Use of an immersible scintillation counter in the urinary vitamin B12 excretion test
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منابع مشابه
Use of an Immersible Scintillation Counter in the Urinary Vitamin B 12 Excretion Test.
The urinary excretion test for vitamin B12 absorption devised by Schilling, Clatanoff, and Korst (1955) and Callender and Evans, in the same year, is probably the most commonly used method in the assessment of this function of the gut, and particularly in the diagnosis of pernicious anaemia. The reproducibility of the results obtained in this manner and the convenience of the procedure compared...
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rfHE ANNOUNCE\-IENT of the discoveryof vitamin 1312 in 1948 byRickes, et a!.’ in this coumitry amid hi y Smith, et al.2 in Emiglamid imiitiat-e(! its use in various climiical entities. The principal use has been in the treatment of permiicious -anemia. The dosage of this drug has beemi more or less empirically established!. The hematologic amid subjective responses of the patient with permiicio...
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Evidence is presented that after injection of radioactive vitamin B(12) in man, there is a close correlation between the amount of radioactivity excreted and the amount of assayable vitamin B(12) excreted, and thus that the amount of radioactivity excreted is a true measure of the vitamin B(12) excreted. The possible reasons for this occurrence are discussed and it is suggested that in the body...
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BSORPTION of orally admiiimiistered ra(lioacti\’c vitamiiimu 13,, ca u h.’ lucasimm ed by t.IiPee niet.hods : fecal ex(retiomi,’ urituary (‘xclet.iolu following a ‘‘flushimig dose” of mion-radioact.ive vitamin Bm,’ ali(1 external miioiuit.orimug over the liver.3 The first iiiethod presemuts ra( tial tliffirtilt.ies ivhiclu limiiit its (liiiical usefulness, amid the third miiet.hod, although the...
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1. Twenty.one patients with liver diseases were studied for their urinary mehylmalonic acid excretion after a valine load by means of an improved thin layer chromatography. 2. Methylmalonic acid positive cases were found in four out of the ten patients with cirrhosis of the liver, all four with cirrhosis and diabetes mellitus, and none with acute hepatitis of icteric phase. No apparent correlat...
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ژورنال
عنوان ژورنال: Journal of Clinical Pathology
سال: 1965
ISSN: 0021-9746
DOI: 10.1136/jcp.18.2.250