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    • 50. 发明公开
    • Microparticle enhanced light scattering assay and microparticle reagents therefor
    • 微粒增强的光散射测定法及其微粒子试剂
    • EP0898169A2
    • 1999-02-24
    • EP98114621.0
    • 1998-08-04
    • F. HOFFMANN-LA ROCHE AG
    • Eda, ShinichiKaufmann, Jörg HeinrichPohl, Stefan
    • G01N33/543C12Q1/68G01N33/577G01N33/563
    • G01N33/54346
    • The invention relates to a new microparticle enhanced light scattering agglutination assay for determining the amount of an analyte, and a microparticle reagent for performing that assay.
      The invention proposes:

      a microparticle enhanced light scattering agglutination assay for determining the amount of an analyte which comprises using a mixture of particles of strong light scattering properties carrying at least one binding partner of high reactivity for the analyte and particles of weak light scattering properties carrying at least one binding partner of low reactivity for the analyte, and
      a microparticle reagent for a microparticle enhanced light scattering immunoassay for determining the amount of an analyte, which comprises a mixture of microparticles of 30 to 600 nm in diameter, including particles of strong light scattering properties carrying at least one binding partner of high reactivity partner for the analyte and particles of weak light scattering properties carrying at least one binding partner of low reactivity for the analyte.
    • 本发明涉及用于确定分析物的量的新微粒增强光散射凝集测定法和用于执行该测定法的微粒试剂。 本发明提出:用于确定分析物的量的微粒增强的光散射凝集测定法,其包括使用强光散射性质的粒子混合物,其携带对分析物具有高反应性的至少一种结合伴侣和携带弱光散射性质的粒子 至少一种对分析物具有低反应性的结合配偶体,以及用于微粒增强的光散射免疫测定的微粒试剂,用于测定分析物的量,所述分析物包含直径为30至600nm的微粒混合物,包括强光颗粒 其携带分析物的高反应性伙伴的至少一个结合配偶体和携带对分析物具有低反应性的至少一个结合配偶体的弱光散射性质的颗粒。