Immunoglobulin A2 (IgA2) BioAssay ELISA Kit (Human) is a sandwich enzyme immunoassay for in vitro quantitative measurement of IgA2 in human serum, plasma, saliva and other biological fluids.Detection Range:7.8-500ng/mlSensitivity:2.9ng/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.