For quantitative determination of oxaloacetate and evaluation of drug effects on its metabolism. Key Features: Sensitive and accurate. Linear detection range: 7 to 400 µ M oxaloacetate for colorimetric assays and 1 to 40 µ M for fluorimetric assays. Method: OD570nm, or FL530/585nm. Samples: Plasma, serum, tissue and culture media. Species: All. Procedure: Assay takes 20 min. Kit size: 100 tests. Detection limit: OD, FL: 4, 1 µ M.