For quantitative determination of L-phenylalanine and evaluation of drug effects on its metabolism. Key Features: Safe. Non-radioactive assay. Sensitive and accurate. Linear detection range of 2 - 300 µ M L-phenylalanine. Convenient and high-throughput. Homogeneous "mix-incubate-measure" type assay. No wash and reagent transfer steps are involved. Can be readily automated on HTS liquid handling systems for processing thousands of samples per day. Method: FL530/595nm. Samples: Serum, urine etc. Species: All. Procedure: Assay takes 30 min. Kit size: 100 tests. Detection limit: 2 µ M.