The PI3-Kinase Activity Fluorescence Polarization Assay determines PI3-K activity through quantification of its product, PI(3,4,5)P3 (PIP3).Sample Type: in vitro determination of PI3-K activity in cancer tissues and cell lines and compound screening for drug discoverySample Volume: 2.5-5.0 L enzyme / inhibitorAssay Range: 0.0625 M to 4.0 M This item is non returnable