Fig. 1From: Bioscreening and expression of a camel anti-CTGF VHH nanobody and its renaturation by a novel dialysis–dilution methodSchematics presentation of VHH library construction. cDNAs of A conventional antibody, B heavy chain antibody and their RT-PCR products of a and b. The VHH gene (b1) was obtained by another round of PCRBack to article page