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    • 1. 发明授权
    • Aqueous cholesterol standard solution and process for its preparation
    • 水性胆固醇标准溶液及其制备方法
    • US4868139A
    • 1989-09-19
    • US122019
    • 1987-11-17
    • Rolf DeegGisela DenglerJoachim Ziegenhorn
    • Rolf DeegGisela DenglerJoachim Ziegenhorn
    • G01N33/50C12Q1/60G01N33/92
    • C12Q1/60Y10T436/104165Y10T436/108331
    • The present invention provides an aqueous cholesterol standard solution with a definite content of cholesterol, wherein it contains a detergent mixture of 10 to 90% of cholic acid and 90 to 10% of desoxycholic acid or of appropriate salts or derivatives of these acids.The present invention also provides a process for the preparation of this aqueous cholesterol standard solution, wherein a detergent mixture of cholic acid and desoxycholic acid or of appropriate salts and derivatives of these acids is dissolved in distilled water or in 0.9% aqueous sodium chloride solution, an appropriate preservation agent and/or a buffer effective in the pH range of from 7 to 9 optionally added thereto, and a definite, precisely defined amount of cholesterol is dissolved in the solution thus obtained, while stirring and warming to 40.degree. to 60.degree. C.
    • 本发明提供具有一定胆固醇含量的胆固醇水溶液,其中含有10-90%胆酸和90-10%脱氧胆酸或这些酸的适当盐或衍生物的洗涤剂混合物。 本发明还提供了制备这种胆固醇水溶液标准溶液的方法,其中将胆酸和脱氧胆酸的洗涤剂混合物或这些酸的适当盐和衍生物溶解在蒸馏水中或在0.9%氯化钠水溶液中, 适当的保存剂和/或在任意添加的pH范围为7〜9的有效缓冲液中,将一定精确定量的胆固醇溶于所得溶液中,同时搅拌并升温至40〜60℃ C。
    • 6. 发明授权
    • Process and reagent for the determination of the hemoglobin-haptoglobin
complex in the presence of free hemoglobin
    • 在游离血红蛋白存在下测定血红蛋白 - 触珠蛋白复合物的方法和试剂
    • US4695552A
    • 1987-09-22
    • US601801
    • 1984-04-19
    • Urban SchmittRolf DeegJoachim Ziegenhorn
    • Urban SchmittRolf DeegJoachim Ziegenhorn
    • C12Q1/28G01N33/72
    • C12Q1/28G01N33/725C12Q2326/30Y10T436/25125
    • The present invention provides a process for the determination of the hemoglobin-haptoglobin complex in the presence of free hemoglobin by utilization of the different peroxidate properties of free and of bound hemoglobin, wherein, for the selective inhibition of the peroxidase activity of the free hemoglobin, a detergent is added and the residual peroxidate activity of the reaction mixture is measured.The present invention also provides a reagent for carrying out this process wherein, besides the substances required for the determination of the peroxidase activity, it contains a detergent for the inhibition of the peroxidase activity of free hemoglobin.Furthermore, the present invention provides a process for determining the haptoglobin content of a sample, as well as a process for determining glycosilated hemoglobin in a sample.
    • 本发明提供了一种通过利用游离血红蛋白和结合血红蛋白的不同过氧化物特性在游离血红蛋白存在下测定血红蛋白 - 触珠蛋白复合物的方法,其中,对于选择性抑制游离血红蛋白的过氧化物酶活性, 添加洗涤剂,并测量反应混合物的过氧化物的残留活性。 本发明还提供了一种用于进行该方法的试剂,其中除了确定过氧化物酶活性所需的物质外,还含有用于抑制游离血红蛋白的过氧化物酶活性的洗涤剂。 此外,本发明提供了测定样品的触珠蛋白含量的方法,以及测定样品中糖基化血红蛋白的方法。
    • 9. 发明授权
    • Process and reagent for the specific determination of the cholesterol of
the HDL fraction
    • 用于特异性测定HDL级分胆固醇的方法和试剂
    • US4892815A
    • 1990-01-09
    • US107467
    • 1987-10-06
    • Lorenz KerscherBrigitte PautzGisela TrunkJoachim Ziegenhorn
    • Lorenz KerscherBrigitte PautzGisela TrunkJoachim Ziegenhorn
    • C12Q1/26C12Q1/44C12Q1/60G01N33/92
    • C12Q1/60G01N33/92G01N2800/044Y10S435/805Y10S435/962Y10S436/81Y10S436/824
    • The present invention provides a process for the specific determination of the cholesterol of the HDL fraction in the presence of the LDL fraction of serum lipoproteins. Pancreatic cholesterol esterase is used to liberate cholesterol, and the liberated cholesterol then reacts with cholesterol oxidase and oxygen to form hydrogen peroxide. The kinetics of either of hydrogen peroxide formation or oxygen consumption is measured within 2 to 15 minutes after the start of the reaction between cholesterol and the oxidase. The temperature is maintained within a range of 20.degree. C., during a predetermined time interval. Specific concentrations of reactants are maintained in the reaction solution, i.e., from 0.05 to 30 U/ml pancreatic cholesterol esterase; from 0.1 to 50 U/ml cholesterol oxidase; from 1.0 to 20 mMole/liter of a tenside of the bile acid group, and 0.1 to 10 g/liter of a non-ionic detergent. The pH is kept within a range of 5 to 9. In addition, a reagent is provided which is used for specific determination of HDL fraction cholesterol in the presence of the LDL fraction of serum lipoproteins. The reagent contains pancreatic esterase (0.05 to 30 U/ml); cholesterol oxidase (0.1 to 50 U/ml) a tenside of the bile acid grop (1.5 to 8 mMole/liter) and a non-ionic detergent (0.1 to 10 g/liter), all concentrations referring to the dilution used in the test. The reagent also contains a buffer at a pH of from 5 to 9, and a system for photometric determination of hydrogen peroxide.
    • 本发明提供了在血清脂蛋白的LDL级分存在下具体测定HDL级分的胆固醇的方法。 胰胆固醇酯酶用于释放胆固醇,然后释放的胆固醇与胆固醇氧化酶和氧气反应形成过氧化氢。 在胆固醇和氧化酶反应开始后2至15分钟内测量过氧化氢形成或氧气消耗的动力学。 在预定的时间间隔内将温度保持在20℃的范围内。 反应物的特定浓度保持在反应溶液中,即0.05至30U / ml胰胆固醇酯酶; 0.1至50U / ml胆固醇氧化酶; 1.0至20mMole /升的胆汁酸基的表面活性剂和0.1至10g /升的非离子型洗涤剂。 pH值保持在5〜9的范围。此外,提供了在血清脂蛋白的LDL级分存在下用于特异性测定HDL级分胆固醇的试剂。 试剂含有胰酯酶(0.05〜30U / ml); 胆固醇氧化酶(0.1至50U / ml)胆汁酸组织(1.5至8mMole /升)的表面活性剂和非离子型洗涤剂(0.1至10g /升),所有浓度均指试验中使用的稀释液 。 该试剂还含有pH为5至9的缓冲液和用于光度测定过氧化氢的系统。