For rapid quantitative determination of cytotoxicity based on lactate dehydrogenase released into cell culture medium. Evaluation of toxic compounds, toxins, detergents, environmental pollutants and physical treatment on cell lysis. Key Features: Safe. Non-radioactive assay (cf. chromium release assay) . Fast. The whole procedure take 20 min. Robust and amenable to HTS. Single reagent, "mix-incubate-measure" type assay. High-throughput assay in 96-well plates allows simultaneous processing tens of thousands of samples per day. Method: OD500nm. Samples: Cell culture. Species: All. Procedure: Assay takes 20 min. Kit size: 100 tests.