Haptoglobin (Hp) is a blood plasma protein that forms high affinity complexes with free haemoglobin that is released from erythrocytes. In haemolytic anaemia, haptoglobin levels decrease as high levels of haemoglobin are released from the lysed erythrocytes.Source:Human plasmaApplications: Suitable for use in ELISA. Other applications not tested.Recommended Dilution:Optimal dilutions to be determined by the researcher.Storage and Stability:May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.