HPLC with an electrochemical detector (ECD). This detector is based on an oxidation-reduction reaction and generates an electric current that is proportional to the concentration of a compound with redox potential. The detector has often a very high sensitivity and is suitable for compounds such as catecholamines and their metabolites, serotonin and metabolites, levodopa, carbidopa and metabolites, vitamins (e.g. vitamin D and E) and a large number of other compounds (cf. www.esainc.com).
Life Science Laboratories i Uppsala AB, Laboratories: Emmy Rappes väg 10, 75643 Uppsala; Office: Rosenvägen 6, 75652 Uppsala
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