Abstract

An alternative protocol for immobilization of antibodies onto plastic solid supports is presented. According to the proposed protocol, tubes are first coated with γ-globulins from non-immunized animal of the same species as that from which the antigen-specific antibody has been developed. Then, an excess of second antibody is added to the tubes and the anti-species specific antibodies present in the antiserum are immunoadsorbed on the immobilized γ-globulins. Finally, the antigen specific antibody is immunoadsorbed on the immobilized second antibody. We found that the coating protocol developed allows the use of antigen-specific and second antibody antisera dilutions, thus avoiding the need for affinity purification of antibodies. Additionally, it provides solid-phase

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