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    • 9. 发明申请
    • BIOSENSOR MEMBRANE COMPOSITION, BIOSENSOR, AND METHODS FOR MAKING SAME
    • 生物传感器膜组合物,生物传感器及其制备方法
    • WO2012019083A2
    • 2012-02-09
    • PCT/US2011/046714
    • 2011-08-05
    • MICROCHIPS, INC.ZHANG, Yanan
    • ZHANG, Yanan
    • C12Q1/54
    • G01N27/3335A61B5/14865B01D67/0088B01D69/144B01D71/54B01D71/70B01D2323/12B01D2323/16B01D2323/30B01D2325/36C12Q1/002C25B13/08G01N27/3271
    • Selectively permeable membranes for biosensors are provided. In one embodiment, the membrane includes a polymer mixture that includes a polyurethane component, a siloxane component, and a hydrogel component, the components in the mixture in amounts of about 60 to about 80 wt % polyurethane, about 10 to about 20 wt % siloxane, and about 10 to about 20 wt % hydrogel. The membrane has a surface restructured to be hydrophilic, with the restructured surface being crosslinked ed via reactive end groups on at least one of the polyurethane, the siloxane, and the hydrogel components. In another embodiment., the membrane includes a solvent cast film which includes a mixture of a first polyether-based thermoplastic polyurethane copolymer, a polyether-based polyurethane copolymer, and, optionally, a second polyether-based thermoplastic polyurethane copolymer.
    • 提供了用于生物传感器的选择性渗透膜。 在一个实施方案中,所述膜包含聚合物混合物,所述聚合物混合物包含聚氨酯组分,硅氧烷组分和水凝胶组分,所述混合物中组分的量为约60至约80重量%聚氨酯,约10至约20重量%硅氧烷 ,和约10至约20重量%的水凝胶。 膜具有重构为亲水性的表面,重构表面通过聚氨酯,硅氧烷和水凝胶组分中的至少一种上的反应性端基交联。 在另一个实施方案中,膜包括溶剂流延膜,其包括第一聚醚基热塑性聚氨酯共聚物,聚醚基聚氨酯共聚物和任选的第二聚醚基热塑性聚氨酯共聚物的混合物。