Selenium Radioisotopes (definition)

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ψ	Selenium Radioisotopes

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Definition: Unstable isotopes of selenium that decay or disintegrate emitting radiation. Se atoms with atomic weights 70-73, 75, 79, 81, and 83-85 are radioactive selenium isotopes.

Se-70-73, 75, 79, 81, 83-85; /blood-csf-urine /metab permitted but not for tracer studies (

Other names Radioisotopes, Selenium

Substance	CAS Registry & name	Categories	Source
bis(N,N,N-trimethylamino)ethylselenide-Se iodide	74496-65-4	*Selenium Radioisotopes.	Int J Rad Appl Instrum [B] 1988;15(2):229
2-selenouracil	16724-03-1	Uracil/*analogs & derivatives Selenium Radioisotopes.	Int J Rad Appl Instrum (A) 1986;37(4):315
6-selenomethylcholesterol	146883-72-9	Organoselenium Compounds Cholesterol/analogs & derivatives Selenium Radioisotopes.	J Nucl Med Allied Sci 1984;28(3):221
23-seleno-25-homotaurocholic acid	75018-70-1	Taurocholic Acid/*analogs & derivatives Selenium Radioisotopes.	J Nucl Med 1982;23(2):126
selenonorcholesterol	63795-61-9 19-Norcholest-5(10)-en-3-ol, 6-((methylseleno-(75)Se)methyl) (3beta,6beta)	Cholesterol/*analogs & derivatives Selenium Radioisotopes.	Clin Nucl Med 3(2):71;1978; J Nuclear Med 17(3):212;1976; Kaku Igaku 16(2):183;1979; Radioisotopes 28(2):89;1979

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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