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J Chromatogr B Biomed Sci Appl. 2000 Apr 14;740(2):141-57.

Electrospray ionisation-mass spectrometric characterisation of selected anti-psychotic drugs and their detection and determination in human hair samples by liquid chromatography-tandem mass spectrometry.

Author information

1
School of ABCS, University of Ulster, Coleraine, Northern Ireland, UK.

Abstract

Electrospray ionisation quadrupole ion-trap mass spectrometric (ESI-MS) characterisation of the anti-psychotic drugs chlorpromazine, trifluoperazine, flupenthixol, risperidone and the antidepressant/internal standard trimipramine is presented and possible mechanisms for the observed MSn fragmentation patterns proposed. A validated liquid chromatography (LC)-MS-MS method is then applied to the detection and determination of these drugs in the hair of a patient under clinical treatment for schizophrenia. Chlorpromazine, trifluoperazine and flupenthixol are identified and determined in this hair sample following alkaline degradation of the matrix, solvent extraction and LC-MS-MS using trimipramine as internal standard.

PMID:
10821400
DOI:
10.1016/s0378-4347(00)00038-4
[Indexed for MEDLINE]

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