Substrate for determining leucine aminopeptidase or
gamma-glutamyltranspeptase activity
    2.
    发明授权
    Substrate for determining leucine aminopeptidase or gamma-glutamyltranspeptase activity 失效
    用于测定亮氨酸氨基肽酶或γ-谷氨酰转肽酶活性的底物

    公开(公告)号:US4877727A

    公开(公告)日:1989-10-31

    申请号:US248347

    申请日:1988-09-20

    IPC分类号: C12Q1/37 C12Q1/48

    CPC分类号: C12Q1/48 C12Q1/37 C12Q2337/10

    摘要: Leucine aminopeptidase (LAP) activity or .gamma.-glutamyltranspeptidase (.gamma.-GTP) activity in a sample is determined by converting a substrate represented by the formula (I): ##STR1## wherein Z represents (CH.sub.3).sub.2 CHCH.sub.2 CH(NH.sub.2)--or (NH.sub.2)(COOH) CHCH.sub.2 CH.sub.2 --, R.sub.1 represents hydrogen, alkyl or substituted alkyl, R.sub.2 represents alkylene or hydroxyalkylene, R.sub.3 and R.sub.4 are the same or different and represents hydrogen, halogen, nitro, hydroxyl, sulfo, carboxyl, alkyl, and alkoxy, and salts thereof into a compound represented by the formula (II): ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 have the same meanings as defined above. The compound (II) is reacted with a chromogen to form a pigment or converted into a diazonium salt which is reacted with a coupling agent to form an azo dye. Absorption of a resultant colored reaction solution is measured.

    摘要翻译: 通过转化由式(I)表示的底物来确定样品中的亮氨酸氨基肽酶(LAP)活性或γ-谷氨酰转肽酶(γ-GTP)活性:其中Z表示(CH 3)2 CHCH 2 CH(NH 2) - 或(NH 2)(COOH)CHCH 2 CH 2 - ,R 1表示氢,烷基或取代的烷基,R 2表示亚烷基或羟基亚烷基,R 3和R 4相同或不同,表示氢,卤素,硝基,羟基,磺基,羧基,烷基和 (II)表示的化合物:其中R 1,R 2,R 3和R 4具有与上述相同的含义。 使化合物(II)与色原反应形成颜料或转化为重氮盐,其与偶联剂反应以形成偶氮染料。 测量所得有色反应溶液的吸收。

    Tool for measuring object to be measured, measuring device, and measuring method
    4.
    发明申请
    Tool for measuring object to be measured, measuring device, and measuring method 审中-公开
    测量对象的工具,测量装置和测量方法

    公开(公告)号:US20070031286A1

    公开(公告)日:2007-02-08

    申请号:US10567843

    申请日:2004-08-11

    IPC分类号: G01N33/00

    CPC分类号: G01N33/543

    摘要: According to the present invention, a device for measuring an object to be measured in a sample which comprises a support, sample addition site (S) and a detection site (Q), said sample addition site and said detection site being on the support, said support allowing the object to be measured to move by the capillary flow of a developing liquid, said detection site having a piezoelectric vibrator sandwiched between two electrodes, said piezoelectric vibrator having a trapper A, (c1) immobilized thereon, or an analogue of the object to be measured (c1′) immobilized thereon, and said support further comprising a binder retaining site(BR) where a binder (b1) is retained therein so that it is movable by the capillary flow of the developing liquid. Furthermore, the present invention provides a method for quantitatively determining an object to be measured in a sample using the device.

    摘要翻译: 根据本发明,一种用于测量样品中待测物体的装置,该装置包括载体,加样部位(S)和检测部位(Q),所述样品添加位点和所述检测部位位于载体上, 所述支撑件允许被测物体通过显影液的毛细管流动移动,所述检测部位具有夹在两个电极之间的压电振动器,所述压电振动器具有捕获器A(c 1)固定在其上,或类似物 固定在其上的待测物体(c 1'),并且所述支撑体还包括粘合剂保留部位(BR),其中粘合剂(b 1)保持在其中,使得其可通过显影液的毛细管流动。 此外,本发明提供一种使用该装置定量确定样品中待测物体的方法。

    Method for quantitating triglycerides in lipoproteins
    5.
    发明申请
    Method for quantitating triglycerides in lipoproteins 审中-公开
    脂蛋白中甘油三酯的定量方法

    公开(公告)号:US20050042703A1

    公开(公告)日:2005-02-24

    申请号:US10951683

    申请日:2004-09-29

    摘要: The present invention relates to a method for conveniently quantitating TGs contained in various lipoproteins. A method for quantitating trigyceride (TG) in a particular lipoprotein which comprises eliminating free glycerol from a sample containing free glycerol and TG in the particular lipoprotein, then allowing the resulting sample to react with lipoprotein lipase and an enzyme system which generates hydrogen peroxide from free glycerol, and quantitating the generated hydrogen peroxide, is provided.

    摘要翻译: 本发明涉及方便地定量各种脂蛋白中含有的TG的方法。 一种在特定脂蛋白中定量三环霉素(TG)的方法,其包括从含有游离甘油和特定脂蛋白中的TG的样品中除去游离甘油,然后使得到的样品与脂蛋白脂肪酶和从游离体产生过氧化氢的酶系统反应 甘油,并定量生成的过氧化氢。

    Method for the determination of the compound having mercapto group
    6.
    发明授权
    Method for the determination of the compound having mercapto group 失效
    测定具有巯基的化合物的方法

    公开(公告)号:US4978615A

    公开(公告)日:1990-12-18

    申请号:US157141

    申请日:1988-02-10

    摘要: The present invention provides a method for the determination of a compound having mercapto group which comprises reacting the compound with a chromogen represented by the following general formula (I): ##STR1## wherein Y is hydrogen or hydroxyl; R.sub.1, R.sub.2 and R.sub.3 may be the same or different, and are groups represented by the following general formula (II), (III) or (IV): ##STR2## wherein Z (which may be the same or different) is hydroxyl, amino, substituted amino, alkyl, substituted alkyl, alkenyl, aryl, substituted aryl, acyl, halogen, nitro, sulfo, carboxyl or alkoxy; n is 0, 1, 2, or 3; provided that at least one Z in R.sub.1, R.sub.2 and R.sub.3 is hydroxyl, amino, or substituted amino, in the presence of peroxidase or thiol oxide reductase, and determining the pigment thus formed.

    摘要翻译: 本发明提供了一种用于测定具有巯基的化合物的方法,该方法包括使化合物与由以下通式(I)表示的色原体反应:其中Y为氢或羟基; (II),(III)或(IV)表示的基团可以相同或不同,R1,R2和R3可以相同或不同,并且是由以下通式(II),(III)或(IV)表示的基团: )其中Z(其可以相同或不同)为羟基,氨基,取代的氨基,烷基,取代的烷基,烯基,芳基,取代的芳基,酰基,卤素,硝基,磺基,羧基或烷氧基; n为0,1,2或3; 条件是在过氧化物酶或硫醇氧化物还原酶的存在下,R1,R2和R3中的至少一个Z是羟基,氨基或取代的氨基,并且确定如此形成的颜料。

    Method for the determination of the reduced form of nicotinamide adenine
dinucleotide
    7.
    发明授权
    Method for the determination of the reduced form of nicotinamide adenine dinucleotide 失效
    测定烟酰胺腺嘌呤二核苷酸还原形式的方法

    公开(公告)号:US4824779A

    公开(公告)日:1989-04-25

    申请号:US706404

    申请日:1985-02-28

    摘要: The present invention provides a method for the determination of NAD(P)H which comprises reacting a chromogen represented by the following general formula (I): ##STR1## wherein Y is hydrogen or hydroxyl; R.sub.1, R.sub.2 and R.sub.3 may be the same or different, and are groups represented by the following general formula (II), (III) or (IV): ##STR2## wherein Z is hydrogen, hydroxyl, amino, substituted amino, alkyl, substituted alkyl, alkenyl, aryl, substituted aryl, acyl, halogen, nitro, sulfo, carboxyl or alkoxy; n is 1, 2, or 3; provided that at least one Z in R.sub.1, R.sub.2 and R.sub.3 is hydroxyl, amino, or substituted amino; and Z.sub.s in Z.sub.n may be the same or different, with NAD(P)H in the presence of (1) peroxidase or thiol oxide reductase and (2) diaphorase or an electron carrier, and determining the pigment thus formed.

    摘要翻译: 本发明提供了一种测定NAD(P)H的方法,该方法包括使由以下通式(I)表示的色原反应:其中Y为氢或羟基; (II),(III)或(IV)表示的基团可以相同或不同,R1,R2和R3可以相同或不同,并且是由以下通式(II),(III)或(IV)表示的基团: )其中Z是氢,羟基,氨基,取代的氨基,烷基,取代的烷基,烯基,芳基,取代的芳基,酰基,卤素,硝基,磺基,羧基或烷氧基; n为1,2或3; 条件是R 1,R 2和R 3中的至少一个Z是羟基,氨基或取代的氨基; 并且在(1)过氧化物酶或硫醇氧化物还原酶和(2)心肌黄酶或电子载体的存在下,Zn中的Zs可以相同或不同,具有NAD(P)H,并且确定如此形成的颜料。

    Method and reagent for quantitative determination of 1,5-anhydroglucitol
    8.
    发明授权
    Method and reagent for quantitative determination of 1,5-anhydroglucitol 有权
    用于定量测定1,5-脱水葡萄糖醇的方法和试剂

    公开(公告)号:US06448029B1

    公开(公告)日:2002-09-10

    申请号:US09929038

    申请日:2001-08-15

    IPC分类号: C12Q132

    摘要: The present invention provides a simple method for the determination of a specific component, e.g. 1,5-anhydroglucitol (1,5-AG) in a sample containing glucose, and a reagent and a reagent kit useful in the method. In one embodiment, a method for the determination of 1,5-AG is provided which comprises contacting the sample with an enzyme system which converts glucose into fructose-1,6-diphosphate and converts 1,5-AG into 1,5-AG-6-phosphate to form 1,5-AG-6-phosphate, dehydrogenating 1,5-AG-6-phosphate in the sample by the action of 1,5-AG-6-phosphate dehydrogenase in the presence of an oxidized coenzyme, and measuring the amount of the reduced coenzyme formed by the dehydrogenation reaction. A reagent and a reagent kit useful in this method are also provided.

    摘要翻译: 本发明提供了用于确定特定成分的简单方法,例如, 含有葡萄糖的样品中的1,5-脱水葡萄糖醇(1,5-AG),以及可用于该方法的试剂和试剂盒。 在一个实施方案中,提供了用于测定1,5-AG的方法,其包括将样品与将葡萄糖转化为果糖-1,6-二磷酸并将1,5-AG转化为1,5-AG的酶系统接触 -6-磷酸形成1,5-AG-6-磷酸,通过1,5-AG-6-磷酸脱氢酶的作用在氧化型辅酶存在下使样品中的1,5-AG-6-磷酸脱氢 ,并测定由脱氢反应形成的还原型辅酶的量。 还提供了一种在该方法中有用的试剂和试剂盒。

    Method of quantitative determination of substances using coumarin
derivatives
    9.
    发明授权
    Method of quantitative determination of substances using coumarin derivatives 失效
    使用香豆素衍生物定量测定物质的方法

    公开(公告)号:US5851785A

    公开(公告)日:1998-12-22

    申请号:US288738

    申请日:1994-08-16

    IPC分类号: C12Q1/28 G01N33/58

    摘要: The present invention relates to a method for quantitatively determining a peroxidation-active substance, hydrogen peroxide or a coumarin derivative represented by formula (I) or (II): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are the same or different and each represents hydrogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl, substituted or unsubstituted aryl or halogen; the method comprising reacting the hydrogen peroxide with the coumarin derivative represented by formula (I) or (II) or its salt in the presence of the peroxidation-active substance, and determining the amount of the light emission or the light intensity from the reaction solution.

    摘要翻译: 本发明涉及一种定量测定式(I)或(II)表示的过氧化物活性物质,过氧化氢或香豆素衍生物的方法:相同或不同,各自表示氢, 取代或未取代的低级烷基,取代或未取代的芳烷基,取代或未取代的芳基或卤素; 所述方法包括使过氧化氢与由式(I)或(II)表示的香豆素衍生物或其盐在过氧化活性物质的存在下反应,并测定来自反应溶液的发光量或光强度 。

    Method for storing liquid diagnostic reagents
    10.
    发明授权
    Method for storing liquid diagnostic reagents 失效
    储存液体诊断试剂的方法

    公开(公告)号:US5783382A

    公开(公告)日:1998-07-21

    申请号:US786966

    申请日:1997-01-24

    CPC分类号: C12Q1/00 G01N33/50

    摘要: Disclosed is a method for stably storing a liquid diagnostic reagent, comprising air-hermetically keeping the liquid diagnostic reagent in a closed container in the presence of a disoxidant therein. Preferably, at least one of the liquid diagnostic reagent and the disoxidant is covered with a separating container made of a material pervious to oxygen but not to solutions. The liquid diagnostic reagent may comprise an enzyme or an indicator.

    摘要翻译: 公开了一种用于稳定地存储液体诊断试剂的方法,包括在其中存在脱氧剂的情况下将液体诊断试剂气密地保持在密闭容器中。 优选地,液体诊断试剂和脱氧剂中的至少一种用可透过氧气的材料制成的分离容器覆盖,而不是溶液。 液体诊断试剂可以包含酶或指示剂。