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METHOD FOR THE ELIMINATION OF INTERFERENCES IN IMMUNOCHROMATOGRAPHIC ASSAYS
METHOD FOR THE ELIMINATION OF INTERFERENCES IN IMMUNOCHROMATOGRAPHIC ASSAYS
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机译:消除免疫层析测定中干扰的方法
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摘要
A method and device for carrying out immunoassays in which non analyte specific binding of heterophilic antibodies to a labeled antibody in a capture region produces an incorrect measure of the amount of an analyte attached to the antibody. Immunoglobulin from the same animal source as the labeled antibody is added to the sample fluid to prevent non-specific binding of the heterophilic antibodies in the capture region. One part of specific binding pair is added to said antibody or its label capable of binding to a second part of the binding pair immobilized in a control region downstream of said capture region for trapping the portion of the labeled anti-body which is not bound to the analyte. Preferably said binding pair is biotin/avidin or fluoroscein/anti-fluoroscein.
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