Beta- Emitters are currently limited to four beta emitters, yttrium-90 and iodine-131
which are used in treatment of non-Hodgkins lymphoma, samarium-153-EDTMP and strontium-89-chloride for palliation of bone metastases.
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In this research, nanocarriers made of gold nanorods with a coating of polyethylene glycol (PEG) were produced and labeled with iodine-131
isotope, and its tissue distribution in the body was investigated by the researchers.
2013) reported an association between iodine-131
The committee also said for the 12 workers who were estimated to have received absorbed doses to the thyroid from iodine-131
intake alone in the range of 2 to 12 gray, "an increased risk of developing thyroid cancer and other thyroid disorders can be inferred.
Iodine deficiency is a common cause of the condition, and iodine-131
present in nuclear fallout is a risk factor for hypothyroidism.
Over a seven-hour period, 7,780 curies of iodine-131
and 20,000 curies of xenon-133 were released.
Whereas the isotope iodine-131
has a half-life of around eight days -- in other words, after eight days half of a sample of iodine-131
will have transformed into the more stable xenon-131 -- cesium-134 and cesium-137 have half-lives of two years and 30 years, respectively.
, known as I-131, is a radioactive isotope commonly released after nuclear power plant disasters.
particles do not pose a public health risk, the International Atomic Energy Agency said.
Austria's Health Ministry and the Czech radiation protection agency said they had been detecting iodine-131
since the second half of October in the atmosphere, and that its calculations pointed to a source in south-eastern Europe.
According to NewScientist, in case of Chernobyl disaster about ten million children in the region around the plant were exposed to high levels of iodine-131
, and many received more than 100 times the maximum dose recorded in Japan.