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    • 5. 发明授权
    • Fecal sample immunoassay method testing for hemoglobin
    • 粪便样本免疫测定法测定血红蛋白
    • US5198365A
    • 1993-03-30
    • US764012
    • 1991-09-23
    • Michael A. GrowVipin D. Shah
    • Michael A. GrowVipin D. Shah
    • A61B10/00A61B19/02G01N33/52G01N33/72
    • G01N33/725G01N33/528G01N33/721G01N33/726A61B10/0038A61B2050/0064Y10S436/815Y10S436/825Y10T436/10Y10T436/107497Y10T436/25375
    • A method for preparing a fecal sample for immunoassay testing comprising the steps of dispersing a sample of from 1 to less than 10 wt. % of a stool sample in an aqueous fecal test solution formulated with one or more preservatives, analyte stabilizing agents and endogenous interference reducing agents. The fecal solids are then permitted to settle to form a liquid phase substantially free from fecal solids, and the clarified liquid phase is removed to provide a test sample free from fecal solids. The fecal test solutions contain suitable stool stabilizers such as buffers and antimicrobial agents, analyte protecting agents such as proteolytic, reductive or oxidative enzyme inhibitors, endogenous assay interfering enzyme inhibitors such as a reducing agent, and non-specific binding inhibitors such as animal proteins. The stool sample should be fresh or be fresh frozen and thawed immediately before dispersion in the buffer solution. The sample is suitable for any solid-phase immunoassay determination of a fecal sample analyte. A method for determining analyte in the stool sample comprises conjugating anti-analyte antibody adhered to a insoluble support with analyte in the clarified sample, and determining the presence and extent of such conjugation. For determining human hemoglobin in a sample of human stool, the aqueous fecal test solution preferably contains a proteinase inhibitor, formaldehyde and an animal albumin.
    • 一种制备用于免疫测定试验的粪便样品的方法,包括以下步骤:将1至小于10wt。 用一种或多种防腐剂,分析物稳定剂和内源性干扰还原剂配制的含水粪便试验溶液中的粪便样品的百分比。 然后允许粪便固体沉降以形成基本上不含粪便固体的液相,并除去澄清的液相以提供不含粪便固体的测试样品。 粪便测试溶液含有合适的粪便稳定剂如缓冲液和抗微生物剂,分析物保护剂如蛋白水解酶,还原酶或氧化酶抑制剂,内源性测定干扰酶抑制剂如还原剂和非特异性结合抑制剂如动物蛋白质。 粪便样品应该是新鲜的,或者在分散在缓冲溶液中之前立即新鲜冷冻和解冻。 样品适用于粪便样品分析物的任何固相免疫测定。 用于测定粪便样品中的分析物的方法包括将附着于不溶性载体的抗分析物抗体与澄清样品中的分析物缀合,并确定这种缀合的存在和程度。 为了测定人粪便样品中的人血红蛋白,粪便测试溶液优选含有蛋白酶抑制剂,甲醛和动物白蛋白。
    • 8. 发明授权
    • Two site cross-reaction immunometric sandwich assay method
    • 两个位点交叉反应免疫夹心法
    • US5009996A
    • 1991-04-23
    • US537947
    • 1983-09-30
    • Vipin D. ShahPadmaker V. KulkarniQuirinus R. Miranda
    • Vipin D. ShahPadmaker V. KulkarniQuirinus R. Miranda
    • G01N33/544G01N33/573
    • G01N33/544G01N33/573Y10S435/805Y10S435/81
    • A two site cross-reaction immunometric sandwich assay method for the detection and measurement of an analyte, such as creatine phospho-kinase-MB, in serum comprising the selection of two different antibodies each of which is specific to a different analyte but each of which will cross-react with the analyte of interest. The first antibody is reacted with the unknown sample utilizing a solid-phase to bind the first antibody. Separation of the solid and liquid portions of the first reaction is accomplished and the solid portion thereof is reacted with the second antibody which is tagged. The solid portion and liquid portion of the second reaction are separated and the solid portion is tested for the tag as an indication of the presence of said analyte. With particular reference to testiong for creatine phospho-kinase-MB in human serum, the cross-reacting antibodies utilized are antibody to creatine phospho-kinase-BB and creatine phospho-kinase-MM.
    • 用于在血清中检测和测量分析物如肌酸磷酸激酶-MB的两个位点交叉反应免疫三明治测定方法,包括选择两种不同的抗体,每种抗体对不同的分析物是特异性的,但是每种 将与感兴趣的分析物交叉反应。 使用固相将第一抗体与未知样品反应以结合第一抗体。 完成第一反应的固体和液体部分的分离,其固体部分与标记的第二抗体反应。 分离第二反应的固体部分和液体部分,并测试固体部分作为所述分析物的存在的指示。 特别参考人血清中肌酸磷酸激酶-MB的检测,所用的交叉反应抗体是肌酸磷酸激酶-BB和肌酸磷酸激酶-MN的抗体。
    • 10. 发明授权
    • Two site cross-reaction immunometric sandwich assay method
    • 两个位点交叉反应免疫夹心法
    • US5009997A
    • 1991-04-23
    • US896353
    • 1985-01-30
    • Vipin D. ShahPadmakar v. KulkarniQuirinus R. Miranda
    • Vipin D. ShahPadmakar v. KulkarniQuirinus R. Miranda
    • G01N33/544G01N33/573
    • G01N33/573G01N33/544Y10S435/805Y10S435/81Y10S435/975Y10S436/808
    • A two site cross-reaction immunometric sandwich assay method for the detection and measurement of an analyte, such as creatine phospho-kinase-MB, in serum comprising the selection of two different antibodies each of which is specific to a different analyte but each of which will cross-react with the analyte of interest. The first antibody is reacted with the unknown sample utilizing a solid-phase to bind the first antibody. Separation of the solid and liquid portions of the first reaction is accomplished and the solid portion thereof is reacted with the second antibody which is tagged. The solid portion and liquid portion of the second reaction are separated and the solid portion is tested for the tag as an indication of the presence of said analyte. With particular reference to testing for creatine phospho-kinase-MB in human serum, the cross-reacting antibodies utilized are antibody to creatine phospho-kinase-BB and creatine phospho-kinase-MM.
    • 用于在血清中检测和测量分析物如肌酸磷酸激酶-MB的两个位点交叉反应免疫三明治测定方法,包括选择两种不同的抗体,每种抗体对不同的分析物是特异性的,但是每种 将与感兴趣的分析物交叉反应。 使用固相将第一抗体与未知样品反应以结合第一抗体。 完成第一反应的固体和液体部分的分离,其固体部分与标记的第二抗体反应。 分离第二反应的固体部分和液体部分,并测试固体部分作为所述分析物的存在的指示。 特别参考人血清中肌酸磷酸激酶-MB的检测,所用的交叉反应抗体是针对肌酸磷酸激酶-BB和肌酸磷酸激酶-MM的抗体。