# Nuclide record th-227 (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/th-227/>
  a schema:ChemicalSubstance ;
  nuclide:kind "isotope" ;
  schema:identifier "th-227" ;
  schema:name "Thorium-227"@en ;
  schema:alternateName "227Th"@en, "Th-227"@en ;
  schema:description "A radioactive metal that, once it decays, keeps generating more damaging radioactive particles inside the tumour for weeks. Because it lasts longer than most similar treatments, it can be attached to slow-moving carriers such as full-sized antibodies."@en ;
  schema:url <https://nuclide.cc/isotopes/th-227/> ;
  schema:dateModified "2026-09-22"^^xsd:date ;
  schema:citation <https://pmc.ncbi.nlm.nih.gov/articles/PMC9885765/>, <https://jnm.snmjournals.org/content/jnumed/early/2021/07/22/jnumed.120.261016.full.pdf>, <https://pmc.ncbi.nlm.nih.gov/articles/PMC9812962/> ;
  nuclide:status "phase-1" ;
  nuclide:tag "therapy", "alpha emitter", "antibody-compatible", "in vivo generator" ;
  nuclide:related <https://nuclide.cc/isotopes/ra-223/>, <https://nuclide.cc/technologies/targeted-alpha-therapy/>, <https://nuclide.cc/targets/her2/>, <https://nuclide.cc/targets/psma/> .