| 摘要 |
PURPOSE:To execute a catecholamine acidic metabolite to a specific enzyme immunological measurement by forming a enzyme labeling body in which the hydroxyl group, methoxyl group and carbroxyl group important as the hapten structure of the catecholamine acidic metabolite are not the coupler with enzyme. CONSTITUTION:This enzyme labeling body for the catechlamine acidic metabolite is expressed by formula I (in formula I, R<1> atom or hydroxyl group). This enzyme labeling body is applicable to the competitive enzyme immunological measurement in which the catecholamine acidic metabolite in a measuring sample and the enzyme labeling body are brought into competitive reaction with each other.
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