iodine I-131
A radioactive isotope of iodine with an atomic mass of 131, a half life of eight days, and potential antineoplastic activity. Selectively accumulating in the thyroid gland, iodine I 131 emits beta and gamma particles, thereby killing thyroid cells and decreasing thyroid hormone production.
| Synonym: | 131-iodine bound iodide I-131 iodide I-131 iodide, I-131 iodine 131 iodine-131 |
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| US brand name: | Iodotope |
| Foreign brand name: | Iodotrope |
| Abbreviation: | I 131 I-131 |