| 摘要 |
PROBLEM TO BE SOLVED: To provide a composition capable of restraining the diazonium coupling of the background and a color change thereof to a minimum, when measuring an analyte selected from among leukocyte, esterase and protease in a sample, and to provide a testing tool and a testing method that uses the same. SOLUTION: The composition for measuring the presence of the analyte is a composition containing diazonium salt, ester hydrolyzed in the presence of the leukocyte, esterase or protease, and salt of an alkaline earth metal, and the testing tool and a testing method using the same are provided also. COPYRIGHT: (C)2006,JPO&NCIPI
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