A polyclonal antibody for detection of IL-12B p40 from Human. This IL-12B p40 antibody is for WB, IHC-P, ELISA. It is affinity-purified from rabbit serum by affinity-chromatography using the specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from part region of human IL-12B p40 protein at amino acid sequence of 241-290