A rapid polyethylene glycol assay for gastric intrinsic factor.
作者信息
Andersen K J
出版信息
Scand J Clin Lab Invest. 1979 Nov;39(7):685-8. doi: 10.3109/00365517909108875.
PMID:531491
Abstract
The use of polyethylene glycol (mol. wt 4000) in a rapid radioassay for intrinsic factor is reported. The assay is based on the observation that polyethylene glycol precipitates the intrinsic factor-vitamin B12 complex in the presence of serum from patients with pernicious anaemia having auto-antibodies against intrinsic factor. The assay was found highly reproducible (CV 1.8%) and well correlated to the classical method using coated charcoal in the separation step.
摘要
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