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    • 1. 发明申请
    • METHOD FOR IMMUNOASSAY USING LATEX PARTICLES
    • 使用LATEX颗粒免疫的方法
    • US20110065213A1
    • 2011-03-17
    • US12879524
    • 2010-09-10
    • Noriyuki KASAGITomoko KuwabaraYuya Watanabe
    • Noriyuki KASAGITomoko KuwabaraYuya Watanabe
    • G01N33/543C08F20/06C08F12/08C08F4/30
    • G01N33/585G01N33/54313G01N33/54393
    • An object of the present invention is to provide latex particles with high production reproducibility, by which a sufficiently high value of signal ΔS (=value of signal−value of noise) can be realized in immunodiagnosis. The present invention provides a method for assay which comprises steps of (1) causing a substance to be detected to come into contact with or compete with binding substance-labeled fluorescent latex particles which are obtained by causing a binding substance to bind to fluorescent latex particles, and (2) measuring fluorescence from the binding substance-labeled fluorescent latex particles, wherein: (a) the fluorescent latex particles are obtained by adding a fluorescent substance to latex particles characterized in that the amount of COOH groups existing on the surfaces of the latex particles is from 40 μeq/g to 300 μeq/g, or (b) the fluorescent latex particles contain latex particles and a fluorescent substance, which are characterized in that the amount of COOH groups existing on the surfaces of the fluorescent latex particles is from 40 μeq/g to 300 μeq/g.
    • 本发明的目的是提供具有高生产重现性的胶乳颗粒,通过该乳胶颗粒可以在免疫诊断中实现足够高的信号值Dgr; S(=噪声信号值的值)。 本发明提供了一种测定方法,其包括以下步骤:(1)使被检测物质与通过使结合物质结合荧光胶乳颗粒获得的结合物质标记的荧光胶乳颗粒接触或竞争 ,和(2)测量来自结合物质标记的荧光胶乳颗粒的荧光,其中:(a)通过将荧光物质添加到胶乳颗粒中获得荧光胶乳颗粒,其特征在于存在于表面上的COOH基团的量 胶乳粒子为40μeq/ g〜300μeq/ g,或(b)荧光胶乳粒子含有胶乳粒子和荧光物质,其特征在于,存在于荧光胶乳粒子表面的COOH基团的量为 从40μeq/ g到300μeq/ g。
    • 3. 发明申请
    • METHOD FOR MEASURING SUBSTANCE TO BE MEASURED USING FLUORESCENT PARTICLES, TEST SUBSANCE MEASUREMENT CHIP, AND TEST SUBSANCE MEASUREMENT KIT
    • 使用荧光颗粒测量物质的方法,测试接口测量芯片和测试位置测量套件
    • US20130078738A1
    • 2013-03-28
    • US13614806
    • 2012-09-13
    • Yuya WATANABENoriyuki KASAGI
    • Yuya WATANABENoriyuki KASAGI
    • G01N21/64
    • G01N33/54366G01N33/54313G01N33/585
    • A method for measuring a test substance including (1) reacting fluorescent particles and a test substance by bringing the test substance and the fluorescent particles into contact with a test area and a control area present on a substrate, (2) removing the unreacted fluorescent particles, (3) measuring the fluorescence of the fluorescent particles of the test area and the control area, and (4) correcting a fluorescence signal value in the test area using a fluorescence signal value in the control area, wherein the fluorescent particles are binding substance-labeling fluorescent particles in which one or more of a first binding substance which can bind to the test substance, and a third binding substance which can bind to a second binding substance and which does not bind to the test substance are bound, and the second binding substance which can bind to the first binding substance is immobilized on the control area.
    • 一种测试物质的测量方法,包括:(1)通过使测试物质和荧光颗粒与存在于基底上的测试区域和控制区域接触使荧光颗粒和测试物质反应,(2)除去未反应的荧光颗粒 ,(3)测量测试区域和控制区域的荧光颗粒的荧光,以及(4)使用控制区域中的荧光信号值校正测试区域中的荧光信号值,其中荧光颗粒是结合物质 标记荧光颗粒,其中可以结合测试物质的一种或多种第一结合物质和可结合第二结合物质并且不结合测试物质的第三结合物质结合,第二种 可以结合第一结合物质的结合物质固定在对照区域上。
    • 5. 发明申请
    • METHOD FOR PRODUCING CONJUGATE OF THYROXINE AND ALBUMIN
    • 生产甲状腺素和阿尔伯霉素的方法
    • US20120046447A1
    • 2012-02-23
    • US13213585
    • 2011-08-19
    • Noriyuki KASAGITadahiro Matsuno
    • Noriyuki KASAGITadahiro Matsuno
    • C07K1/107C07K14/76
    • A61K47/643
    • It is an object of the present invention to provide a method for producing a conjugate of thyroxine and albumin with higher purity. The present invention provides a method for producing a conjugate of thyroxine and albumin which comprises: step (a) of converting a carboxyl group in thyroxine having a carboxyl group to be linked to albumin into an active ester and allowing the thyroxine to react with albumin, so as to prepare a conjugate of thyroxine and albumin; and step (b) of purifying the conjugate with the use of an acidic mixed aqueous solvent in which the thyroxine having a carboxyl group to be linked to albumin is dissolved but albumin is not precipitated.
    • 本发明的目的是提供一种制备高纯度甲状腺素和白蛋白缀合物的方法。 本发明提供了一种生产甲状腺素和白蛋白缀合物的方法,其包括:将具有与白蛋白连接的羧基的甲状腺素中的羧基转化成活性酯的步骤(a),并使甲状腺素与白蛋白反应, 以制备甲状腺素和白蛋白的缀合物; 和使用其中与白蛋白连接的具有羧基的甲状腺素溶解但不沉淀白蛋白的酸性混合水性溶剂来纯化缀合物的步骤(b)。