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  • Title: Micellar liquid chromatography determination of some biogenic amines with electrochemical detection.
    Author: Bose D, Durgbanshi A, Capella-Peiró ME, Gil-Agustí M, Esteve-Romero J, Carda-Broch S, Martinavarro-Domínguez A.
    Journal: J Pharm Biomed Anal; 2004 Oct 29; 36(2):357-63. PubMed ID: 15496329.
    Abstract:
    A simple and reliable liquid chromatographic procedure is successfully applied to the simultaneous determination of the biogenic amines, dopamine, serotonin, their metabolites (homovalinic acid (HVA) and hydroxyindoleacetic acid (HIAA)) as well as tyramine in serum samples. After an optimization procedure using a C18 column, the mobile phase selected was 0.15 M sodium dodecyl sulfate buffered at pH 3, in which the serum samples were directly injected and the analysis time for the five substances was less than 12 min. The use of electrochemical (ED) and ultraviolet (UV) detection was compared. The limits of detection of the biogenic amines studied were drastically improved using ED detection. Repeatability and intermediate precision were tested at three different concentrations and the relative standard deviations were below 1.5% for most assays. Finally, the method was successfully applied to the determination of biogenic amines in serum samples.
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