IODINE-131

 Dictionary entry overview: What does iodine-131 mean? 

• IODINE-131 (noun)
  The noun IODINE-131 has 1 sense:

1. heavy radioactive isotope of iodine with a half-life of 8 days; used in a sodium salt to diagnose thyroid disease and to treat goiter

  Familiarity information: IODINE-131 used as a noun is very rare.

 Dictionary entry details 

• IODINE-131 (noun)

Sense 1

Meaning:

Heavy radioactive isotope of iodine with a half-life of 8 days; used in a sodium salt to diagnose thyroid disease and to treat goiter

Classified under:

Nouns denoting substances

Hypernyms ("iodine-131" is a kind of...):

radioisotope (a radioactive isotope of an element; produced either naturally or artificially)

atomic number 53; I; iodin; iodine (a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks))

 Context examples 

MV-NIS also enhances the oncolytic activity of MV against radiosensitive tumor cells by additional destruction of the MV-infected cells when using iodine-131.

(Oncolytic Measles Virus Encoding Thyroidal Sodium Iodide Symporter, NCI Thesaurus)

The sulfate salt form of iobenguane, an iodine-131 labeled aralkylguanidine norepinephrine analogue used as a diagnostic imaging tracer.

(Iobenguane Sulfate I-131, NCI Thesaurus)

Iodine-131 primarily emits beta particles and has a half-life of 8 days.

(Iodinated I-131 Serum Albumin, NCI Thesaurus)

Upon intravenous injection, iodine-131 human serum albumin is slowly deiodinated in vivo, releasing radioactive iodide that is taken up by thyroid gland.

(Iodinated I-131 Serum Albumin, NCI Thesaurus)