Nerve Growth Factor (NGF) BioAssay ELISA Kit (Bovine) is a sandwich enzyme immunoassay for the in vitro quantitative measurement of bovine NGF in serum, plasma and other biological fluids.Detection Range:125-8,000 pg/mlSensitivity: 30 pg/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.