For quantitative determination of catalase activity and evaluation of drug effects on catalase activity. Key Features: Sensitive and accurate. Use 10 µ L sample. Linear detection range 0.2 to 5 U/L catalase activity. Simple and Convenient. The procedure involves adding a Substrate to sample, incubation for 30 min, followed by a Detection Reagent and reading the optical density or fluorescence intensity. Method: OD570nm, or FL530/585nm. Samples: Serum, plasma, urine, saliva, cell culture etc. Species: All. Procedure: Assay takes 40 min. Kit size: 100 tests. Detection limit: 0.2 U/L.