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Adaptation of the enzyme-multiplied immunoassay for methotrexate to the centrifugal analyzer.
[摘要] We adapted the homogeneous enzyme-multiplied immunoassay for methotrexate to the centrifugal analyzer. The sensitivity of the assay has been extended from 200 nmol/L down to 12.5 nmol/L. Several protocols may be followed, depending on whether the samples to be tested are from patients on low- or high-dose methotrexate regimens. Precision, accuracy, and sensitivity were satisfactory. Comparison with the enzymic-inhibition method (x) gave the following least-squares regression: y = 1.002 x - 0.013 mumol/L; r2 = 0.9721; Sy/x = 0.014 mumol/L.
[发布日期]  [发布机构] 
[效力级别]  [学科分类] 过敏症与临床免疫学
[关键词]  [时效性] 
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