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    • 4. 发明申请
    • DEVICES AND METHODS FOR ANALYSIS OF NON-IONIC SOLUTES
    • 用于分析非离子溶液的装置和方法
    • WO0010007A9
    • 2000-07-06
    • PCT/US9918615
    • 1999-08-16
    • CALIFORNIA INST OF TECHNARNOLD FRANCES HMICHAELS ALAN SZHENG WEIGONG
    • ARNOLD FRANCES HMICHAELS ALAN SZHENG WEIGONG
    • G01N27/30G01N33/487A61B5/00
    • G01N27/3271
    • This invention relates to devices and methods for detecting and monitoring the concentration, level or amount of a target molecule in solution. More particularly, the invention is directed to sensors that evaluate changes in conductivity produced by the reaction of a target molecule with a sensor composition. The invention is particularly well suited for determining the concentration of carbohydrate compounds in solution, such as diol compounds, preferably biologically significant cis-diols such as various sugars including glucose. The invention also encompasses sensors for determining the total or relative amount of target molecule in a sample, particularly a biological sample such as blood, urine, or other biological fluids. A laminated sensor of the invention comprises a sensor composition applied to a metal electrode, such as an interdigitated gold electrode on a non-conductive support. The sensor composition and electrode are and preferably encapsulated by a bipolar membrane. In a preferred embodiment, the sensor composition is a blend of a boronic acid polymer and a non-ionogenic hydrogel matrix.
    • 本发明涉及用于检测和监测溶液中靶分子的浓度,水平或量的装置和方法。 更具体地说,本发明涉及评估由目标分子与传感器组合物反应产生的电导率变化的传感器。 本发明特别适用于测定溶液中碳水化合物的浓度,例如二醇化合物,优选生物学上重要的顺式二醇,如各种糖,包括葡萄糖。 本发明还包括用于测定样品中特别是生物样品如血液,尿液或其他生物液体中目标分子的总量或相对量的传感器。 本发明的层压传感器包括施加到金属电极上的传感器组合物,例如非导电支撑体上的叉指金电极。 传感器组合物和电极优选被双极膜封装。 在优选的实施方案中,传感器组合物是硼酸聚合物和非离子水凝胶基质的混合物。