tilmanocept-tc99m/>, <https://nuclide.cc/isotopes/mo-99/> ;
  nuclide:technologies <https://nuclide.cc/technologies/spect/>, <https://nuclide.cc/technologies/spect-ct/>, <https://nuclide.cc/technologies/radionuclide-generators-kits/>, <https://nuclide.cc/technologies/research-reactor-isotope-production/>, <https://nuclide.cc/technologies/nuclear-medicine-hardware/> ;
  nuclide:companies <https://nuclide.cc/companies/curium/>, <https://nuclide.cc/companies/ge-healthcare/>, <https://nuclide.cc/companies/lantheus/>, <https://nuclide.cc/companies/cardinal-health/> .