Journal
MICROCHIMICA ACTA
Volume 177, Issue 1-2, Pages 75-80Publisher
SPRINGER WIEN
DOI: 10.1007/s00604-011-0755-4
Keywords
Amperometric detection; Biogenic amines; Buffer modifier; 18-crown-6; Capillary zone electrophoresis
Categories
Funding
- National Science Foundation of China [20875032]
- Special Funds for the Development of Major Scientific Instruments and Equipment [2011YQ15007205]
- Fundamental Research Funds for the Central Universities
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We report on a method for the determination of the biogenic amines (BAs) spermine, spermidine, histamine, cadaverine, beta-phenylethylamine, tyramine and tryptamine. It is based on capillary zone electrophoresis in the presence of 18-crown-6 (180 mM), and is making use of amperometric detection. Under optimized conditions, seven BAs could be well separated within 29 min at a separation voltage of 14 kV in a buffer solution of pH 3.6. The limits of detection for seven BAs are around 10 ng.mL(-1) for standard mixtures. The method does not require preconcentration and derivatization steps, and thus provides an attractive alternative to quantitative multi-analysis of BAs in water samples.
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