Measures of thyroid function among Belarusian children and adolescents exposed to iodine-131
from the accident at the Chernobyl nuclear plant.
During the Green Run, Air Force planes measured the deposits of iodine-131
on ground vegetation within a 200- by 40-mile plume that stretched from The Dalles to Spokane.
The thyroid's powerful ability to concentrate iodine is what causes trouble when you come into contact with radioactive iodine-131
The IAEA believes the current trace levels of iodine-131
that have been measured do not pose a public health risk and are not caused by the Fukushima Daiichi nuclear accident in Japan," dpa quoted the Vienna-based agency as saying.
It did not specify if the contamination was from iodine-131
or caesium-137, the official safety limits for which are 2,000 Bequerel per kilogramme and 500 Bequerel per kilogramme respectively.
And campaigners have demanded a probe by health chiefs on the eve of the 25th anniversary of the catastrophe Particles of highly radioactive iodine-131
- which can cause cancer as the body stores it in the thyroid gland in the neck - were scattered across Scotland by rain showers after the Soviet nuclear plant disaster.
The partial meltdown of Fukushima, in contrast, released only five isotopes measurable by the Seattle team: iodine-131
, iodine-132, tellurium-132, cesium-134 and cesium-137.
According to South Korean News Agency Yonhap, Korea Institute of Nuclear Safety (KINS) reported Minuscule traces of iodine-131
were found in the seven areas including Seoul with traces of cesium-134 and cesium-137 was detected in four areas.
The Food Safety Authority of Ireland said tests carried out by the national radiological institute had discovered trace levels of iodine-131
, a radioactive isotope, in three individual samples.
Elevated levels of iodine-131
, a radioactive substance that decays quickly, were another sign that radiation is leaking from the plant.
Exposure to radionuclides, such as iodine-131
and cesium-137, increases the incidence of cancer.
The Health Protection Agency said that trace levels of the radioactive chemical iodine-131
had been detected by measurements taken at a monitoring station in Oxfordshire.
In a test by plant operator Tokyo Electric Power Company (TEPCO) on Friday morning, radioactive iodine-131
in excess of 1,250.
Every week, he comes in for treatment of his thyroid cancer with iodine-131
isotopes produced by the reactor.
SAN DIEGO -- Patients with stage I thyroid cancer who have a negative first follow-up test performed within 1 year after iodine-131
ablation have a low risk of recurrence and do not require further thyroid stimulation tests, results from a single-center French study showed.