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    • 9. 发明授权
    • Method and device for specific binding assay
    • 用于特异性结合测定的方法和装置
    • US5723345A
    • 1998-03-03
    • US495028
    • 1995-06-27
    • Tadakazu YamauchiHideyuki Terasawa
    • Tadakazu YamauchiHideyuki Terasawa
    • G01N33/53G01N33/543G01N33/558G01N33/536
    • G01N33/53G01N33/543G01N33/558Y10S435/817Y10S436/805Y10S436/806
    • The present invention provides a general purpose specific binding assay method which has the advantages of highly accurate and quick measurements which exclude the effects of various factors that decrease reliability of the measured values, such as non-specific reactants in test samples, assay conditions and inactivation and the like changes in the activity of reagents. The present invention is further drawn to a specific binding assay device suitable for the practice thereof. The binding assay of the present invention is achieved by allowing a signal substance generator which takes part in a specific binding reaction and generates a signal substance, together with a liquid sample, to flow through a predetermined channel in a predetermined direction, thereby effecting generation of the specific binding reaction of a substance to be assayed to form a distribution of the signal substance generator in the channel in response to the concentration of the substance to be assayed, allowing the signal substance generator distributed in the channel to generate the signal substance, detecting the generated signal substance by a plurality of detection means arranged at different positions in the liquid flow direction, and arithmetically processing the plural detection results to minimize influence of other factors than the concentration of the substance to be assayed upon the assay result.
    • 本发明提供了一种通用特异性结合测定方法,其具有高精度和快速测量的优点,其排除了降低测量值的可靠性的各种因素的影响,例如测试样品中的非特异性反应物,测定条件和灭活 等等,试剂活性的变化。 本发明进一步涉及适用于其实践的特异性结合测定装置。 本发明的结合试验通过使参与特异性结合反应的信号物质发生器与液体样品一起产生信号物质,以预定方向流过预定通道,从而实现 要测定的物质的特异性结合反应,以响应待测物质的浓度,在通道中形成信号物质发生器的分布,允许分布在通道中的信号物质发生器产生信号物质,检测 所生成的信号物质由布置在液体流动方向的不同位置的多个检测装置进行运算,并对多个检测结果进行算术处理,以最大限度地减少除了待检测物质的浓度以外的其他因素对测定结果的影响。