Journal
CHROMATOGRAPHIA
Volume 73, Issue 7-8, Pages 749-754Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s10337-011-1919-4
Keywords
Column liquid chromatography-mass spectrometry; NA-HILIC; Serum; Sertraline; Norsertraline
Funding
- FDA Office of Women's Health
- NIMH
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A sensitive liquid chromatography-mass spectrometry method for the simultaneous determination of sertraline (SER) and its major metabolite norsertraline (NOR) from serum was developed and validated in the context of a pharmacokinetic study in pregnant women. The separations were achieved on a silica column with a non-aqueous polar mobile phase consisting of acetonitrile, methanol and ammonium acetate at a flow rate of 0.5 mL min(-1). The concentrations were measured using a single quadruple mass spectroscopic detector supplied with atmospheric pressure ionization electrospray. Sample preparation consisted of a simple liquid-liquid procedure. The detector was set in selective ion mode for each compound of interest, 306 m/z for SER and 275 m/z for NOR. Calibration curves were generated by least square linear regression for concentration of 5-160 ng mL(-1) for SER and from 10 to 320 ng mL(-1) for NOR. The curves for both compounds of interest were linear, with correlation coefficients r (2) a parts per thousand yen 0.999.
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