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    • 3. 发明授权
    • Test carrier for analysis of a sample liquid, method of using a test
carrier and process for making a test carrier layer
    • 用于分析样品液体的试验载体,使用试验载体的方法和制备试验载体层的方法
    • US5071746A
    • 1991-12-10
    • US337351
    • 1989-04-13
    • Hans-Erich WilkKarin MunterRolf Lerch
    • Hans-Erich WilkKarin MunterRolf Lerch
    • G01N31/22G01N33/543
    • G01N33/54366G01N33/54386
    • The present invention provides a test carrier for the analytical determination of a component of a sample liquid with the help of immunological reagents having a conjugate layer (2, 12), which contains a soluble conjugate of a first immunological binding partner with a labelling, a porous fixing layer (3, 13), which contains a second binding partner in carrier-fixed form binding specifically with the first binding partner, and an optical detection layer (8, 18), wherein the fixing layer (3, 13) is constructed in such a manner that the suction speed with which the liquid is transported in it is so high that the time needed for the spreading out of the liquid in the fixing layer is considerably shorter than the incubation time which is needed for the completion of the specific binding reaction between the first binding partner and the second binding partner and the optical detection layer (8, 18) is so fixed on the test carrier (1, 11) that, in a first position, it is not in contact with the fixing layer (3, 13) making possible a liquid exchange but can be brought into a second position in which a liquid exchange between the fixing layer (3, 13) and the optical detection layer (8, 18) can take place.The present invention also provides a process for the immunological analytical determination of a component of a sample liquid, as well as a process for the production of a fixing layer for a test carrier.
    • 本发明提供了一种用于借助具有共轭层(2,12)的免疫试剂来分析测定样品液体组分的测试载体,其包含具有标记的第一免疫结合配偶体的可溶性缀合物, 多孔固定层(3,13),其包含与第一结合对象特异性结合的载体固定形式的第二结合对象,以及光学检测层(8,18),其中构成固定层(3,13) 以这样一种方式使得液体在其中被输送的吸入速度非常高,使得定影层中的液体展开所需的时间比完成特定的时间所需的孵育时间短得多 第一结合对象和第二结合对象之间的结合反应和光学检测层(8,18)固定在测试载体(1,11)上,在第一位置,它不与 所述固定层(3,13)能够进行液体交换,但可以进入其中可以发生固定层(3,13)和光学检测层(8,18)之间的液体交换的第二位置。 本发明还提供了用于对样品液体的组分进行免疫分析测定的方法,以及用于制备测试载体的固定层的方法。
    • 5. 发明授权
    • Process and test carrier for the determination of an analyte
    • 用于测定分析物的工艺和测试载体
    • US5037736A
    • 1991-08-06
    • US122185
    • 1987-11-18
    • Helmut FreitagHans-Erich WilkAnselm Rothe
    • Helmut FreitagHans-Erich WilkAnselm Rothe
    • G01N33/52G01N33/543
    • G01N33/525G01N33/54386Y10S436/823
    • The present invention provides a process for the determination of an analyte in a body fluid, in which there are used two binding components capable of specifically binding with one another, one of the binding components being enzyme-labelled and not carrier-fixed and the other binding component being carrier-fixed. The process contains a step in which the binding components are incubated with one another so that binding reaction takes place. The amount of enzyme-labelled binding component not bound to the carrier-fixed binding component is a measure of the concentration of the analyte which is determined by allowing the labelling enzyme to act upon a substrate producing a detection signal. During the specific binding reaction, incubation is carried out simultaneously with a non-fixed substrate of the labelling enzyume which does not produce a detection signal and with a carrier-fixed substrate of the labelling enzyme which produces a detection signal, the substrate not producing a detection signal being so chosen with regard to the amount used and affinity to the labelling enzyme in relation to the amount of the substrate producing a detection signal and its affinity to the labelling enzyme and in relation to the total activity of the labelling enzyme that the enzyme-catalyzed reaction of the substrate producing a detection signal is delayed until the specific binding reaction between the binding components has substantially taken place.
    • 本发明提供了一种用于测定体液中分析物的方法,其中使用能够彼此特异性结合的两种结合成分,一种结合成分是酶标记的而不是载体固定的,另一种 绑定组件是载体固定的。 该方法包含将结合组分彼此温育以进行结合反应的步骤。 未结合载体固定结合组分的酶标记的结合成分的量是通过使标记酶作用于产生检测信号的底物而确定的分析物的浓度的量度。 在特异性结合反应期间,与不产生检测信号的标记酶的非固定底物和产生检测信号的标记酶的载体固定底物同时进行孵育,所述底物不产生 相对于产生检测信号的底物量及其对标记酶的亲和性以及与标记酶的总活性相关的所用量和对标记酶的亲和性,检测信号被选择为酶 产生检测信号的底物的催化反应被延迟直到基本上发生结合成分之间的特异性结合反应。
    • 8. 发明授权
    • Test carrier for analytical determination having a highly effective
fixing layer for flow-through bound/free separation
    • 用于分析确定的测试载体,具有高效的固定层,用于流动 - 通过边界/自由分离
    • US5232663A
    • 1993-08-03
    • US697566
    • 1991-05-09
    • Hans-Erich WilkErich SchneiderAndreas MarschallManfred Bleisteiner
    • Hans-Erich WilkErich SchneiderAndreas MarschallManfred Bleisteiner
    • G01N31/22G01N33/543
    • G01N33/54386Y10S436/805Y10S436/81
    • Test carrier for the analytical determination of a constituent of a sample fluid by a specific binding reaction between two binding partners having biological affinity. A plurality of test layers is so disposed that they are wetted successively by the fluid and form a fluid transport path, in which one of the test layers is a fixing layer (18) which is a porous carrier matrix. The first of the two binding partners is fixed to the latter. The fluid containing the second binding partner flows through the fixing layer (18), at right angles to its surface, on the test carrier (10).A largely complete binding reaction in an extraordinarily short time is achieved during the flow through the preferably very thin fixing layer (18) by the fact that a microporous plastics layer with a pore size P of at least 0.01 pm is used as the carrier matrix, and at the same time the size D of the second binding partner and the pore size P of the plastics layer are adjusted to one another so that the pore size P is at least twice and at most ten times as great as the size D of the second binding partner.
    • 用于通过具有生物亲和力的两个结合配偶体之间的特异性结合反应来分析测定样品液体成分的测试载体。 多个测试层被布置成使得它们被流体依次润湿并形成流体输送路径,其中一个测试层是作为多孔载体矩阵的固定层(18)。 两个具有约束力的合作伙伴中的第一个是固定的。 含有第二结合对象的流体在测试载体(10)上流过固定层(18),与其表面成直角。 在通过优选非常薄的固定层(18)的流动期间,通过使用具有至少0.01μm的孔径P的微孔塑料层作为载体矩阵的事实,在非常短的时间内实现了基本上完全的结合反应, 并且同时将第二结合配对物的尺寸D和塑料层的孔径P彼此调节,使得孔径P至少为D的尺寸的两倍和至多十倍 第二个约束力的伙伴。
    • 10. 发明授权
    • Process for determination of an analyte and reagent therefor
    • 用于测定分析物和试剂的方法
    • US5037764A
    • 1991-08-06
    • US73989
    • 1987-07-16
    • Hans-Erich WilkHelmut FreitagJosef BurgJohann Berger
    • Hans-Erich WilkHelmut FreitagJosef BurgJohann Berger
    • G01N33/58C12Q1/00G01N33/543G01N33/78
    • G01N33/78G01N33/54306
    • The present invention provides a process for the detection of an analyte, wherein a sample containing the analyte is incubated either with a labelled binding partner and the immobilized analyte or an immobilized analyte analogue or with the labelled analyte or analyte analogue and an immobilized binding partner, the binding partner displaying towards the immobilized or labelled analyte or analyte analogue a higher affinity than towards the free analyte, and the labelled binding partner or the labelled analyte or the labelled analyte analogue is present in insufficiency compared with the concentration of the analyte to be detected.The present invention also provides an agent for carrying out this process, wherein it contains either the immobilized analyte or an immobilized analyte analogue and a labelled binding partner or the labelled analyte or a labelled analyte analogue and an immobilized binding partner, as well as optionally an appropriate buffer system and further conventionally used adjuvants, the binding partner displaying towards the immobilized or labelled analyte or analyte analogue a higher affinity than towards the free analyte.
    • 本发明提供了一种用于检测分析物的方法,其中将含有分析物的样品与标记的结合配偶体和固定的分析物或固定的分析物类似物或标记的分析物或分析物类似物和固定的结合配偶体一起温育, 与被检测的分析物的浓度相比,向固定的或标记的分析物或分析物类似物的结合配体显示出比对于游离的分析物更高的亲合力,并且标记的结合配偶体或标记的分析物或标记的分析物类似物的存在不足 。 本发明还提供了用于进行该方法的试剂,其中其包含固定的分析物或固定的分析物类似物和标记的结合配偶体或标记的分析物或标记的分析物类似物和固定的结合配偶体,以及任选的 合适的缓冲系统和进一步常规使用的佐剂,向固定的或标记的分析物或分析物类似物的结合配偶体显示比对游离的分析物更高的亲和力。