The Ansh Labs' Activin B ELISA is a quantitative three-step sandwich immunoassay. Activin B exhibits a wide range of biological activities, including regulation of embryogenesis, osteogenesis, hematopoiesis, reproductive physiology and hormone secretion from the hypothalamic, pituitary and gonadal glands. This monoclonal antibody pair used in the assay detects Activin B. Other related molecules like Activin A and Activin AB did not show any significant cross-reactivity. This monoclonal antibody pair recognizes other species such as Rabbit, Goat, Sheep, Mouse, Bovine, Canine, Equine and Fish. Wide dynamic range of 12.7-1400 pg/mL. Sensitive to 4.35 pg/mL. Ansh Labs is an FDA registered manufacturer of diagnostic test kits, antibodies, antigens, and proteins.