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Forensic Analysis of Eleven Cyclic Antidepressants in Human Biological Samples Using a New Reversed-Phase Chromatographic Column of 2 Microm Porous Microspherical Silica Gel

Forensic Analysis of Eleven Cyclic Antidepressants in Human Biological Samples Using a New Reversed-Phase Chromatographic Column of 2 Microm Porous Microspherical Silica Gel

E Tanaka, M Terada, T Nakamura, S Misawa, C Wakasugi

J Chromatogr B Biomed Sci Appl. 1997 May 9;692(2):405-12.

PMID: 9188830

Abstract:

A high-performance liquid chromatographic method has been developed for the forensic analysis of eleven frequently used cyclic antidepressant drugs (ADSs) (amitriptyline, amoxapine, clomipramine, desipramine, dosulepine, doxepin, imipramine, maprotiline, melitracen, mianserine and nortriptyline) using a recently developed reversed-phase column with 2 microm particles for the analysis of biological samples. The separation was carried out using two different C8 reversed-phase columns (column 1: 100 mm X 4.6 mm I.D., particle size 2 microm, TSK gel Super-Octyl; column 2: 100 mm X 4.6 mm I.D., particle size 5 microm, Hypersil MOS-C8) for comparison. The mobile phase was composed of methanol-20 mM KH2PO4 (pH 7) (60:40, v/v) and the flow-rate was 0.6 ml/min for both columns. The absorbance of the eluent was monitored at 254 nm. When the eleven drugs were determined, the sensitivity with the 2 microm particles was about five times greater than with the 5 microm particles. Retention times on column 1 were shorter than those on column 2. These results show that the new ODS column packing with a particle size of 2 microm gives higher sensitivity and a shorter analysis time than the conventional ODS column packing when applied to the analysis of biological samples.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LPLC81604	Silica gel C8-Reversed phase			Price

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