Abstract
AbstractElectrooxidation of dopamine in the absence and presence of morpholine as a nucleophile was investigated on a gold electrode in phosphate buffer, pH 7. The results have shown that electrochemically produced dopaminoquinone undergoes an attack by morpholine via 1,4‐Michael addition. The reaction products have been identified by electrospray ionization mass spectrometry (ESI‐MS). The procedure used is suitable for quantitative dopamine determination in the presence of the ascorbic acid excess at a unmodified gold electrode.
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