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    • 5. 发明申请
    • Method For Detecting and/or Determining the Concentration of at Least One Ligand
    • 检测和/或确定最少一个配体浓度的方法
    • US20080138829A1
    • 2008-06-12
    • US11665169
    • 2005-10-12
    • Mirko LehmannIngo FreundHolger KlapprothSonja Mohry
    • Mirko LehmannIngo FreundHolger KlapprothSonja Mohry
    • G01N21/76G01N33/543G01N33/53
    • G01N33/54373
    • The invention relates to a method for detecting and/or determining the concentration of a ligand contained in a solution to be analyzed, during which a receptor, which can enter into a specific bond with the ligand, is immobilized on a semiconductor chip at a test location. In order to bind the ligand to the receptor, the solution is applied to the test location. A luminescence radiation or a color change is generated according to the binding of the ligand to the receptor. A radiation measurement signal is picked up with the aid of a radiation receiver integrated in the semiconductor chip, whereas the solution and/or an auxiliary liquid that does not contain the luminophore is in contact with the radiation receiver. While the generation of luminescence radiation is prevented and the radiation receiver is in contact with the auxiliary liquid and/or with a substitute liquid, a darkness measurement signal is measured for the radiation receiver. The radiation measurement signal is compensated for with the darkness measurement signal
    • 本发明涉及一种用于检测和/或确定待分析溶液中所含配体的浓度的方法,在该方法中,可以与配体进入特定键的受体在测试中固定在半导体芯片上 位置。 为了将配体结合到受体,将溶液施加到测试位置。 根据配体与受体的结合产生发光辐射或颜色变化。 借助于集成在半导体芯片中的辐射接收器拾取辐射测量信号,而不包含发光体的溶液和/或辅助液体与辐射接收器接触。 虽然防止了发光辐射的产生并且辐射接收器与辅助液体和/或替代液体接触,但是对辐射接收器测量了暗度测量信号。 用黑度测量信号补偿辐射测量信号
    • 7. 发明申请
    • Process and device for determining the concentrations of ligands
    • 用于测定配体浓度的方法和装置
    • US20070243637A1
    • 2007-10-18
    • US11784768
    • 2007-04-09
    • Sonja MohryHolger KlapprothMirko LehmannIngo Freund
    • Sonja MohryHolger KlapprothMirko LehmannIngo Freund
    • G01N33/543C12M3/00
    • G01N33/558G01N33/54306
    • In a process for determining the concentrations of ligands (9, 10) in a sample to be analyzed, ligands (9) of a first ligand type are bond-specific for receptors (6) of a first receptor type, and ligands (10) of a second ligand type are bond-specific for receptors (8) of a second receptor type. A first receptor (6) of the first receptor type is immobilized at least one first test site (5), and a second receptor (8) of the second receptor type is immobilized at a second test site (7) on a substrate (23). A third receptor (11) of the second receptor type is mixed with the sample in such a way that it is present in a specified concentration in the mixture that is obtained in this manner. The mixture is caused to contact the substrate in such a way that at least one ligand (9) of the first ligand type can bind to the first receptor (6) and ligands (10) of the second ligand type can bind to the second receptor (8) and to the third receptor (11). Thereupon components of the mixture that are not bound to an immobilized receptor (6, 8) are removed from the substrate. Thereupon a first measurement signal that is dependent on the concentration of the ligand (9) bound to the first receptor (6) and a second measurement signal that is dependent on the concentration of the ligand (10) bound to the second receptor (8) are generated. With the aid of the first measurement signal the concentration of the ligand (9) of the first ligand type in the sample is determined and, with the aid of the second measurement signal and of the concentration of the third receptor (11) in the mixture, the concentration of the ligands (10) of the second ligand type in the sample is determined.
    • 在用于测定待分析样品中配体(9,10)的浓度的方法中,第一配体类型的配体(9)对于第一受体类型的受体(6)是键特异性的,而配体(10) 第二种配体类型是第二受体类型的受体(8)的键特异性。 将第一受体类型的第一受体(6)固定在至少一个第一测试位点(5)上,并且将第二受体类型的第二受体(8)固定在基底(23)上的第二测试位点(7) )。 将第二受体类型的第三受体(11)与样品混合,使得其以以这种方式获得的混合物中以特定浓度存在。 使混合物以这样的方式接触底物,使得第一配体型的至少一种配体(9)可以结合第一受体(6),并且第二配体型的配体(10)可以结合第二受体 (8)和第三受体(11)。 因此,从底物中除去不与固定化受体(6,8)结合的混合物的组分。 因此,依赖于与第一受体(6)结合的配体(9)的浓度的第一测量信号和取决于与第二受体(8)结合的配体(10)的浓度的第二测量信号, 被生成。 借助于第一测量信号,测定样品中第一配体类型的配体(9)的浓度,借助于第二测量信号和混合物中第三受体(11)的浓度 测定样品中第二配体类型的配体(10)的浓度。