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    • 8. 发明申请
    • WAVEGUIDE SENSOR
    • 波导传感器
    • WO1988010418A1
    • 1988-12-29
    • PCT/GB1988000471
    • 1988-06-17
    • ARES-SERONO RESEARCH & DEVELOPMENT LIMITED ...SAWYERS, Craig, George
    • ARES-SERONO RESEARCH & DEVELOPMENT LIMITED ...
    • G01N21/75
    • G01N21/7743G01N33/54373
    • This invention concerns assay techniques by which qualitative and/or quantitative detection of chemical, biochemical or biological species in a sample can be determined and also concerns sensors suitable for use in such techniques. In particular it relates to a method of assaying for a ligand in a sample which comprises a) incubating the sample in contact with the surface of an optical structure, said optical structure comprising a substrate with a first refractive index N1 and a surface layer with a second refractive index N2, said surface layer being such that, in use, a guided wave mode of resonant radiation may be propagated therein, and said surface layer having adsorbed thereon or bound thereto, either directly or indirectly, a specific binding partner for the ligand it is desired to detect; b) irradiating the optical structure at an angle or range of angles to the normal; c) analysing the reflected, transmitted and/or propagated radiation in order to determine whether, and if desired the extent to which and/or rate at which, the guided wave mode characteristics of the optical structure are altered by formation of a complex between the ligand and the specific binding partner.
    • 本发明涉及可以确定样品中化学,生物化学或生物物质的定性和/或定量检测的测定技术,并且还涉及适用于这种技术的传感器。 特别涉及一种测定样品中配体的方法,该方法包括:a)将样品与光学结构的表面接触孵育,所述光学结构包括具有第一折射率N1的基底和具有第一折射率的表面层 第二折射率N2,所述表面层使得在使用中可以在其中传播谐振辐射的导波模式,并且所述表面层直接或间接地吸附在其上或与其结合,用于配体的特异性结合配偶体 需要检测; b)以与正常的角度或角度范围照射光学结构; c)分析反射的,透射的和/或传播的辐射,以便确定以及如果需要,光学结构的导波模式特性的变化程度和/或速率通过在 配体和特异性结合配偶体。