Analytical element for measurements of enzyme activity
    1.
    发明授权
    Analytical element for measurements of enzyme activity 失效
    酶活性测定用分析元素

    公开(公告)号:US5508173A

    公开(公告)日:1996-04-16

    申请号:US373885

    申请日:1995-01-17

    CPC分类号: G01N33/525 G01N33/526

    摘要: A multilayer analytical element for measuring enzyme activity in a liquid sample such as a body fluid which is less affected by intrinsic pyruvic acid contained in the liquid sample is disclosed. The analytical element comprises a support, a reagent layer, an optionally provided other layer, and a porous spreading layer. The reagent layer and/or the optionally provided other layer contain pyruvic acid oxidase. The characteristic feature of the analytical element lies in that the spreading layer has a specific void volume in the range of 3-15 .mu.l/cm.sup.2.

    摘要翻译: 公开了一种用于测量液体样品中的酶活性的多层分析元件,所述液体样品例如体液中较少受到液体样品中所含的固有丙酮酸的影响。 分析元件包括载体,试剂层,任选提供的其它层和多孔扩散层。 试剂层和/或任选提供的其它层含有丙酮酸氧化酶。 分析元件的特征在于扩散层具有在3-15μml/ cm 2范围内的特定空隙体积。

    Integral multilayer element for glucose analysis
    2.
    发明授权
    Integral multilayer element for glucose analysis 失效
    用于葡萄糖分析的整体多层元件

    公开(公告)号:US5183741A

    公开(公告)日:1993-02-02

    申请号:US603243

    申请日:1990-10-22

    IPC分类号: C12Q1/26

    CPC分类号: C12Q1/26 Y10S435/805

    摘要: An integral multilayer element for chemical analysis utilizing an oxidase enzyme reaction system is prepared having in the following order:(a) a porous spreading layer;(b) an oxygen-permeable, protein-impermeable light-blocking layer;(c) an oxidase-containing layer;(d) an indicator layer containing peroxidase and a hydrogen peroxide indicator showing detectable change in the presence of peroxidase and hydrogen peroxide; and(e) a water-impermeable, light-transmissive support. The oxidase in the oxidase-containing layer is preferably glucose oxidase to provide a multilayer element for glucose determination. This multilayer element shortens the analytical time, widens the measurable concentration range of the analyte and improves accuracy.

    摘要翻译: 按照以下顺序制备用于利用氧化酶反应体系的化学分析的整体多层元件:(a)多孔扩散层; (b)透氧的蛋白质不透过的遮光层; (c)含氧化酶层; (d)包含过氧化物酶和过氧化氢指示剂的指示剂层,显示过氧化物酶和过氧化氢存在下可检测的变化; 和(e)不透水的透光支架。 氧化酶层中的氧化酶优选为葡萄糖氧化酶,以提供用于葡萄糖测定的多层元件。 该多层元件缩短了分析时间,扩大了分析物的可测量浓度范围,提高了精度。

    Analytical element for measuring activity of creatine kinase
    4.
    依法登记的发明
    Analytical element for measuring activity of creatine kinase 失效
    用于测量肌酸激酶活性的分析元素

    公开(公告)号:USH622H

    公开(公告)日:1989-04-04

    申请号:US195238

    申请日:1988-05-18

    IPC分类号: C12Q1/50

    CPC分类号: C12Q1/50

    摘要: In a dry analytical element for the determination of creatine kinase enzymatic activity is disclosed, comprising at least one porous medium and at least one water permeable layer having a liquid contact relation with the porous medium, the porous medium or the water permeable layer contains creatine phosphoric acid, ADP, a thiol compound as a creatine kinase activation agent, glucose, hexokinase, G6PDH, NAD.sup.+, an electron transmission agent and a formazane dye forming tetrazolium salt, the improvement wherein at least one water permeable layer having a liquid contact relation with the porous medium contains a formazane dye forming tetrazolium salt and not more than 16 g/m.sup.2 of gelatin.

    Analytical reagent, analytical method, and multilayer
chemical-analytical element
    6.
    发明授权
    Analytical reagent, analytical method, and multilayer chemical-analytical element 失效
    分析试剂,分析方法和多层化学分析元素

    公开(公告)号:US4721670A

    公开(公告)日:1988-01-26

    申请号:US745914

    申请日:1985-06-18

    摘要: A novel imidazole derivative type reagent for analysis of hydrogen peroxide, a method of analysis of hydrogen peroxide using the same, a method of analysis of peroxidase using the same, and a multilayer chemicalanalytical element containing the same are disclosed.The imidazole derivative has the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 represent an aryl group or a substituted aryl group, and R.sup.1 and R.sup.2 are identical with or different from each other, and R.sup.3 represents 2- or 3-pyrrolyl group, a substituted 2- or 3-pyrrolyl group, 2- or 3-indolyl group, or a substituted 2- or 3-indolyl group.

    摘要翻译: 公开了一种用于分析过氧化氢的新型咪唑衍生物试剂,使用该过氧化氢的过氧化氢的分析方法,使用该过氧化物酶的分析方法和含有该过氧化物的多层化学分析元素。 咪唑衍生物具有式(I):其中R 1和R 2表示芳基或取代的芳基,并且R 1和R 2彼此相同或不同,并且R 3表示2-或3 吡咯基,取代的2-或3-吡咯基,2-或3-吲哚基,或取代的2-或3-吲哚基。

    Integral multi-layered element containing glucose oxidase for
determining glucose
    7.
    发明授权
    Integral multi-layered element containing glucose oxidase for determining glucose 失效
    含葡萄糖氧化酶的整体多层元素用于测定葡萄糖

    公开(公告)号:US4452887A

    公开(公告)日:1984-06-05

    申请号:US389344

    申请日:1982-06-17

    摘要: In a dry-type multilayer liquid analysis material for glucose determination composed of a transparent water-impermeable support having formed thereon in sequence at least a reagent layer containing a reactive component forming a detectable material by the action of hydrogen peroxide, a non-porous light-shielding layer, and a porous spreading layer, the coloring efficiency for colorimetry using the liquid analysis material is improved by incorporating a glucose oxidase enzyme in at least one layer disposed above the reagent layer.

    摘要翻译: 在用于葡萄糖测定的干式多层液体分析材料中,其由透明的不透水支持体组成,其中至少在其上形成有通过过氧化氢的作用形成可检测材料的反应性成分的试剂层,非多孔光 并且多孔扩散层,通过在设置在试剂层上方的至少一层中并入葡萄糖氧化酶来提高使用液体分析材料的比色法的着色效率。

    Integral multilayer analytical element for the assay of total protein
    8.
    发明授权
    Integral multilayer analytical element for the assay of total protein 失效
    用于总蛋白测定的整体多层分析元件

    公开(公告)号:US4435362A

    公开(公告)日:1984-03-06

    申请号:US441062

    申请日:1982-11-12

    IPC分类号: G01N33/52 G01N33/68 G01N21/78

    CPC分类号: G01N33/526 G01N33/6833

    摘要: An improved integral multilayer analytical element for the assay of total protein contained in liquid sample. The element comprises a transparent support on which a reagent layer and a spreading layer are superposed. The feature of the element exists in the reagent layer comprising potassium sodium tartarate, a cupric salt, a basic compound providing a pH in excess of about 12.0 in the element under conditions of use thereof, an alkali-proof polymer and an alkali metal ion complexing agent.

    摘要翻译: 改进的整体多层分析元素,用于测定液体样品中所含的总蛋白质。 该元件包括其上叠加有试剂层和扩散层的透明载体。 该元件的特征存在于包含钾酒石酸钠,铜盐,在使用条件下元素中超过约12.0的pH的碱性化合物的试剂层,耐碱聚合物和碱金属离子络合 代理商

    Heat developable light sensitive material
    10.
    发明授权
    Heat developable light sensitive material 失效
    热显影光敏材料

    公开(公告)号:US4125403A

    公开(公告)日:1978-11-14

    申请号:US810656

    申请日:1977-06-27

    CPC分类号: G03C1/49845

    摘要: A heat developable light sensitive material which comprises a support having therein or in one or more layers thereon (a) an organic silver salt, (b) a light sensitive silver halide or a component capable of producing a light sensitive silver halide and (c) a reducing agent and additionally contains (d) at least one phthalazinone and (e) at least one compound selected from benzoxazinediones and quinazolinediones in a molar ratio of the amount of the component (e) to that of the component (d) smaller than about 1:1 (i.e. molar ratio (e)/(d) 1) in at least one of the layers containing components (a) to (c), in a specific layer additionally provided on the support other than the layers containing components (a) to (c), or in the support to result in the production of images of a pure black tone and in improvements in shelf-life under high humidity and the developing speed.

    摘要翻译: 一种可热显影的感光材料,其包括其中或其中一层或多层的支撑体(a)有机银盐,(b)感光卤化银或能够产生感光卤化银的组分,和(c) 还原剂,另外含有(d)至少一种2,3-二氮杂萘酮和(e)至少一种选自苯并恶嗪二酮和喹唑啉二酮的化合物,其组分(e)与组分(d)的量的摩尔比小于约 在包含组分(a)至(c)的至少一层中的1(1)摩尔比(即摩尔比(e)/(d)1)),在除了含有组分的层 )到(c),或支持,以产生纯黑色调的图像,并改善高湿度和显影速度下的保质期。