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Publications and source records attributed to D S Pepper.
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To facilitate selection of monoclonal antibodies for immunoaffinity chromatography, an ELISA screening procedure was developed. The assay is based on the avidin-biotin system and provides a profile of the monoclonal antibody which is based on the binding characteristics of the antigen binding site when exposed to different elution reagents. The elution profiles of 5 monoclonal antibodies to soy bean trypsin inhibitor (SBTI) were determined and for 2 of the antibodies the results obtained in the ELISA were verified using column experiments. The affinity constants were determined for the same 5 monoclonal antibodies and no correlation was seen with the ease of elution. The elution profiles presented here are easily obtained and the results indicate that a general screening procedure for suitable combinations of antibodies and elution conditions can be carried out using an elution ELISA assay when modified as described herein.