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    • 5. 发明授权
    • Element for immunoassay
    • 免疫测定的要素
    • US4495151A
    • 1985-01-22
    • US394473
    • 1982-07-01
    • Kunio OhyamaNobuaki NakagawaSusumu Watanabe
    • Kunio OhyamaNobuaki NakagawaSusumu Watanabe
    • G01N33/543G01N33/54
    • G01N33/54366Y10S436/81
    • Apparatus for performing an immunoassay, comprises in combination a reaction tube closed at its bottom, and in the reaction tube a molded element having on its surface material having specific binding ability for a component in a liquid specimen to be assayed. The shape of the surface of the element adjacent the interior surface of the tube is the complement of the shape of the interior surface of the tube. A spacer rib is provided on the element, in contact with the interior surface of the tube. This rib holds the element in such position in the tube that the surfaces of complementary shape of the element and tube are shaped from each other a small but constant distance. A thin layer of constant thickness of a liquid specimen for immunoassay is thus receivable between the complementary surfaces. This arrangement increases the contact surface of the liquid medium in the reaction tube by the element, by establishing a homogeneous uniform layer of liquid medium. This avoids the need for stirring and shaking and reduces the required volume of the specimen to be assayed.
    • 用于进行免疫测定的装置包括在其底部封闭的反应管,反应管中的模制元件在其表面上具有对要测定的液体样品中的组分的特异性结合能力的材料。 邻近管内表面的元件表面的形状是管的内表面形状的互补。 间隔肋设置在元件上,与管的内表面接触。 该肋将元件保持在管中的这种位置,元件和管的互补形状的表面彼此成一个小但恒定的距离。 因此,可以在互补表面之间接收用于免疫测定的液体样本的恒定厚度的薄层。 这种布置通过构成均匀均匀的液体介质层,增加了反应管中液体介质的接触表面。 这避免了搅拌和摇动的需要,并且减少要测定的样品的所需体积。