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Iodine-131 (131 I, I-131) is an important radioisotope of iodine discovered by Glenn Seaborg and John Livingood in 1938 at the University of California, Berkeley. [3] It has a radioactive decay half-life of about eight days. It is associated with nuclear energy, medical diagnostic and treatment procedures, and natural gas production.
Iodine-124 can be made by numerous nuclear reactions via a cyclotron. The most common starting material used is 124 Te. Iodine-124 as the iodide salt can be used to directly image the thyroid using positron emission tomography (PET). [9] Iodine-124 can also be used as a PET radiotracer with a usefully longer half-life compared with fluorine-18 ...
131 I, with a half-life of 8 days, is a hazard from nuclear fallout because iodine concentrates in the thyroid gland. See also Radiation effects from Fukushima Daiichi nuclear disaster#Iodine-131 and Downwinders#Nevada. In common with 89 Sr, 131 I is used for the treatment of cancer.
Iodocholesterol, or 19-iodocholesterol, also as iodocholesterol (131 I) and NP-59, is a derivative of cholesterol with an iodine atom in the C19 position and a radiopharmaceutical.
Iodine: 131 I: 8.02 d: Reason for the use of potassium iodide tablets after nuclear accidents or nuclear bomb explosions. 2.2713%: Promethium: 147 Pm: 2.62 y: beta decays to very long lived Samarium-147 (half life>age of the universe); has seen some use in radioisotope thermoelectric generators: 1.0888%: Samarium: 149 Sm: Observationally stable
Contrast CT of a patient with brain metastases from breast cancer, before (left) and after (right) injection of iodinated contrast.. Iodinated contrast is a form of water-soluble, intravenous radiocontrast agent containing iodine, which enhances the visibility of vascular structures and organs during radiographic procedures.
Remove Soto from the equation, and the division’s $972.75 million outlay shrinks to $207.75 million, a smaller figure than that of the AL East, AL West and NL West. That points to a bigger story.
Iodine-123 (123 I) is a radioactive isotope of iodine used in nuclear medicine imaging, including single-photon emission computed tomography (SPECT) or SPECT/CT exams. The isotope's half-life is 13.2232 hours; [1] the decay by electron capture to tellurium-123 emits gamma radiation with a predominant energy of 159 keV (this is the gamma primarily used for imaging).