Sample Type:Serum,plasma,tissue homogenates,cell lysates,cerebrospinal fluid,cell culture supernates and other biological fluidsIntended Use:CLIA Kit for Beta-Endorphin (bEP)Range:7.81-2000pg/mlSpecificity:RatStorage and Stability:Store powder at 4°C liquid at -20°C. Store other components at 4°C. Stable for at least 6 months For maximum recovery of product,centrifuge the original vial after thawing and prior to removing the cap.