Selective determination of haloperidol in human serum: surface ionization mass spectrometry and gas chromatography with surface ionization detection

Surface ionization organic mass spectrometry (SIOMS) has been performed on the clinically important drug haloperidol using quadrupole mass spectrometry in which the thermal ion source has a rhenium oxide emitter. The surface ionization (SI) mass spectrum is presented, interpreted in a purely empiric...

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Bibliographic Details
Published in:Journal of chromatography. B, Biomedical applications Biomedical applications, 1996-12, Vol.687 (2), p.395-403
Main Authors: Fujii, Toshihiro, Hatanaka, Kazuhiro, Sato, Gen, Yasui, Yumi, Arimoto, Hiromi, Mitsutsuka, Yoshihiro
Format: Article
Language:English
Subjects:
Analysis
Biological and medical sciences
Chromatography, Gas - methods
General pharmacology
Haloperidol
Haloperidol - blood
Humans
Ions
Mass Spectrometry - methods
Medical sciences
Pharmacology. Drug treatments
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Summary:Surface ionization organic mass spectrometry (SIOMS) has been performed on the clinically important drug haloperidol using quadrupole mass spectrometry in which the thermal ion source has a rhenium oxide emitter. The surface ionization (SI) mass spectrum is presented, interpreted in a purely empirical way by means of evidence from previous investigations, and then compared to results from conventional electron impact (EI) ionization. An approach to detection of this drug in serum by gas chromatography (GC) with a surface ionization detector (SID) and GC-SIOMS is described. This approach demonstrates that (a) haloperidol is efficiently surface-ionized, giving a unique SI mass spectrum, (b) experimental results rationalize the combined sensitivity and selectivity of the GC-SID for the examined drug, (c) the detection limit for haloperidol in serum is 1.1 ng/ml ( S/ N = 3) by GC-SID (the coefficients of variation of the assay are generally low, i.e. below 8.5%) and (d) the GC-SIOMS coupling can be used for sensitive and selective detection of haloperidol in serum.
ISSN:0378-4347
1572-6495
DOI:10.1016/S0378-4347(96)00243-5