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    • 1. 发明申请
    • All Polymer Optical Waveguide Sensor
    • 所有聚合物光波导传感器
    • US20080219616A1
    • 2008-09-11
    • US12089939
    • 2006-10-10
    • Reinhold Wimberger-FriedlGert T HooftChristiane De Witz
    • Reinhold Wimberger-FriedlGert T HooftChristiane De Witz
    • G02B6/00
    • G01N21/7703G01N21/648
    • The present invention is directed to an evanescent field induced optical sensor of a transparent polymer substrate coated with a thin transparent polymer waveguide for use as biosensor for detecting biological molecules, wherein the transparent polymer waveguide has a thickness of ≧0.10 μm and ≦0.50 μm and a refractive index nD of 1.39 to 1.79, said transparent polymer waveguide has a coupling grating recess structure for enhancing the coupling of the light wave into said transparent polymer waveguide, the lower surface of said transparent polymer waveguide contacts the transparent polymer substrate, said transparent polymer substrate has a refractive index n of 1.29 to 1.69, wherein the material of said transparent polymer waveguide and said transparent poly-mer substrate is selected such that the difference of the refractive index ΔnD of said transparent polymer waveguide and said transparent polymer substrate is at least Δ n 0.1, the outer upper surface of said polymer waveguide possess specific binding compounds to detect at least one specific chemical and/or biochemical substance or the outer upper surface of said polymer waveguide is covered with a thin noble metal layer.
    • 本发明涉及涂覆有用作检测生物分子的生物传感器的薄透明聚合物波导的透明聚合物基质的消逝场感应光学传感器,其中透明聚合物波导的厚度>0.10μm和<= 0.50 所述透明聚合物波导具有用于增强所述光波耦合到所述透明聚合物波导中的耦合光栅凹槽结构,所述透明聚合物的下表面 波导与透明聚合物基板接触,所述透明聚合物基材的折射率n为1.29至1.69,其中所述透明聚合物波导和所述透明聚合物基板的材料选择为使得折射率差异Deltan < 所述透明聚合物波导和所述透明聚合物基底的D i至少为Δn0.1,外部上部sur 所述聚合物波导的表面具有特异性结合化合物以检测至少一种特定化学和/或生物化学物质,或者所述聚合物波导的外部上表面被薄的贵金属层覆盖。
    • 2. 发明授权
    • All polymer optical waveguide sensor
    • 所有聚合物光波导传感器
    • US07558446B2
    • 2009-07-07
    • US12089939
    • 2006-10-10
    • Reinhold Wimberger-FriedlGert 'T HooftChristiane De Witz
    • Reinhold Wimberger-FriedlGert 'T HooftChristiane De Witz
    • G02B6/00
    • G01N21/7703G01N21/648
    • The present invention is directed to an evanescent field induced optical sensor of a transparent polymer substrate coated with a thin transparent polymer waveguide for use as biosensor for detecting biological molecules, wherein the transparent polymer waveguide has a thickness of ≧0.10 μm and ≦0.50 μm and a refractive index nD of 1.39 to 1.79, said transparent polymer waveguide has a coupling grating recess structure for enhancing the coupling of the light wave into said transparent polymer waveguide, the lower surface of said transparent polymer waveguide contacts the transparent polymer substrate, said transparent polymer substrate has a refractive index n of 1.29 to 1.69, wherein the material of said transparent polymer waveguide and said transparent polymer substrate is selected such that the difference of the refractive index ΔnD of said transparent polymer waveguide and said transparent polymer substrate is at least Δ n 0.1, the outer upper surface of said polymer waveguide possess specific binding compounds to detect at least one specific chemical and/or biochemical substance or the outer upper surface of said polymer waveguide is covered with a thin noble metal layer.
    • 本发明涉及涂覆有用作检测生物分子的生物传感器的薄透明聚合物波导的透明聚合物基质的消逝场感应光学传感器,其中透明聚合物波导的厚度>0.10μm和<= 0.50 所述透明聚合物波导具有用于增强所述光波与所述透明聚合物波导耦合的耦合光栅凹槽结构,所述透明聚合物波导的下表面与透明聚合物基底接触,所述透明聚合物波导 透明聚合物基材的折射率n为1.29〜1.69,其中所述透明聚合物波导和所述透明聚合物基材的材料选择为使得所述透明聚合物波导和所述透明聚合物基材的折射率DeltanD的差异至少为 Δn0.1,所述聚合物的外部上表面 veguide具有特异性结合化合物以检测至少一种特定化学和/或生物化学物质,或者所述聚合物波导的外部上表面被薄的贵金属层覆盖。
    • 3. 发明申请
    • Microfluidic Device with Porous Membrane and an Unbranched Channel
    • 具有多孔膜和非支化通道的微流控器件
    • US20080257071A1
    • 2008-10-23
    • US12094849
    • 2006-11-16
    • Reinhold Wimberger-FriedlChristiane De Witz
    • Reinhold Wimberger-FriedlChristiane De Witz
    • G01N1/00
    • B01L3/5027B01D2313/086B01L3/502753B01L2300/0636B01L2300/0681B01L2300/0861B01L2300/0887
    • The invention relates to a microfluidic device for detection of a substance in a sample fluid, and to a cartridge for performing a biological assay, containing such a device. The microfluidic device comprises two housing parts (52, 54) with a porous membrane (50) there between. Each housing part has recesses, or channel parts, (56-1, 56-2, 56-n, 58-1, 58-2, 58-n) that are connected via a recess of the opposite housing part, and through the membrane (50), such that an unbranched channel is defined for the sample fluid. At one or more of the positions where the channel crosses the membrane (50), a spot (48-1, 48-2, 48-n) with an immobilized indicator substance is present, to which a target substance in the sample fluid may bind. An advantage of the present device is that in principle all of the sample fluid passes each spot. Hence there is no need to recirculate and/or mix the sample fluid, as is the case in devices with parallel flow-through paths for the fluid. The device will therefore be simpler, and give a more reliable detection result.
    • 本发明涉及用于检测样品流体中的物质的微流体装置和用于进行包含这种装置的生物测定的盒。 微流体装置包括两个在其间具有多孔膜(50)的壳体部分(52,54)。 每个壳体部分具有经由相对的壳体部分的凹部连接的凹部或通道部分(56-1,56-2,66-n,58-1,58-2,58-n),并且通过 膜(50),使得为样品流体定义未分支的通道。 在通道穿过膜(50)的一个或多个位置处,存在具有固定的指示物质的斑点(48-1,48-2,48-n),样品流体中的目标物质可以 绑定 本装置的优点在于,原则上所有样品流体都通过每个点。 因此,不需要再循环和/或混合样品流体,如同用于流体的平行流通路径的装置的情况。 因此,该装置将更简单,并且给出更可靠的检测结果。