PMID- 27436547 OWN - NLM STAT- MEDLINE DCOM- 20170818 LR - 20171105 IS - 1522-2683 (Electronic) IS - 0173-0835 (Linking) VI - 37 IP - 19 DP - 2016 Oct TI - Molecularly imprinted polymers for dispersive solid-phase extraction of phenolic compounds in aqueous samples coupled with capillary electrophoresis. PG - 2487-2495 LID - 10.1002/elps.201600119 [doi] AB - A simple and sensitive method for the simultaneous determination of seven phenolic compounds in aqueous samples was developed by dispersive solid-phase extraction (DSPE) coupled with capillary electrophoresis (CE), namely phenol, 4-chlorophenol (4-CP), pentachlorophenol (PCP), 2,4,6-trichlorophenol (2,4,6-TCP), 2,4-dichlorophenol (2,4-DCP), 2-chlorophenol (2-CP) and 2,6-dichlorophenol (2,6-DCP). Molecularly imprinted polymers (MIPs) prepared by precipitation polymerization with 2,4,6-trichlorophenol (2,4,6-TCP) as template were used as DSPE sorbents to selectively adsorb the phenols. Various parameters affecting the extraction efficiency were evaluated and excellent CE separation was achieved within 13.5 min by using 15 mmol/L borate buffer containing 15% (v/v) methanol at pH = 9.8. Under the optimized conditions, good linearity was obtained in the range of 2-200 mug/L for phenol, 2,4-DCP and 2,6-DCP, 2-300 mug/L for 4-CP and 2-CP, 1.5-150 mug/L for PCP, and 2-400 mug/L for 2,4,6-TCP, with the correlation coefficient (R(2) ) higher than 0.9938. Limits of detection and limits of quantification were in the range of 0.18-0.44 mug/L and 0.59-1.45 mug/L, respectively. The developed MIPs-DSPE-CE method was also successfully applied to determine the seven phenolic compounds in lake, tap, seawater and tannery wastewater. The average recoveries at three different spiked levels ranged from 70.75 to 106.7% with the relative standard deviations of 1.15-6.28%. CI - (c) 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. FAU - Lu, Wenhui AU - Lu W AD - National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu, P. R. China. AD - Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, P. R. China. FAU - Ming, Weina AU - Ming W AD - Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, P. R. China. FAU - Zhang, Xinshen AU - Zhang X AD - National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu, P. R. China. zhangxinshen@126.com. AD - State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University, Chengdu, P. R. China. zhangxinshen@126.com. FAU - Chen, Lingxin AU - Chen L AD - Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, P. R. China. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20160815 PL - Germany TA - Electrophoresis JT - Electrophoresis JID - 8204476 RN - 0 (Phenols) RN - 0 (Water Pollutants, Chemical) SB - IM MH - Electrophoresis, Capillary/methods MH - Limit of Detection MH - Linear Models MH - Molecular Imprinting/*methods MH - Phenols/analysis/chemistry/*isolation & purification MH - Reproducibility of Results MH - Solid Phase Extraction/*methods MH - Water Pollutants, Chemical/analysis/chemistry/*isolation & purification OTO - NOTNLM OT - Aqueous samples OT - Capillary electrophoresis OT - Dispersive solid-phase extraction OT - Molecularly imprinted polymers OT - Phenolic compounds EDAT- 2016/07/21 06:00 MHDA- 2017/08/19 06:00 CRDT- 2016/07/21 06:00 PHST- 2016/03/13 00:00 [received] PHST- 2016/05/20 00:00 [revised] PHST- 2016/07/13 00:00 [accepted] PHST- 2016/07/21 06:00 [pubmed] PHST- 2017/08/19 06:00 [medline] PHST- 2016/07/21 06:00 [entrez] AID - 10.1002/elps.201600119 [doi] PST - ppublish SO - Electrophoresis. 2016 Oct;37(19):2487-2495. doi: 10.1002/elps.201600119. Epub 2016 Aug 15.