For quantitative determination of aspartate transaminase (AST) activity and evaluation of drug effects on AST activity. Key Features: Sensitive. Linear detection range: 2-100 U/L. Simple and convenient. This simple, convenient assay can be carried out in a microplate or a cuvette and takes only 10 min. Method: OD340nm. Samples: Serum, plasma etc. Species: All. Procedure: Assay takes 10 min. Kit size: 100 tests. Detection limit: 2 U/L.