The Ansh Labs' picoPAPP-A ELISA kit is a quantitative two-step sandwich immunoassay. Calibrators are prepared using dimeric PAPP-A and calibrated to WHO (78/610) preparation. Wide dynamic range of 0.1 - 10 ng/mL. Sensitive to 0.037 ng/mL. Total 3 hour incubation at room temperature. Long shelf life of 24 months. The antibody pair used in the picoPAPP-A ELISA measures dimeric recombinant PAPP-A and PAPP-A/proMBP complex in equimolar concentrations. picoPAPP-A is useful in detection at low concentrations of Pregnancy Associated Plasma Protein A for studies of non-pregnant physiological states, pregnancy, dysfunctions of placental formation, certain cancers, and cardiovascular disease. For Research Use Only within the United States. Ansh Labs, located just south of Houston Texas, is an FDA registered manufacturer of diagnostic test kits, antibodies, antigens, and proteins.