Labels:text | screenshot | black and white | black | font | document OCR: n the Competitive immunoassays are based c sample and competition between the antigen in the ling sites the labelled antigen for the antibody bin (Fig. 22 .11 ). ns are Polyclonal antibodies and labelled antig irthermore, normally used for competitive assays, F OW antigens with low molecular weight or ompetitive antigenicity are easier to measure with c assays. antigen to During the immunological reaction, the incubated be measured and the labelled antigen an in liquid with a specific antibody that can be eithe ibody is form or coupled to a solid phase. The an part of the present in limited amount so that only be bound.antigen, both labelled and unlabelled, ca eflects their The distribution of the bound antigens relative concentrations in the assay.
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