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    • 1. 发明授权
    • Method of fluoro immunoassay
    • 氟免疫测定法
    • US4294817A
    • 1981-10-13
    • US943314
    • 1978-09-18
    • Michael W. BurgettRichard A. Harte
    • Michael W. BurgettRichard A. Harte
    • G01N33/533G01N33/543G01N33/58G01N1/28G01N21/25G01N33/54
    • G01N33/543Y10S435/962
    • A new surface immunoassay method is performed with two test surfaces. The method is used where serum samples may contain both an antibody for which it is desirable to test, and also competing sera constituents which may be present in indeterminate amounts. In accordance with the method, two different test surfaces are contacted with the same serum sample, and preferably the same aliquot of the serum. The first surface is treated to bind a broad spectrum of serum components including both the component to be tested for and also the competing components. The second surface is designed to bind the competing components but no substantial amount of the serum component to be tested for. The immunoassay is conducted with a labeled antibody, and quantitative measurement of the immunoassay is obtained by detecting the quantitative difference in the amount of labeled antibody on the two surfaces which have been subjected to the same serum sample.The method has utility in detecting a wide variety of antibodies of both the immunoglobulin G and immunoglobulin M classes, including antibodies for rubella, treponema, herpes simplex virus, cytomegalovirus and toxoplasma.Preferably the two surfaces used in the test are mounted on a single sampler which is analyzed in the FIAX.RTM. Fluorometer.
    • 用两个测试表面进行新的表面免疫测定方法。 使用该方法,其中血清样品可以含有期望测试的抗体,并且还可以以不确定的量存在的竞争血清成分。 根据该方法,将两个不同的测试表面与相同的血清样品接触,优选与血清相同的等分试样接触。 处理第一表面以结合广谱的血清成分,包括要测试的成分和竞争成分。 第二表面被设计成结合竞争组分,但没有大量的待测试的血清组分。 用标记的抗体进行免疫测定,通过检测已经经过相同血清样品的两个表面上的标记抗体的量的定量差异来获得免疫测定的定量测量。 该方法可用于检测免疫球蛋白G和免疫球蛋白M类的各种抗体,包括风疹,螺旋体,单纯疱疹病毒,巨细胞病毒和弓形体的抗体。 优选地,在测试中使用的两个表面安装在单个采样器上,其在FIAX TM荧光计中进行分析。