Cuvette for the photo determination of chemical components in fluids
    1.
    发明授权
    Cuvette for the photo determination of chemical components in fluids 失效
    用于测定流体中化学成分的比色杯

    公开(公告)号:US4582684A

    公开(公告)日:1986-04-15

    申请号:US531439

    申请日:1983-09-12

    IPC分类号: G01N21/03 G01N31/22 G01N33/52

    摘要: A cuvette for the determination of a chemical component of a fluid by photo evaluation has two planar-shaped parts parallel to one another at least one of which is transparent in the spectral range used for the evaluation. A planar distance piece of a filamentary reticulation for receiving the fluid therein spaces the planar-shaped parts apart to set the length of the light path through the cuvette for the photo evaluation.

    摘要翻译: 用于通过光学评估测定流体的化学成分的比色皿具有彼此平行的两个平面形部分,其中至少一个在用于评估的光谱范围中是透明的。 用于接收流体的丝状网状物的平面距离片将平面形部分分开,以将通过比色杯的光路的长度设定为照相评估。

    Naphthol derivatives, processes for their production and their use
    3.
    发明授权
    Naphthol derivatives, processes for their production and their use 失效
    NAPHTHOL衍生物,其生产工艺及其使用

    公开(公告)号:US5194389A

    公开(公告)日:1993-03-16

    申请号:US698447

    申请日:1991-05-10

    摘要: The subject matter of the present invention are naphthol derivatives having the general formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3 are the same or different and each represents hydrogen, an alkyl or alkoxy group, in which at least one of the residues is a (C.sub.8 -C.sub.30)-alkyl or alkoxy residueR.sup.4 is hydrogen or an alkyl groupR.sup.5 is a nitro group, an alkyl group substituted by halogen, a cyano group, a sulfonamide group or an alkylsulfonyl groupX is nitrogen or the residue CR.sup.6 andY is sulphur or the residue CR.sup.7 =CR.sup.8in which R.sup.6, R.sup.7, R.sup.8 are the same or different and each denotes hydrogen, halogen, a nitro group, a cyano group, an alkyl or an alkyl group substituted by halogen or an alkylsulfonyl group, a process for their production and their use as a pH indicator or in methods and agents for the determination of an ion in an aqueous liquid.

    摘要翻译: 本发明的主题是具有通式I(I)的萘酚衍生物,其中R 1,R 2,R 3相同或不同,各自表示氢,烷基或烷氧基,其中至少一个 残基是(C 8 -C 30) - 烷基或烷氧基残基R 4是氢或烷基R 5是硝基,被卤素,氰基,磺酰胺基或烷基磺酰基X取代的烷基是氮或 残基CR6和Y是硫或残基CR7 = CR8,其中R6,R7,R8相同或不同,各自表示氢,卤素,硝基,氰基,烷基或被卤素取代的烷基或 烷基磺酰基,其制备方法及其作为pH指示剂的用途或用于测定水性液体中的离子的方法和试剂。

    Reagent and process for the determination of the activity of the enzyme
gamma-glutamyl transferase
    7.
    发明授权
    Reagent and process for the determination of the activity of the enzyme gamma-glutamyl transferase 失效
    用于测定γ-谷氨酰转移酶酶活性的试剂和方法

    公开(公告)号:US4603107A

    公开(公告)日:1986-07-29

    申请号:US532907

    申请日:1983-09-16

    摘要: 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.

    摘要翻译: 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。