For quantitative determination of urease activity and evaluation/screen for urease inhibitors. Key Features: Safe. Non-radioactive assay. Sensitive and accurate. As low as 0.003 U/L urease activity can be quantified. Homogeneous and convenient. "Mix-incubate-measure" type assay. No wash and reagent transfer steps are involved. Robust and amenable to HTS: can be readily automated on HTS liquid handling systems for processing thousands of samples per day. Method: OD670nm. Samples: Biological, environment etc. Species: All. Procedure: Assay takes 40 min. Kit size: 100 tests. Detection limit: 0.003 U/L.