PMID- 25001335 OWN - NLM STAT- MEDLINE DCOM- 20140926 LR - 20161125 IS - 1873-3778 (Electronic) IS - 0021-9673 (Linking) VI - 1356 DP - 2014 Aug 22 TI - Sorptive extraction using polydimethylsiloxane/metal-organic framework coated stir bars coupled with high performance liquid chromatography-fluorescence detection for the determination of polycyclic aromatic hydrocarbons in environmental water samples. PG - 45-53 LID - S0021-9673(14)00988-1 [pii] LID - 10.1016/j.chroma.2014.06.062 [doi] AB - In this work, metal-organic frameworks (MOFs, Al-MIL-53-NH(2)) were synthesized via the hydrothermal method, and novel polydimethylsiloxane/metal-organic framework (PDMS/MOFs, PDMS/Al-MIL-53-NH(2))-coated stir bars were prepared by the sol-gel technique. The preparation reproducibility of the PDMS/MOFs-coated stir bar was good, with relative standard deviations (RSDs) ranging from 4.8% to 14.9% (n=7) within one batch and from 6.2% to 16.9% (n=6) among different batches. Based on this fact, a new method of PDMS/MOFs-coated stir bar sorptive extraction (SBSE) and ultrasonic-assisted liquid desorption (UALD) coupled with high performance liquid chromatography-fluorescence detection (HPLC-FLD) was developed for the determination of polycyclic aromatic hydrocarbons (PAHs) in environmental water samples. To obtain the best extraction performance for PAHs, several parameters affecting SBSE, such as extraction time, stirring rate, and extraction temperature, were investigated. Under optimal experimental conditions, wide linear ranges and good RSDs (n=7) were obtained. With enrichment factors (EFs) of 16.1- to 88.9-fold (theoretical EF, 142-fold), the limits of detection (LODs, S/N=3) of the developed method for the target PAHs were found to be in the range of 0.05-2.94 ng/L. The developed method was successfully applied to the analysis of PAHs in Yangtze River and East Lake water samples. CI - Copyright (c) 2014 Elsevier B.V. All rights reserved. FAU - Hu, Cong AU - Hu C AD - Key Laboratory of Analytical Chemistry for Biology and Medicine, Ministry of Education, Department of Chemistry, Wuhan University, Wuhan 430072, China. FAU - He, Man AU - He M AD - Key Laboratory of Analytical Chemistry for Biology and Medicine, Ministry of Education, Department of Chemistry, Wuhan University, Wuhan 430072, China. FAU - Chen, Beibei AU - Chen B AD - Key Laboratory of Analytical Chemistry for Biology and Medicine, Ministry of Education, Department of Chemistry, Wuhan University, Wuhan 430072, China. FAU - Zhong, Cheng AU - Zhong C AD - Key Laboratory of Analytical Chemistry for Biology and Medicine, Ministry of Education, Department of Chemistry, Wuhan University, Wuhan 430072, China. FAU - Hu, Bin AU - Hu B AD - Key Laboratory of Analytical Chemistry for Biology and Medicine, Ministry of Education, Department of Chemistry, Wuhan University, Wuhan 430072, China. Electronic address: binhu@whu.edu.cn. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20140624 PL - Netherlands TA - J Chromatogr A JT - Journal of chromatography. A JID - 9318488 RN - 0 (Coordination Complexes) RN - 0 (Dimethylpolysiloxanes) RN - 0 (Polycyclic Aromatic Hydrocarbons) RN - 0 (Water Pollutants, Chemical) RN - 63148-62-9 (baysilon) RN - CPD4NFA903 (Aluminum) SB - IM MH - Adsorption MH - Aluminum/*chemistry MH - China MH - Chromatography, High Pressure Liquid MH - Coordination Complexes/chemistry MH - Dimethylpolysiloxanes/*chemistry MH - Fluorometry MH - Hydrogen-Ion Concentration MH - Lakes MH - Limit of Detection MH - Liquid-Liquid Extraction/instrumentation MH - Polycyclic Aromatic Hydrocarbons/analysis/*isolation & purification MH - Reproducibility of Results MH - Rivers MH - Signal-To-Noise Ratio MH - Sound MH - Water Pollutants, Chemical/analysis/*isolation & purification OTO - NOTNLM OT - Environmental water samples OT - High performance liquid chromatography-fluorescence detection OT - Metal-organic frameworks (MOFs, Al-MIL-53-NH(2)) OT - Polycyclic aromatic hydrocarbons OT - Stir bar sorptive extraction EDAT- 2014/07/09 06:00 MHDA- 2014/09/27 06:00 CRDT- 2014/07/09 06:00 PHST- 2014/04/08 00:00 [received] PHST- 2014/06/19 00:00 [revised] PHST- 2014/06/19 00:00 [accepted] PHST- 2014/07/09 06:00 [entrez] PHST- 2014/07/09 06:00 [pubmed] PHST- 2014/09/27 06:00 [medline] AID - S0021-9673(14)00988-1 [pii] AID - 10.1016/j.chroma.2014.06.062 [doi] PST - ppublish SO - J Chromatogr A. 2014 Aug 22;1356:45-53. doi: 10.1016/j.chroma.2014.06.062. Epub 2014 Jun 24.