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    • 4. 发明授权
    • Multilayer test strip device with a dissolvable reagent layer
    • 具有可溶解试剂层的多层试片装置
    • US4876067A
    • 1989-10-24
    • US89352
    • 1987-08-25
    • Ulfert DenekeRolf NagelAnselm RotheHelmut Freitag
    • Ulfert DenekeRolf NagelAnselm RotheHelmut Freitag
    • C12M1/34C12Q1/40G01N31/22G01N33/52
    • G01N33/525Y10S435/805
    • The present invention provides a multi-layer test carrier (1) for the analytical determination of a component in a liquid sample, especially in a body fluid, having a first carrier layer (2) and a second carrier layer (10), at least one of which is transparent, a liquid-absorbing layer (3) being applied to the first carrier layer (2) and a reagent layer (11) containing at least one reagent being applied to the second carrier layer (10), the carrier layers being so arranged and fixed that the surfaces (3a, 11a) of the absorbing layer and of the reagent layer facing away from the carrier layer can be brought into contact with one another and can be pressed against one another, wherein the reagent layer (11) is soluble substantially without residue in the sample liquid and the take-up ability of the liquid-absorbing layer (3) for the sample liquid is so great that an amount of liquid absorbed therein suffices in order to dissolve the reagent layer free of residues so that substances contained in the reagent layer (11) pass over from the reagent layer (11) into the liquid-absorbing layer (3) when the two layers are pressed against one another.
    • 本发明提供了一种多层测试载体(1),用于分析确定具有第一载体层(2)和第二载体层(10)的液体样品中特别是体液中的组分,至少 其中一个是透明的,液体吸收层(3)被施加到第一载体层(2)和试剂层(11),其中至少一个试剂被施加到第二载体层(10),载体层 使得吸收层的表面(3a,11a)和试剂层背离载体层的表面(3a,11a)彼此接触并且可以彼此压靠,其中试剂层(11 )在样品液体中基本上无残留地溶解,并且用于样品液体的液体吸收层(3)的吸收能力如此之大,使得其中吸收的液体量足以溶解没有残留物的试剂层 使物质含量 当所述两层被相互压靠时,所述试剂层(11)从所述试剂层(11)流入所述液体吸收层(3)。
    • 5. 发明授权
    • Reagent and process for the determination of the activity of the enzyme
gamma-glutamyl transferase
    • 用于测定γ-谷氨酰转移酶酶活性的试剂和方法
    • US4603107A
    • 1986-07-29
    • US532907
    • 1983-09-16
    • Ulfert DenekeRolf NagelWalter Rittersdorf
    • Ulfert DenekeRolf NagelWalter Rittersdorf
    • G01N33/50C12Q1/28C12Q1/48C12Q1/00C12Q1/36
    • C12Q1/48Y10S435/805Y10S435/81
    • The present invention provides a process for the kinetic determination of .gamma.-glutamyl transferase activity by the reaction of a .gamma.-glutamylarylamide with the formation of an arylamine at a pH value of from 6 to 10, wherein the arylamine is simultaneously reacted with an aromatic amine or phenol appropriate as a coupling component and an appropriate oxidation agent to give a colored compound with an absorption maximum above 565 nm, the rate of formation of which is monitored photometrically and is used as a measure for the .gamma.-glutamyl transferase activity.The present invention also provides a reagent for the kinetic determination of .gamma.-GT activity, wherein it contains the following reagents:.gamma.-GT-arylamide:1-100 mmol/l..gamma.-glutamyl acceptor (glycylglycine):10-500 mmol/l.coupling component:1-500 mmol/l.oxidation agent:0.1-500 mmol/l.buffer:10-1000 mmol/l.
    • 本发明提供了一种通过γ-谷氨酰基芳基酰胺与pH6至10的芳胺形成反应来动态测定γ-谷氨酰转移酶活性的方法,其中芳胺与芳族胺同时反应 或苯酚作为偶联组分和适当的氧化剂,得到最大吸收峰值高于565nm的着色化合物,其形成速率通过光度法监测并用作γ-谷氨酰转移酶活性的量度。 本发明还提供用于γ-GT活性的动力学测定的试剂,其中它含有以下试剂:γ-GT-芳基酰胺:1-100mmol / l。 γ-谷氨酰受体(甘氨酰甘氨酸):10-500mmol / l。 偶联组分:1-500 mmol / l。 氧化剂:0.1-500mmol / l。 缓冲液:10-1000mmol / l。
    • 9. 发明申请
    • STABILIZED CHOLINESTERASE SUBSTRATE SOLUTION
    • 稳定的胆碱酯底物溶液
    • US20070178546A1
    • 2007-08-02
    • US11566788
    • 2006-12-05
    • Friederike WeberNorbert GottschalkHans-Joachim KytziaMatthias MueckeRolf Nagel
    • Friederike WeberNorbert GottschalkHans-Joachim KytziaMatthias MueckeRolf Nagel
    • C12Q1/34
    • C12Q1/46
    • The present invention relates to the use of a polar organic solvent for the stabilization of a cholinesterase substrate solution, wherein at least one substrate is stabilized by at least one species of a polar organic solvent in a buffered solution, and to the use of said solution for determining the activity of cholinesterase in a sample. Also within the scope of the present invention is a stabilized cholinesterase substrate solution for determining the activity of a cholinesterase in a sample, wherein at least one substrate is stabilized by at least one species of a polar organic solvent. Furthermore, the invention relates to a method for determining the activity of a cholinesterase in a sample, as well as a kit for determining the activity of a cholinesterase in a sample and a kit for conducting a method for determining the activity of a cholinesterase in a sample.
    • 本发明涉及极性有机溶剂用于稳定胆碱酯酶底物溶液的用途,其中至少一种底物由缓冲溶液中的至少一种极性有机溶剂稳定,并且使用所述溶液 用于确定样品中胆碱酯酶的活性。 在本发明的范围内也是用于测定样品中胆碱酯酶活性的稳定化胆碱酯酶底物溶液,其中至少一种底物由至少一种极性有机溶剂稳定。 此外,本发明涉及一种用于测定样品中胆碱酯酶的活性的方法,以及用于测定样品中胆碱酯酶的活性的试剂盒和用于进行确定胆碱酯酶活性的方法的试剂盒 样品。