For quantitative determination of phospholipase D activity and evaluation of drug effects on phospholipase D metabolism. Key Features: Sensitive. Use 10 µ L samples. Detection range: colorimetric assay 0.06 - 10 U/L, fluorimetric assay 0.04 - 1 U/L. Simple and High-throughput: the assay involves addition of a single working reagent and can be readily adapted to high-throughput assays for drug screening. Method: OD570nm, or FL530/585nm. Samples: Biological. Species: All. Procedure: Assay takes 30 min. Kit size: 100 tests. Detection limit: 0.04 U/L.