Detailed Information on Publication Record
2016
Rapid Screening of Acetylcholinesterase Inhibitors by Effect-Directed Analysis Using LC x LC Fractionation, a High Throughput in Vitro Assay, and Parallel Identification by Time of Flight Mass Spectrometry
OUYANG, Xiyu, Pim E. G. LEONARDS, Zuzana TOUŠOVÁ, Jaroslav SLOBODNÍK, Jacob DE BOER et. al.Basic information
Original name
Rapid Screening of Acetylcholinesterase Inhibitors by Effect-Directed Analysis Using LC x LC Fractionation, a High Throughput in Vitro Assay, and Parallel Identification by Time of Flight Mass Spectrometry
Authors
OUYANG, Xiyu (528 Netherlands), Pim E. G. LEONARDS (528 Netherlands), Zuzana TOUŠOVÁ (203 Czech Republic, guarantor, belonging to the institution), Jaroslav SLOBODNÍK (703 Slovakia), Jacob DE BOER (528 Netherlands) and Marja H. LAMOREET (528 Netherlands)
Edition
Analytical Chemistry, WASHINGTON, AMER CHEMICAL SOC, 2016, 0003-2700
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
10406 Analytical chemistry
Country of publisher
United States of America
Confidentiality degree
není předmětem státního či obchodního tajemství
References:
Impact factor
Impact factor: 6.320
RIV identification code
RIV/00216224:14310/16:00089984
Organization unit
Faculty of Science
UT WoS
000370454000053
Keywords in English
2-DIMENSIONAL LIQUID-CHROMATOGRAPHY; CARBAMATE INSECTICIDES; TOXICANTS; MIXTURES; POTENCY; SAMPLES
Tags
International impact, Reviewed
Změněno: 3/3/2017 07:29, Mgr. Michaela Hylsová, Ph.D.
Abstract
V originále
Effect-directed analysis (EDA) is a useful tool to identify bioactive compounds in complex samples. However, identification in EDA is usually challenging, mainly due to limited separation power of the liquid chromatography based fractionation. In this study, comprehensive two-dimensional liquid chromatography (LC X LC) based microfractionation combined with parallel high resolution time of flight (HR-ToF) mass spectrometric detection and a high throughput acetylcholinesterase (AChE) assay was developed. The LC x LC fractionation method was validated using analytical standards and a C18 and pentafluorophenyl (PFP) stationary phase combination was selected for the two-dimensional separation and fractionation in four 96-well plates. The method was successfully applied to identify AChE inhibitors in a wastewater treatment plant (WWTP) effluent. Good orthogonality (>0.9) separation was achieved and three AChE inhibitors (tiapride, amisulpride, and lamotrigine), used as antipsychotic medicines, were identified and confirmed by two-dimensional retention alignment as well as their AChE inhibition activity.