PMID- 19359792 OWN - NLM STAT- MEDLINE DCOM- 20090608 LR - 20190827 IS - 1348-2246 (Electronic) IS - 0910-6340 (Linking) VI - 25 IP - 4 DP - 2009 Apr TI - Ecstasy analysis by monolithic materials-capillary electrochromatography. PG - 517-22 AB - Monolithic columns were successfully prepared and used with capillary electrochromatography for the analysis of 3,4-methylenedioxymethamphetamine (MDMA) in ecstasy tablets and its metabolites in urine samples. Cationic and neutral monolith columns provided better efficiencies than anionic monoliths. The neutral butyl methacrylate (BMA) monolith column provided symmetrical peaks with the highest efficiency, high resolution and short analysis times. The developed method using BMA monolithic column provided the detection limits for MDMA and its metabolites at 1 microg mL(-1) with excellent intra-day and inter-day precision and linearity from 7.5 to 100 microg mL(-1) (R(2) > or = 0.99). MDMA was found as the main component in ecstasy tablets while 4-hydroxy-3-methoxymethamphetamine as the major metabolite in urine samples. High recoveries (97% for MDMA from tablets and 84-102% for its metabolites from urine samples) were obtained using simple ultrasonic extraction for ecstasy tablets and liquid-liquid extraction for urine samples. FAU - Choodum, Aree AU - Choodum A AD - Trace Analysis and Biosensor Research Center, Department of Chemistry, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand. FAU - Thavarungkul, Panote AU - Thavarungkul P FAU - Kanatharana, Proespichaya AU - Kanatharana P FAU - Smith, Norman W AU - Smith NW LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - Switzerland TA - Anal Sci JT - Analytical sciences : the international journal of the Japan Society for Analytical Chemistry JID - 8511078 RN - 0 (Tablets) RN - 4764-17-4 (3,4-Methylenedioxyamphetamine) RN - KE1SEN21RM (N-Methyl-3,4-methylenedioxyamphetamine) SB - IM MH - 3,4-Methylenedioxyamphetamine/analysis/isolation & purification/metabolism/urine MH - Capillary Electrochromatography MH - Electroosmosis MH - Humans MH - Hydrogen-Ion Concentration MH - Microscopy, Electron, Scanning MH - N-Methyl-3,4-methylenedioxyamphetamine/*analysis/isolation & purification/metabolism/urine MH - Osmolar Concentration MH - Reproducibility of Results MH - Tablets MH - Time Factors EDAT- 2009/04/11 09:00 MHDA- 2009/06/09 09:00 CRDT- 2009/04/11 09:00 PHST- 2009/04/11 09:00 [entrez] PHST- 2009/04/11 09:00 [pubmed] PHST- 2009/06/09 09:00 [medline] AID - JST.JSTAGE/analsci/25.517 [pii] AID - 10.2116/analsci.25.517 [doi] PST - ppublish SO - Anal Sci. 2009 Apr;25(4):517-22. doi: 10.2116/analsci.25.517.