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  • Title: A rapid assay for neurotransmitter amino acids, aspartate, glutamate, glycine, taurine and gamma-aminobutyric acid in the brain by high-performance liquid chromatography with electrochemical detection.
    Author: Murai S, Saito H, Abe E, Masuda Y, Itoh T.
    Journal: J Neural Transm Gen Sect; 1992; 87(2):145-53. PubMed ID: 1348420.
    Abstract:
    For simultaneous assay of the five neurotransmitter amino acids, Asp, Glu, Gly, Tau, and GABA in brain tissues, a very rapid and simple chromatographic method using high-performance liquid chromatography with electrochemical detection in combination with o-phthalaldehyde derivatization is described. Because the present method permits the determination of these five amino acids within less than five minutes in one chromatographic run, up to 100 samples a working day can be analyzed using an autosampler. Within-run coefficients of variation for these five amino acids were less than 2% (n = 20). The quantitative detection limit was 2.5 pmol for the 5 amino acids. The present method has been applied to the measurement of the five amino acid neurotransmitter levels in several discrete brain regions of mice treated with and without electroconvulsive shock.
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