Fig. 1From: A nanobody‐horseradish peroxidase fusion protein‐based competitive ELISA for rapid detection of antibodies against porcine circovirus type 2Purification of Camel serum IgG and preparation of its antibody. a SDS-PAGE and Coomassie brilliant blue staining analysis of the purified camel serum IgG. M, Prestained protein marker; Lane 1, Wash buffer; Lane 2–4, purified camel serum IgG. b Titers of antibodies against camel serum IgGBack to article page