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    • 49. 发明专利
    • Method of preventing degradation of diacetylpolyamine
    • 防止二氨基甲酰胺降解的方法
    • JP2009236789A
    • 2009-10-15
    • JP2008085098
    • 2008-03-28
    • Yamasa Shoyu Co Ltdヤマサ醤油株式会社
    • HAMAOKI MASARU
    • G01N33/50
    • G01N33/54393C07C231/22C12Q1/37G01N33/66Y10T436/17C07C233/47
    • PROBLEM TO BE SOLVED: To provide a method of preventing degradation of diacetylpolyamine in a solution. SOLUTION: The present invention provides a method of adding a proteinase inhibitor and/or a peptidase inhibitor to the solution containing acetylpolyamine, or a method of lowering the pH of the solution containing diacetylpolyamine. Employment of the method allows inhibition of degradation of diacetylpolyamine in a solution containing diacetylpolyamine, and determination of a more accurate assay value. The method is widely applicable to, for example, a sample containing proteinase or peptidase (e.g., urine or cell lysate), or an assay reaction mixture which may unintentionally contain proteinase or peptidase. Therefore, the method is very useful for assay of diacetylpolyamine. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种防止溶液中二乙酰多胺降解的方法。 解决方案:本发明提供了在含有乙酰多胺的溶液中添加蛋白酶抑制剂和/或肽酶抑制剂的方法,或降低含有二乙酰多胺的溶液的pH的方法。 使用该方法允许抑制二乙酰多胺在含有二乙酰多胺的溶液中的降解,并测定更准确的测定值。 该方法广泛适用于例如含有蛋白酶或肽酶(例如尿或细胞裂解物)的样品或可能无意地含有蛋白酶或肽酶的测定反应混合物。 因此,该方法对于二乙酰多胺的测定非常有用。 版权所有(C)2010,JPO&INPIT