期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jchromb.2006.09.032
关键词
chromaffin cell secretion; neurotransmitters determination; HPLC-MS; mipafox; catecholamine
This method simultaneously determines epinephrine, norepinephrine, dopamine and 5-hydroxytryptamme by FIPLC coupled to atmospheric pressure chemical ionization mass spectrometry, using bovine chromaffin cells to test xenobiotic neurotoxicity and the secretion alterations of these neurotransmitters as endpoint. Chromatographic separation was developed by injecting the sample without previous treatment into a reversed-phase column. The signal was recorded in selected ion mode. The lowest limit of detection was found for hydroxytryptamine, while the highest limit was for norepinephrine. The feasibility of the proposed method was checked by performing measurements of neurotraDsmitters during the assessment the effect of mipafox on the basal and potassium-induced secretions of chromaffin cell cultures. (c) 2006 Elsevier B.V. All rights reserved.
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