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    • 1. 发明申请
    • SALIVA ASSAY METHOD AND DEVICE
    • SALIVA测定方法和装置
    • WO1995027205A1
    • 1995-10-12
    • PCT/US1995003809
    • 1995-03-29
    • EPITOPE, INC.THIEME, Thomas, R.CIMLER, B., MelinaKLIMKOW, Nanette, M.
    • EPITOPE, INC.
    • G01N33/52
    • G01N33/521A61B10/0051G01N33/5302G01N33/558Y10S435/805Y10S435/81
    • An improved method for determining the presence of an analyte in an oral fluid sample. In the method, a reaction mixture is produced containing at least a portion of the collected sample and a chromogenic substrate effective to produce a colored product upon reaction with amylase present in the sample. After a selected reaction time, the reaction medium is inspected to determine the level of colored product produced in the medium within the selected reaction time. Production of colored product above a preselected threshold level within the selected reaction time indicates that an effective volume of undiluted saliva sample has been collected sufficient to allow detection of the analyte. The invention also includes a device for use in the method.
    • 用于确定口腔液样品中分析物的存在的改进方法。 在该方法中,制备含有至少一部分收集的样品和显色底物的反应混合物,其有效地在与样品中存在的淀粉酶反应时产生着色产物。 在选择的反应时间后,检查反应介质以确定在所选反应时间内在培养基中产生的着色产物的水平。 在所选择的反应时间内生产高于预选阈值水平的有色产品表明已经收集足够量的未稀释唾液样品以有效检测分析物。 本发明还包括用于该方法的装置。
    • 10. 发明申请
    • AVIDIN-BIOTIN ASSISTED IMMUNOASSAY
    • AVIDIN-BIOTIN辅助免疫
    • WO1990008957A1
    • 1990-08-09
    • PCT/US1990000378
    • 1990-01-25
    • EPITOPE, INC.
    • EPITOPE, INC.THIEME, ThomasFERRO, AdolphFELLMAN, Jack, H.GAVOJDEA, Stefan
    • G01N33/543
    • B82Y5/00A61K47/6898G01N33/548G01N33/566G01N33/581
    • A method for detection for screening and diagnostic purposes of antibodies in a body fluid by means of an antibody-binding protein covalently bound to a porous matrix trapped within a transparent column. A test fluid containing antibody is contacted with the protein-bound matrix whereby the protein reacts with to immobilize any antibody present in the test fluid. A biotinylated antigen of interest is contacted with the immobilized antibody whereby the biotinylated antigen binds to the immobilized antibody. Avidin covalently linked to an enzyme is contacted with the immobilized biotinylated antigen-immobilized antibody-protein bound matrix complex whereby the enzyme-labelled avidin binds to the immobilized complex. This immobilized complex is contacted with a substrate solution wherein the enzyme linked to avidin catalyzes a reaction of the substrate and produces a detectable reaction product which correlates to the presence of the antibody to be detected.
    • 用于通过与截留在透明柱中的多孔基质共价结合的抗体结合蛋白在体液中筛选和诊断目的的方法。 含有抗体的测试液体与蛋白质结合的基质接触,由此蛋白质与固定测试流体中存在的任何抗体反应。 感兴趣的生物素化抗原与固定的抗体接触,由此生物素化的抗原与固定的抗体结合。 与酶共价连接的亲和素与固定化的生物素化抗原 - 固定的抗体 - 蛋白质结合的基质复合物接触,由此酶标记的抗生物素蛋白与固定的复合物结合。 将该固定化的复合物与底物溶液接触,其中与抗生物素蛋白连接的酶催化底物的反应并产生可检测的反应产物,其与待检测的抗体的存在相关。