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    • 16. 发明申请
    • METHOD FOR DETECTING TARGET SUBSTANCE AND TARGET-SUBSTANCE DETECTION KIT
    • 检测目标物质和目标物质检测试剂盒的方法
    • WO2007114512A1
    • 2007-10-11
    • PCT/JP2007/057712
    • 2007-03-30
    • CANON KABUSHIKI KAISHAOGAWA, MikiMINAMI, MasatoIMAMURA, TakeshiIKEDA, TakashiNAKAHAMA, Kazumichi
    • OGAWA, MikiMINAMI, MasatoIMAMURA, TakeshiIKEDA, TakashiNAKAHAMA, Kazumichi
    • G01N27/72G01N33/543
    • G01N33/54373Y10S436/807
    • The present invention provides a method for detecting a target substance by detecting the presence or concentration of a target substance in a sample solution by bringing the sample solution into contact with a detecting element including a detecting part and a non-detecting part and detecting the presence or number of a magnetic label (magnetic marker) present in the vicinity of the surface of the detecting part and provides a target-substance detection kit. The surface potential ψ 1 of the magnetic label in the sample solution, the surface potential ψ 2 of the detecting part, and the surface potential ψ 3 of the non-detecting part satisfy any one of the following relationships i) to iv): i) ψ 1 ψ 3 > 0 and ψ 2 = 0, ii) ψ 1 ψ 2 3 = 0, iii) ψ 1 ψ 2 2 ψ 3 > 0, and |ψ 2 | > |ψ 3 |, and iv) ψ 1 ψ 2 2 ψ 3
    • 本发明提供了一种通过使样品溶液与包括检测部分和非检测部分的检测元件接触来检测样品溶液中目标物质的存在或浓度来检测目标物质的方法, 或存在于检测部件表面附近的磁性标签(磁性标记)的数量,并提供目标物质检测套件。 样品溶液中的磁性标签的表面电位ψ1 N 1,检测部分的表面电位ψ2 2和表面电位?3 的非检测部分满足以下关系中的任何一个:i)至iv):i)&lt; 1&gt;&lt; 3&lt; 3&gt; 0& SUB> = 0,ii)?1 <??>,iii iii?????SUB SUB SUB SUB SUB SUB SUB 0≤n≤2 2,&lt; 2&gt;&lt; 2&gt;&lt;&lt; 3 <0; 并且由磁性标签承载的目标物质由被检测部分承载的主要捕获体俘获,或者由被检测部分承载的主要捕获体捕获的目标物质被由磁性标签承载的二次捕获体俘获。