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    • 7. 发明申请
    • DYE DESORPTION MOLECULAR INDICATOR
    • DYE分解分子指示剂
    • WO00003226A1
    • 2000-01-20
    • PCT/US1999/015486
    • 1999-07-09
    • G01J1/48G01N21/78G01N21/00G01N21/01G01N21/29G01N21/64G01N21/75
    • G01J1/48G01N21/78
    • A method of broad screen detection, competitive dye desorption from a solid adsorbent, is described for quantifying the presence of a molecule or target analyte in the vapor phase, in solution, or eluted from a solid. In the function of an analytical element for implementing the competitive dye desorption method of the invention, dye or dye-precursor molecules adsorbed on the surface of an adsorbent are caused to desorb through the adsorption of the target analyte on the adsorbent. The desorbed dye or precursor is made detectable through sequestering of a radiation detectable species in the device of the invention. Such detection may occur, e.g., through absorption or emission of radiation in regions of the spectrum extending from the ultra-violet through the visible and into the infra-red regions. In one aspect of the invention, these processes occur within a multi-layer analytical element, in which the functions of the device may be executed by different layers.
    • 描述了一种宽屏幕检测方法,从固体吸附剂的竞争性染料脱附,用于量化在气相,溶液中或从固体中洗脱出来的分子或目标分析物的存在。 在实施本发明的竞争性染料解吸方法的分析元件的功能中,吸附在吸附剂表面的染料或染料前体分子通过吸附剂上的目标分析物的吸附而脱附。 解吸的染料或前体可通过本发明的装置中的辐射可检测物质的隔离来检测。 这种检测可以例如通过在从紫外线到可见光区延伸到红外区域的光谱的区域中的辐射的吸收或发射而发生。 在本发明的一个方面中,这些过程发生在多层分析单元内,其中设备的功能可以由不同的层执行。