Method for preventing degradation of diacetylpolyamine
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United States of America Patent
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Issued Date -
Oct 1, 2009
app pub date -
Mar 27, 2009
filing date -
Mar 28, 2008
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Abstract
The present invention provides a method for preventing degradation of diacetylpolyamine in a solution containing diacetylpolyamine, the method including adding a proteinase inhibitor and/or a peptidase inhibitor to the solution, or lowering the pH of the solution. Employment of the method of the present invention realizes inhibition of degradation of diacetylpolyamine in a solution containing diacetylpolyamine, and determination of more accurate assay data on diacetylpolyamine. The method of the present invention 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.
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