| 摘要 |
PROBLEM TO BE SOLVED: To provide a labeled immunochemical component suitable for easy, quick and highly sensitive immunoassay. SOLUTION: In this labeled complex, an aqueous polymer dispersion particle is used for a carrier, an immunochemical component selected from the group comprising an antigen, a hapten or an antibody is immobilized on the surface of the carrier together with an enzyme immobilized on the surface of the carrier, and their total immobilized amount is 5-200 mg per 1 g of the dry polymer dispersion particles. A labeled complex prepared by immobilizing a specific amount of the enzyme and the immunochemical component on the polymer dispersion particle is used to conduct thereby quick and highly sensitive immunoassay of high specificity.
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