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Screening of McAbs for immunochromatographic strip by Sandwich Dot-Blot. 1a−4d: the imprinting distribution of sixteen capture antibodies on 16 nitrocellulose membranes and sample diluted in antigen dilution buffer were added to per membrane; (A–P) sixteen colloidal gold conjugated McAbs was added to sixteen membranes, respectively. The pairing of two specific antibodies were selected by observing the color strength of the nitrocellulose membrane.
