The Human OPN polyclonal antibody is labeled and has been qualified for use in ELISA. It is the detection antibody in the Kingfisher Human OPN ELISA. The Human OPN antibody was produced in rabbits and is antigen-affinity purified. The reactivity by species is: (Human OPN - Strong) (Bovine OPN - None) (Caprine OPN - None) (Swine OPN - None). For research use only. Made in the USA