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    • 51. 发明授权
    • Homocysteine assay
    • 同型半胱氨酸测定
    • US6020206A
    • 2000-02-01
    • US99588
    • 1998-06-18
    • Chandra VargeeseSumedha JayasenaNebojsa Janjic
    • Chandra VargeeseSumedha JayasenaNebojsa Janjic
    • G01N33/68
    • G01N33/68G01N33/6815
    • This invention pertains to methods of determining the presence and/or quantity of homocysteine in a sample containing other thiol-containing compounds. The methods of this invention involve modifying the homocysteine to facilitate the separation of homocysteine from cysteine. An assay protocol comprises adjusting the conditions of the sample suspected of containing homocysteine so that homocysteine forms homocysteine thiolactone, separating the homocysteine thiolactone from free thiol-containing compounds present in the sample, including cysteine, reconverting the homocysteine thiolactone to homocysteine, and determining the presence and/or quantity of homocysteine in the sample by conventional means.
    • 本发明涉及确定含有其它含硫醇化合物的样品中同型半胱氨酸的存在和/或量的方法。 本发明的方法涉及修饰同型半胱氨酸以促进半胱氨酸与半胱氨酸的分离。 测定方案包括调整怀疑含有同型半胱氨酸的样品的条件,使得同型半胱氨酸形成同型半胱氨酸硫内酯,将同型半胱氨酸硫内酯与存在于样品中的游离含硫醇化合物(包括半胱氨酸)分离,将同型半胱氨酸硫内酯重新转化为同型半胱氨酸, 和/或样品中同型半胱氨酸的量。