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    Nitrogen test kit for physical training
    71.
    发明授权
    Nitrogen test kit for physical training 失效
    用于体能训练的氮测试包

    公开(公告)号：US5137692A

    公开(公告)日：1992-08-11

    申请号：US625866

    申请日：1990-12-11

    Applicant: Robert Fritz

    Inventor： Robert Fritz

    IPC: A61B5/00 ,  G01N33/62

    CPC classification number: A61B5/00 ,  G01N33/62 ,  Y10T436/171538

    Abstract: A nitrogen test kit for determining the relative level of nitrogen of a user who is involved in a health program where diet and exercise are monitored and adjusted for optimizing physical development, the kit including a plastic stick having a reagent zone on which is included a reactant such as urease, and a pH indicator such as bromthymol blue, used in conjunction with color chart blocks representing a range of urea nitrogen concentrations, wherein the user's urine nitrogen content can be determined by comparing the altered color of the reagent zone of an exposed test strip to the color chart and compared with a personal baseline level, developed from a number of tests under controlled conditions, for determining the present protein nitrogen turnover and approximate balance.

    Abstract translation: 用于确定参与健康计划的用户的相对氮含量的氮测试试剂盒，其中监测和调整饮食和运动以优化身体发育，所述试剂盒包括具有试剂区的塑料棒，其上包含反应物 例如脲酶和诸如溴百里酚蓝的pH指示剂与代表一定范围的尿素氮浓度的色谱图结合使用，其中用户的尿氮含量可以通过比较暴露测试的试剂区域的改变的颜色来确定 并将其与个人基线水平进行比较，并从控制条件下的许多测试开发，以确定当前的蛋白质氮周转和近似平衡。

    Test means and assay for determining the urea content of fluids
    72.
    发明授权
    Test means and assay for determining the urea content of fluids 失效
    用于测定流体尿素含量的测试方法和测定

    公开(公告)号：US4215995A

    公开(公告)日：1980-08-05

    申请号：US39113

    申请日：1979-05-15

    Applicant: Richard S. Turk ,  Adam P. Zipp

    Inventor： Richard S. Turk ,  Adam P. Zipp

    IPC: G01N31/22 ,  G01N33/62 ,  G01N33/16

    CPC classification number: G01N31/22 ,  G01N33/62 ,  Y10T436/171538

    Abstract: Test means, method for making same and method for assaying the urea content of fluids such as blood serum, plasma, urine and spinal fluid are disclosed. The preferred method for making the test means involves a three stage application of reagents separated from each other on an acid modified carrier matrix. One reagent is o-phthalaldehyde and the other reagent is 3-hydroxy-1,2,3,4-tetrahydrobenzo[h] quinoline, 3-acetoxy-1,2,3,4-tetrahydrobenzo[h]quinoline or their dihydrochloride salts. Stability of the reagents is achieved and precipitation of serum proteins is avoided. Moreover, the interfering color due to the presence of bilirubin is minimized when the urea content of serum is determined.

    Abstract translation: 公开了测定方法，制备方法和测定血液，血浆，尿液和脊髓液等尿液含量的方法。 用于制备测试装置的优选方法包括在酸改性的载体基质上彼此分离的试剂的三阶段应用。 一种试剂是邻苯二甲醛，另一种试剂是3-羟基-1,2,3,4-四氢苯并[h]喹啉，3-乙酰氧基-1,2,3,4-四氢苯并[h]喹啉或其二盐酸盐 。 实现了试剂的稳定性，避免了血清蛋白的沉淀。 此外，当确定血清的尿素含量时，由于胆红素的存在引起的干扰色最小化。

    Urea assay
    73.
    发明授权
    Urea assay 失效

    公开(公告)号：US4131430A

    公开(公告)日：1978-12-26

    申请号：US885597

    申请日：1978-03-13

    Applicant: Jerry W. Denney

    Inventor： Jerry W. Denney

    IPC: C07D215/46 ,  G01N31/00 ,  G01N33/62 ,  G01N33/16

    CPC classification number: C07D215/46 ,  G01N33/62 ,  Y10T436/171538

    Abstract: Urea assay or analysis process and reagents therefor, in which the assay involves a reaction between a sample of biological fluid and an acidic reagent solution of o-phthaldehyde and a chromogenic compound; the chromogenic compounds include certain substituted benzene compounds, certain substituted naphthalene compounds, certain aminopyrimidines, certain substituted quinolines, certain morpholino substituted quinolines and certain morpholino substituted naphthalenes.

    Urea assay
    74.
    发明授权
    Urea assay 失效

    公开(公告)号：US4131425A

    公开(公告)日：1978-12-26

    申请号：US885596

    申请日：1978-03-13

    Applicant: Jerry W. Denney

    Inventor： Jerry W. Denney

    IPC: C07D215/46 ,  G01N31/00 ,  G01N33/62 ,  G01N33/16

    CPC classification number: C07D215/46 ,  G01N33/62 ,  Y10T436/171538

    Abstract: Urea assay or analysis process and reagents therefor, in which the assay involves a reaction between a sample of biological fluid and an acidic reagent solution of o-phthaldehyde and a chromogenic compound; the chromogenic compounds include certain substituted benzene compounds, certain substituted naphthalene compounds, certain aminopyrimidines, certain substituted quinolines, certain morpholino substituted quinolines and certain morpholino substituted naphthalenes.

    Urea assay
    75.
    发明授权
    Urea assay 失效
    尿素测定

    公开(公告)号：US4074972A

    公开(公告)日：1978-02-21

    申请号：US740612

    申请日：1976-11-10

    Applicant: Jerry W. Denney

    Inventor： Jerry W. Denney

    IPC: C07D215/46 ,  G01N31/00 ,  G01N33/62 ,  G01N33/16

    CPC classification number: C07D215/46 ,  G01N33/62 ,  Y10T436/171538

    Abstract: A urea assay or analysis process and reagents therefor, in which the assay involves a reaction between a sample of biological fluid and an acidic reagent solution of o-phthaldehyde and a chromogenic compound; the chromogenic compounds include certain substituted benzene compounds, certain substituted naphthalene compounds, certain aminopyrimidines, certain substituted quinolines, certain morpholino substituted quinolines and certain morpholino substituted naphthalenes.

    Abstract translation: 一种尿素测定或分析方法及其试剂，其中所述测定涉及生物流体样品与邻苯二甲醛和显色化合物的酸性试剂溶液之间的反应; 显色化合物包括某些取代的苯化合物，某些取代的萘化合物，某些氨基嘧啶，某些取代的喹啉，某些吗啉取代的喹啉和某些吗啉取代的萘。

    Method for detecting blood urea nitrogen
    76.
    发明授权
    Method for detecting blood urea nitrogen 失效
    检测血尿素氮的方法

    公开(公告)号：US3986834A

    公开(公告)日：1976-10-19

    申请号：US583549

    申请日：1975-06-04

    Applicant: Charles F. Steinbrink, Jr.

    Inventor： Charles F. Steinbrink, Jr.

    IPC: G01N33/62 ,  G01N33/16

    CPC classification number: G01N33/62 ,  Y10T436/171538

    Abstract: An improved means and method for the determination of blood urea nitrogen in blood serum or plasma. In brief, the means comprises a novel kit, particularly adapted to present a fresh reagent solution of diacetyl, thiosemicarbazide and anhydrous ethylene glycol in individual vessels for analysis and control procedures. The kit is particularly advantageous in that it permits the fresh preparation of reagents in predetermined volumes, for the determination of blood urea nitrogen. The method of the invention comprises employing the kit of the invention for the analysis of unknown specimens of blood serum or plasma.

    Reagent and method for urea determination
    77.
    发明授权
    Reagent and method for urea determination 失效
    用于尿素测定的试剂和方法

    公开(公告)号：US3853473A

    公开(公告)日：1974-12-10

    申请号：US28488772

    申请日：1972-08-30

    Applicant: MEDICO ELECTRONIC INC

    Inventor： MORIN L ,  PROX J

    IPC: G01N33/62 ,  G01N31/22 ,  G01N33/16

    CPC classification number: G01N33/62 ,  Y10T436/171538

    Abstract: A colorimetric reagent and method for the determination of blood urea. The method involves the addition of a small amount of serum to a reagent containing p-dimethylaminobenzaldehyde in acidic dimethylformamide and immediately measuring the increase in absorbance at 450 nm. The increase in absorbance is directly proportional to the urea concentration. The response is sensitive, requires no heating, and is linear up to 125 mg percent of urea nitrogen.

    Abstract translation: 用于测定血液尿素的比色试剂和方法。 该方法包括向含有对二甲基氨基苯甲醛的试剂在酸性二甲基甲酰胺中加入少量血清，并立即测量450nm处吸光度的增加。 吸光度的增加与尿素浓度成正比。 响应敏感，不需要加热，线性高达125毫克％的尿素氮。

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