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Title: Determination of ticlopidine in human plasma by capillary gas chromatography with ion trap detection
Authors: Pena, Angelina 
Lino, Celeste 
Silveira, M. Irene N. 
Keywords: Ticlopidine; Human plasma; Gas chromatography-mass spectrometric detection
Issue Date: 2003
Citation: Journal of Pharmaceutical and Biomedical Analysis. 32:4-5 (2003) 879-885
Abstract: A gas chromatographic method for determination of ticlopidine in human plasma using mass spectrometric detection was developed. A Perkin Elmer model 8500 gas chromatograph coupled to an ion trap detector (ITD) in electron impact mode (EI) was used. The gas chromatograph was fitted with a 30 m×0.32 mm i.d., DB-17 capillary column with a film thickness of 0.25 [mu]m. The compounds were isolated from plasma by Extrelut-1 solid-phase extraction using hexane as the solvent of elution. The detection and quantification limits for this method were 0.005 and 0.01 [mu]g/ml, respectively. The calibration curves were linear from 0.01 and 2.5 [mu]g/ml. Recoveries from human plasma spiked at 0.01 and 2.0 [mu]g/ml ranged from 84.4 and 87.3%. The coefficient of variation (CV) was between 5.1 and 6.9%. The results show that the sensitivity, accuracy and precision of the method are adequate for the determination of ticlopidine in human plasma samples. The ITD in SIM mode allows the unequivocal identification of ticlopidine. The suitability of this method was evaluated in the determination of ticlopidine in plasma from healthy volunteers following oral administration of a dose of 500 mg/day.
DOI: 10.1016/S0731-7085(03)00190-0
Rights: openAccess
Appears in Collections:FFUC- Artigos em Revistas Internacionais

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