Hemoglobin Beta (HBb) BioAssay ELISA Kit (Human) is a competitive inhibition enzyme immunoassay technique for the in vitro quantitative measurement of HBb in human serum, plasma, erythrocyte lysates.Detection Range:1.23-100ug/mlSensitivity:0.47ug/mlStorage and Stability:Desiccation recommended. The Standard, Detection Reagent A, Detection Reagent B and the 96-well strip plate should be stored at -20°C upon receipt. Store all other reagents at 4°C. Stable for 6 months after receipt of order.