Sample Type:Tissue homogenates,cell lysates and other biological fluids.Intended Use:BioAssay ELISA Kit for Bruton'S Tyrosine Kinase (Btk) in tissue homogenates,cell lysates and other biological fluids.Range:0.156-10ng/mlSpecificity:MouseStorage 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.