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    • 7. 发明授权
    • Light scattering immunoassay involving particles with selective
frequency band apparatus
    • 涉及具有选择性频带装置的颗粒的光散射免疫测定
    • US4446239A
    • 1984-05-01
    • US368610
    • 1982-04-15
    • Yasuhiro TsujiKiyoshige Wakabayashi
    • Yasuhiro TsujiKiyoshige Wakabayashi
    • G01N21/49G01N15/14G01N21/47G01N33/543G01N33/54
    • G01N33/54313G01N21/47Y10S436/805Y10S436/807Y10S436/817
    • A technique for measuring the degree of an antigen-antibody reaction by preparing a suspension of insoluble microscopic carrier particles of at least one type carrying an antigen, an antibody or a hapten, forming an agglutination promoting or inhibiting reaction system among the insoluble carrier particles based on an antigen-antibody reaction using the suspension and one or more antigen, antibody or hapten, irradiating the solution of the reaction system with laser light and detecting the light scattered from the reaction system at one or more specific angles, detecting a signal indicative of one or more specific frequency bands from the resulting scatter spectrum, and thenceforth calculating the quantity of antigen, antibody or hapten in a specimen on the basis of the detected signal. The intensity spectrum output of filter 11 for frequency band selection is in the form of a square root and is converted into the original intensity spectrum by means of a squaring circuit 12. The output of the squaring circuit is recorded by a recorder 10.
    • 一种用于通过制备至少一种携带抗原,抗体或半抗原的不溶性微观载体颗粒的悬浮液来测量抗原 - 抗体反应程度的技术,其形成不溶性载体颗粒之间的凝集促进或抑制反应系统 在使用悬浮液和一种或多种抗原,抗体或半抗原的抗原 - 抗体反应上,用激光照射反应体系的溶液,并以一个或多个特定角度检测从反应体系散射的光,检测指示 来自所得散射光谱的一个或多个特定频带,然后基于检测到的信号计算样品中的抗原,抗体或半抗原的量。 用于频带选择的滤波器11的强度谱输出是平方根的形式,并通过平方电路12转换成原强度谱。平方电路的输出由记录器10记录。