A polyclonal antibody for detection of Amyloid-Beta from Human, Mouse, Rat. This Amyloid-Beta antibody is for WB, IF, IHC-P, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from Amyloid-? at AA range: 221-270