Apolipoprotein A4 (APOA4) BioAssay ELISA Kit (Rat) is a sandwich enzyme immunoassay for in vitro quantitative measurement of APOA4 in rat serum, plasma and other biological fluids.Detection Range:7.8-500ng/mlSensitivity:2.7ng/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.