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    • 1. 发明授权
    • Process for separating and measuring glycoprotein
    • 糖蛋白分离和测定方法
    • US5591589A
    • 1997-01-07
    • US340299
    • 1994-11-14
    • Hideo KatohKenji NakamuraShinji Satomura
    • Hideo KatohKenji NakamuraShinji Satomura
    • G01N33/574G01N33/68G01N33/53
    • G01N33/6803G01N33/57469G01N33/57476Y10S435/973Y10S436/827
    • The degree of a structure change of the sugar chain of a glycoprotein caused by a disease can be measured with high precision rapidly by separating and measuring two or more forms of glycoproteins which are different in sugar chain structure but have substantially the same protein structure, by using a combination of a lectin capable of recognizing the specific sugar chain structure of at least one of these glycoprotein analytes to be measured, and a first antibody which has a property of binding to all the glycoprotein analytes but is kept from binding to glycoprotein analyte(s) having the lectin attached thereto; and separating and measuring glycoprotein analyte(s) having the first antibody attached thereto and glycoprotein analyte(s) having no first antibody attached thereto, by utilizing differences in properties between the former glycoprotein analyte(s) and the latter glycoprotein analyte(s).
    • 由疾病引起的糖蛋白的糖链的结构变化程度可以通过分离和测定两种或多种形式的糖链结构不同但具有基本相同的蛋白质结构的糖蛋白,通过快速测定,由 使用能够识别待测量的这些糖蛋白分析物中的至少一种的特定糖链结构的凝集素的组合和具有结合所有糖蛋白分析物但不与糖蛋白分析物结合的性质的第一抗体( s)具有凝集素附着; 并且通过利用前一种糖蛋白分析物和后一种糖蛋白分析物之间的特性差异来分离和测量具有附着于其上的第一抗体的糖蛋白分析物和与其无关的第一抗体的糖蛋白分析物。
    • 5. 发明授权
    • Process for separating complex
    • 分离复合物的方法
    • US5571729A
    • 1996-11-05
    • US354264
    • 1994-12-12
    • Kenji NakamuraTaizo HaraHideo KatohShinji Satomura
    • Kenji NakamuraTaizo HaraHideo KatohShinji Satomura
    • G01N33/538G01N33/573
    • G01N33/538Y10S436/824
    • This invention is intended to provide a process by which a complex formed by the interaction between one or more analytes to be measured and affinity substance can be more effectively separated from substances existing together therewith which tend to affect the detection of the complex, for example, free affinity substance, by using high pressure liquid chromatography (HPLC); and a process for measuring a trace component by utilizing said separating process.This invention is characterized in that a substance which has been modified with a substance capable of changing properties of the complex (a separation-improving substance) and has affinity for the complex is attached to the complex. Because of this characteristic, the invention is effective in that the position of elution of said complex in the HPLC can be freely controlled. Furthermore, it is markedly effective in that the process for measuring a trace component by utilizing the separating process of this invention makes it possible to carry out the measurement with higher precision as compared with conventional measuring processes using HPLC.
    • 本发明旨在提供一种方法,通过该方法可以将待测量的一种或多种待分析物与亲和物质之间的相互作用形成的复合物与其中存在的物质更有效地分离,这些物质倾向于影响复合物的检测,例如, 游离亲和性物质,通过使用高压液相色谱(HPLC); 以及通过利用所述分离过程来测量痕量组分的方法。 本发明的特征在于,将具有能够改变复合物(分离改善物质)性质并对复合物具有亲和性的物质进行了改性的物质附着于该络合物。 由于该特征,本发明的效果在于可以自由地控制HPLC中所述络合物的洗脱位置。 此外,通过利用本发明的分离方法测量痕量组分的方法与使用HPLC的常规测量方法相比,可以更高精度地进行测量。