Sample Type:Serum,plasma and other biological fluidsIntended Use:CLIA Kit for Estrone (E1)Range:23.44-6000pg/mlSpecificity:GeneralStorage 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.