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    • 3. 发明授权
    • Method for assay of antibodies and antibody assay device
    • 抗体测定方法和抗体测定装置
    • US07368277B2
    • 2008-05-06
    • US10386562
    • 2003-03-13
    • Tetsuya TachikawaAtsunari NodaKiyonori Katsuragi
    • Tetsuya TachikawaAtsunari NodaKiyonori Katsuragi
    • A63B69/18
    • G01N33/6857G01N33/5306G01N33/54393G01N33/558G01N33/56916G01N2333/245Y10S435/849Y10S435/948Y10S435/96Y10S435/962Y10S436/824
    • The invention relates to a technology by which antibodies directed to sources of infection in body fluids can be assayed with high accuracy, expediency and specificity. More particularly, the invention provides an antibody immunoassay method in which the antigen-antibody reaction between a target antibody in a sample and an assay antigen is conducted in the presence of an E. coli component and an antibody assay method which comprises using a reagent having a specific affinity for the Fc region of an antibody IgG as the antibody assay reagent. The invention further provides an antibody assay device comprising a solid-phase support having at least (a) a first region to which a sample is applied and (b) a second region where the antibody in the sample is reacted as disposed in such an arrangement that the sample is wicked from the first region to the second region and a labeling means for detection of the result of the reaction in the second region, characterized in that the (b) second region is provided with (i) a test site in which a ligand for capturing the target antibody to be assayed is immobilized and (ii) a control site in which a ligand for capturing an arbitrary antibody occurring in the sample is immobilized.
    • 本发明涉及可以高精度,便利和特异性地测定针对体液中感染源的抗体的技术。 更具体地,本发明提供一种抗体免疫测定方法,其中样品中的靶抗体与测定抗原之间的抗原 - 抗体反应在大肠杆菌成分和抗体测定方法的存在下进行,所述方法包括使用具有 对抗体IgG的Fc区的特异亲和力作为抗体测定试剂。 本发明进一步提供一种抗体测定装置,其包含至少具有(a)施加样品的第一区域的固相载体和(b)第二区域,其中样品中的抗体以这种布置方式设置 样品从第一区域恶化到第二区域,以及用于检测第二区域中的反应结果的标记装置,其特征在于,(b)第二区域设置有(i)测试位置,其中 固定用于捕获要测定的靶抗体的配体,(ii)固定用于捕获样品中发生的任意抗体的配体的对照位点。