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Elia S, Stylianou M, Agapiou A. Advanced micro-extraction techniques (SPME, HiSorb) for the determination of goat cheese whey wastewater VOCs. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 351:119934. [PMID: 38176384 DOI: 10.1016/j.jenvman.2023.119934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/28/2023] [Accepted: 12/23/2023] [Indexed: 01/06/2024]
Abstract
HiSorb and solid-phase microextraction (SPME), two environmentally friendly micro-extraction techniques based on the same fundamental principles, were evaluated for their extraction efficiency of volatile organic compounds (VOCs) from goat cheese whey wastewater. For this purpose, a sample preparation method based on the headspace-HiSorb technique was developed and evaluated for its efficiency in terms of the amount of extracted compounds and reproducibility of results. Thermal desorption-gas chromatography/mass spectrometry (TD-GC/MS) and GC/MS analytical methods were used to perform the wastewater analysis, respectively. The experimental parameters of HiSorb were evaluated in terms of probe coating, extraction time, stirring speed, sample volume, extraction temperature and salt addition. Under optimal extraction conditions, it was observed that the use of the divinylbenzene/carbon wide range/polydimethylsiloxane (DVB/CWR/PDMS) triple coating for HiSorb and DVB/Carboxen (CAR)/PDMS for SPME, was best suited to extract a broader range of VOCs with higher peak intensities. A total of 34 VOCs were extracted and determined with the DVB/CWR/PDMS HiSorb probe, while only 23 VOCs were determined with the conventional DVB/CAR/PDMS SPME fiber. The DVB/CWR/PDMS HiSorb probe has a higher adsorbent capacity which results in a higher sensitivity for VOCs compared to the DVB/CAR/PDMS SPME fiber. Furthermore, the HiSorb technique exhibits better reproducibility, as indicated by the lower relative standard deviation (RSD) of 3.7% compared to 7.1% for SPME. Therefore, the HiSorb technique is an effective method for detecting VOCs in complex matrices, such as wastewater.
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Affiliation(s)
- Soteria Elia
- Department of Chemistry, University of Cyprus, P.O. Box 20537, Nicosia, 1678, Cyprus
| | - Marinos Stylianou
- Laboratory of Chemical Engineering and Engineering Sustainability, Faculty of Pure and Applied Sciences, Open University of Cyprus, Giannou Kranitiodi 89, 2231, Latsia, Nicosia, Cyprus
| | - Agapios Agapiou
- Department of Chemistry, University of Cyprus, P.O. Box 20537, Nicosia, 1678, Cyprus.
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2
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Piryaei M, Amirifard H, Torabbeigi M. Modified Graphenized Pencil Lead by CoNi 2S 4 Nanostructure as a SPME Fiber for Analysis of PAHs from Water Samples. Polycycl Aromat Compd 2023. [DOI: 10.1080/10406638.2022.2157451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Marzieh Piryaei
- Department of Chemistry, Faculty of Science, University of Maragheh, Maragheh, Iran
| | - Hamid Amirifard
- Department of Chemistry, Faculty of Science, University of Maragheh, Maragheh, Iran
| | - Marzieh Torabbeigi
- School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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3
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Shan J, Zhang Y, Wang J, Ren T, Jin M, Wang X. Microextraction based on microplastic followed by SERS for on-site detection of hydrophobic organic contaminants, an indicator of seawater pollution. JOURNAL OF HAZARDOUS MATERIALS 2020; 400:123202. [PMID: 32580096 DOI: 10.1016/j.jhazmat.2020.123202] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 06/05/2020] [Accepted: 06/10/2020] [Indexed: 06/11/2023]
Abstract
Microplastics (MPs) have been proven to concentrate hydrophobic organic contaminants (HOCs) from seawater as the sorbent phase, and the concentration of HOCs in aqueous solutions could be estimated from MPs preloaded with HOCs by equilibrium partition coefficient. This study firstly proposed to in situ quantify fluoranthene (a representative HOCs) pre-concentrated on MPs using surface enhance raman scattering (SERS) in combination with mathematical models, as an efficient monitoring tool for fluoranthene pollution in the aquatic environment. AgNPs-coated quartz (AgNPs@SiO2) substrate was fabricated. The SERS substrate was tested using fluoranthene standard solution with the minimal detectable concentration of 1 ng/mL achieved. Applying SERS for the detection of fluoranthene sorbed on MPs, the detection limit of fluoranthene on MPs was 3.3 ng/g, where the concentration in the corresponding equilibrium seawater was 0.97 ng/mL. Since more than one fluoranthene peak was observed, the quantitative detection was investigated by interval partial least square model. Eight characteristic peak ranges were selected to develop the model for predicting fluoranthene concentration, with R2c and R2v of 0.90 and 0.82, respectively. The study provides a promising solution to monitor trace level of contaminations in aquatic environment, using MPs as the passive sampler.
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Affiliation(s)
- Jiajia Shan
- School of Ocean Science and Technology, Dalian University of Technology, Panjin 124221, China
| | - Yituo Zhang
- School of Ocean Science and Technology, Dalian University of Technology, Panjin 124221, China
| | - Jian Wang
- School of Ocean Science and Technology, Dalian University of Technology, Panjin 124221, China
| | - Tao Ren
- School of Ocean Science and Technology, Dalian University of Technology, Panjin 124221, China
| | - Mengke Jin
- School of Ocean Science and Technology, Dalian University of Technology, Panjin 124221, China
| | - Xue Wang
- School of Ocean Science and Technology, Dalian University of Technology, Panjin 124221, China.
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4
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Environmentally friendly etching of stainless steel wire for plunger-in-needle liquid-phase microextraction of polycyclic aromatic hydrocarbons. Talanta 2019; 197:465-471. [DOI: 10.1016/j.talanta.2019.01.046] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 01/09/2019] [Accepted: 01/10/2019] [Indexed: 01/15/2023]
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5
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Xiao M, Yin X, Gai H, Ma H, Qi Y, Li K, Hua X, Sun M, Song H. Effect of hydroxypropyl-β-cyclodextrin on the cometabolism of phenol and phenanthrene by a novel Chryseobacterium sp. BIORESOURCE TECHNOLOGY 2019; 273:56-62. [PMID: 30408644 DOI: 10.1016/j.biortech.2018.10.087] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 10/30/2018] [Accepted: 10/31/2018] [Indexed: 06/08/2023]
Abstract
Cometabolic degradation is an effective method to remove the polycyclic aromatic hydrocarbons (PAHs) with phenol as growth substrate from coal chemical wastewater (CCW). Unfortunately, the toxicity and low solubility of PAHs always restrict their degradation. In this study, Chryseobacterium sp. H202 was firstly isolated from the aerobic segment of CCW. Then, to improve the cometabolic degradation of PAHs, the effects of hydroxypropyl-β-cyclodextrin (HPCD) were investigated. Phenanthrene removal was accelerated in the presence of phenol; however, the degradation of phenol was inhibited because of the toxicity of phenanthrene. Addition of 50 mg/L HPCD accelerated the degradation of phenol and effectively improved the phenanthrene removal rate by about 55%. Inclusion of HPCD appeared to increase the apparent solubility and reduce the toxicity of phenanthrene, thereby improving the cometabolic degradation of phenol and phenanthrene. Therefore, HPCD can enhance the degradation of phenanthrene with phenol as the growth substrate during CCW treatment.
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Affiliation(s)
- Meng Xiao
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Xiangyang Yin
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Hengjun Gai
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Honglei Ma
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Yanfeng Qi
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Kun Li
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Xia Hua
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Meng Sun
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China
| | - Hongbing Song
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China.
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Jillani SMS, Sajid M, Alhooshani K. Evaluation of carbon foam as an adsorbent in stir-bar supported micro-solid-phase extraction coupled with gas chromatography–mass spectrometry for the determination of polyaromatic hydrocarbons in wastewater samples. Microchem J 2019. [DOI: 10.1016/j.microc.2018.09.027] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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7
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Baktash MY, Asem Yousefi A, Bagheri H. Implementing a superhydrophobic substrate in immersed solvent-supported microextraction as a novel strategy for determination of organic pollutants in water samples. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 163:104-110. [PMID: 30041126 DOI: 10.1016/j.ecoenv.2018.07.039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Revised: 07/04/2018] [Accepted: 07/09/2018] [Indexed: 06/08/2023]
Abstract
In this research, a new approach for extraction and determination of polycyclic aromatic hydrocarbons from sea and rain water samples was developed by implementing a superhydrophobic substrate and consuming the least amount of solvent. This version of solvent-supported microextraction enabled us to perform the procedure in the immersion mode with the slightest troubles arising from water leakage into the gas chromatography. The superhydrophobic property leads to the fixation of extracting solvent on the substrate surface during water sampling. To prepare a superhydrophobic substrate, a piece of melamine foam was coated by tannic acid and silica nanoparticles using methyltrimethoxysilane and tetramethyl orthosilicate. The morphology of the prepared foams was studied by scanning electron microscopy. The developed solvent-supported microextraction method in combination with gas chromatography-mass spectrometry was applied to the isolation and determination of some typical polycyclic aromatic hydrocarbons from aquatic media. Influential parameters such as substrate nature, extractive solvent, eluting solvent and its quantity and extraction time were investigated. The limits of detection and quantification of the method under the optimized conditions were 0.01-0.11 µg L-1 and 0.03-1.01 µg L-1, respectively. The relative standard deviations at the concentration level of 20 µg L-1 were between 3% and 14% (n = 3). The linearity of calibration curves ranged from 0.03 to 60 µg L-1. The implementation of the solvent-supported method to the analysis of real water samples was quite successful and the relative recoveries were between 88% and 107%.
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Affiliation(s)
- Mohammad Yahya Baktash
- Environmental and Bio-Analytical Laboratories, Department of Chemistry Sharif University of Technology, P.O. Box 11365-9516, Tehran, Iran
| | - Aida Asem Yousefi
- Environmental and Bio-Analytical Laboratories, Department of Chemistry Sharif University of Technology, P.O. Box 11365-9516, Tehran, Iran
| | - Habib Bagheri
- Environmental and Bio-Analytical Laboratories, Department of Chemistry Sharif University of Technology, P.O. Box 11365-9516, Tehran, Iran.
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8
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Zhang M, Huang G, Huang J, Chen W. Three-dimensional multi-walled carbon nanotubes@g-C 3 N 4 @Fe 3 O 4 nanocomposites-based magnetic solid phase extraction for the determination of polycyclic aromatic hydrocarbons in water samples. Microchem J 2018. [DOI: 10.1016/j.microc.2018.04.016] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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9
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Development of a single format membrane assisted solvent extraction-molecularly imprinted polymer technique for extraction of polycyclic aromatic hydrocarbons in wastewater followed by gas chromatography mass spectrometry determination. J Chromatogr A 2018; 1569:36-43. [DOI: 10.1016/j.chroma.2018.07.061] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 07/17/2018] [Accepted: 07/24/2018] [Indexed: 11/22/2022]
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10
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Li Y, Zhang L, Wu L, Sun S, Shan H, Wang Z. Purification and enrichment of polycyclic aromatic hydrocarbons in environmental water samples by column clean-up coupled with continuous flow single drop microextraction. J Chromatogr A 2018; 1567:81-89. [DOI: 10.1016/j.chroma.2018.07.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 06/28/2018] [Accepted: 07/02/2018] [Indexed: 10/28/2022]
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11
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Valera-Tarifa NM, López-Martínez JC, Martínez Vidal JL, Garrido Frenich A. Development and validation of a GC-MS/MS method for priority polycyclic aromatic hydrocarbons quantification in different types of water samples. SEPARATION SCIENCE PLUS 2018. [DOI: 10.1002/sscp.201800098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Noelia María Valera-Tarifa
- Department of Chemistry and Physics (Analytical Chemistry Area), Andalusian Center for the Assessment and Monitoring of Global Change (CAESCG), Agrifood Campus of International Excellence ceiA3; University of Almería; Almería Spain
- Laboratorio Analítico Bioclínico LAB; PITA Almería Science and Technology Park; Almería Spain
| | - Juan Carlos López-Martínez
- Department of Chemistry and Physics (Analytical Chemistry Area), Andalusian Center for the Assessment and Monitoring of Global Change (CAESCG), Agrifood Campus of International Excellence ceiA3; University of Almería; Almería Spain
- Laboratorio Analítico Bioclínico LAB; PITA Almería Science and Technology Park; Almería Spain
| | - José Luis Martínez Vidal
- Department of Chemistry and Physics (Analytical Chemistry Area), Andalusian Center for the Assessment and Monitoring of Global Change (CAESCG), Agrifood Campus of International Excellence ceiA3; University of Almería; Almería Spain
| | - Antonia Garrido Frenich
- Department of Chemistry and Physics (Analytical Chemistry Area), Andalusian Center for the Assessment and Monitoring of Global Change (CAESCG), Agrifood Campus of International Excellence ceiA3; University of Almería; Almería Spain
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12
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González JL, Pell A, López-Mesas M, Valiente M. Hollow fibre supported liquid membrane extraction for BTEX metabolites analysis in human teeth as biomarkers. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 630:323-330. [PMID: 29482140 DOI: 10.1016/j.scitotenv.2018.02.195] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 02/06/2018] [Accepted: 02/16/2018] [Indexed: 06/08/2023]
Abstract
The use of human teeth as biomarkers has been previously applied to characterize environmental exposure mainly to metal contamination. Difficulties arise when the contaminants are volatile or its concentration level is very low. This study presents the development of a methodology based on the transport through hollow fibre membrane liquid-phase microextraction (HF-LPME), followed by HPLC-UV measurement, to determine three different metabolites of BTEX contaminants, mandelic acid (MA), hyppuric acid (HA), and methylhippuric acid (4mHA). The driving force for the liquid membrane has been studied by using both non-facilitated (pH gradient 2-12) and facilitated transport (ionic and non-ionic carriers). Enrichment factors of several hundreds were accomplished. Different ionic and non-ionic water insoluble compounds were used as metabolite carriers for the facilitated transport at HF-LPME. Three organic solvents were used to constitute the liquid membrane, dodecane, dihexyl ether and n-decanol. Other parameters affecting the extraction process, such as extraction time, stirring speed, acceptor buffer and salt content were optimised in spiked solutions and selected those that presented the best enrichment factors for all analytes. Final conditions were established for donor solution as 20mL, pH2 of 0.5M NaCl, the OLM (Organic Liquid Membrane) as n-decanol and the acceptor solution as 40μL of 1M NaOH. The selected extraction time was 20h with stirring speed of 500rpm. Validation of the optimised method included the determination of individual linearity range (MA: 0.002-5.7μg; HA: 0.01-7.9μg; 4mHA 0.002-5.3μg), limits of detection (MA: 1.6ng; HA: 0.2ng; 4mHA 0.2ng), repeatability (RSD 7-10%) and reproducibility (5-8%). The developed method was applied to the analysis of MA, HA and 4mHA in teeth samples of 8 workers exposed to BTEX.
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Affiliation(s)
- Johannes Luis González
- Centre Grup de Tècniques de Separació en Química (GTS), Química Analítica, Departament de Química, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Albert Pell
- Centre Grup de Tècniques de Separació en Química (GTS), Química Analítica, Departament de Química, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Montserrat López-Mesas
- Centre Grup de Tècniques de Separació en Química (GTS), Química Analítica, Departament de Química, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Manuel Valiente
- Centre Grup de Tècniques de Separació en Química (GTS), Química Analítica, Departament de Química, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain.
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Osorio J, Úbeda S, Aznar M, Nerín C. Analysis of isophthalaldehyde in migration samples from polyethylene terephthalate packaging. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2018; 35:1645-1652. [DOI: 10.1080/19440049.2018.1465208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Jazmín Osorio
- Analytical Chemistry Department, GUIA Group, I3A, CPS, University of Zaragoza, Zaragoza, Spain
| | - Sara Úbeda
- Analytical Chemistry Department, GUIA Group, I3A, CPS, University of Zaragoza, Zaragoza, Spain
| | - Margarita Aznar
- Analytical Chemistry Department, GUIA Group, I3A, CPS, University of Zaragoza, Zaragoza, Spain
| | - Cristina Nerín
- Analytical Chemistry Department, GUIA Group, I3A, CPS, University of Zaragoza, Zaragoza, Spain
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A Highly Sensitive Dispersive Microextraction Method with Magnetic Carbon Nanocomposites Coupled with Dispersive Liquid–Liquid Microextraction and Two Miscible Stripping Solvents Followed by GC–MS for Quantification of 16 PAHs in Environmental Samples. Chromatographia 2018. [DOI: 10.1007/s10337-018-3469-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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15
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Benedé JL, Anderson JL, Chisvert A. Trace determination of volatile polycyclic aromatic hydrocarbons in natural waters by magnetic ionic liquid-based stir bar dispersive liquid microextraction. Talanta 2018; 176:253-261. [DOI: 10.1016/j.talanta.2017.07.091] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 07/27/2017] [Accepted: 07/30/2017] [Indexed: 12/19/2022]
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López-López JA, Ogalla-Chozas E, Lara-Martín PA, Pintado-Herrera MG. Solvent bar micro-extraction (SBME) based determination of PAHs in seawater samples. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 598:58-63. [PMID: 28437771 DOI: 10.1016/j.scitotenv.2017.04.125] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 03/30/2017] [Accepted: 04/17/2017] [Indexed: 06/07/2023]
Abstract
Measuring the impact of PAHs in seawater samples is often difficult due to the low concentrations in which they appear and the complexity of the sample matrix. Traditional methods for sample preparation such as liquid-liquid extraction and solid phase extraction require the use of excessive amounts of solvents and reagents, and sample handling. In this work, hollow fiber liquid phase micro-extraction (HFLPME), in the configuration of solvent bar micro-extraction (SBME), was proposed as an environmentally friendly and more effective tool, for the extraction of the 16 priority PAHs from seawater samples. Extraction was conducted using hexane as a solvent. Enrichment factors from 45 to 163 were obtained after 60min at a stirring rate of 500rpm in the sample. Moreover, a negative linear relationship was observed between the enrichment factor and the molecular weight of the PAHs. Under optimized conditions, the limits of detection were in the range from 0.21 to 0.82ngL-1, the method showed a linear response up to 500μgL-1, and the average relative standard deviation for seawater samples spiked with 5ngL-1 was 11.6%. After calibration, the SBME was applied to extract PAHs in seawater samples from the Bay of Cadiz (SW Spain), showing an average recovery of 99%. In conclusion, the SBME is an environmentally friendly, one-step alternative for sample preparation in the determination of PAHs in seawater samples.
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Affiliation(s)
- José A López-López
- Department of Analytical Chemistry, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus de Excelencia Internacional del Mar (CEI-MAR), 11510 Puerto Real, Spain.
| | - Esther Ogalla-Chozas
- Department of Analytical Chemistry, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus de Excelencia Internacional del Mar (CEI-MAR), 11510 Puerto Real, Spain
| | - Pablo A Lara-Martín
- Physical Chemistry Department, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus de Excelencia Internacional del Mar (CEI-MAR), 11510 Puerto Real, Spain
| | - Marina G Pintado-Herrera
- Physical Chemistry Department, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus de Excelencia Internacional del Mar (CEI-MAR), 11510 Puerto Real, Spain
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17
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Wang M, Cheng C, Liu C, Yang Y. Hollow Fiber Supported Ionic Liquids Liquid-Phase Micro-extraction Followed by High-Performance Liquid Chromatography for the Determination of Polycyclic Aromatic Hydrocarbons in Milk Samples. J Chromatogr Sci 2017; 56:74-80. [DOI: 10.1093/chromsci/bmx075] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 07/29/2017] [Indexed: 11/14/2022]
Affiliation(s)
- Meng Wang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, No. 727, Jingming South Road, Chenggong District, Yunnan Province, Kunming 650500, China
| | - Chunsheng Cheng
- Yunnan Province Food Safety Research Institute, Kunming University of Science and Technology, No. 727, Jingming South Road, Chenggong District, Yunnan Province, Kunming 650500, China
| | - Chunbo Liu
- Technology Center of Yunnan Tobacco Industry Limited Liability Company, No. 727, Jingming South Road, Chenggong District, Yunnan Province, Kunming 650231, 650231, PR China
| | - Yaling Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, No. 727, Jingming South Road, Chenggong District, Yunnan Province, Kunming 650500, China
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18
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Hamedi R, Hadjmohammadi MR. Optimization of multiwalled carbon nanotubes reinforced hollow-fiber solid-liquid-phase microextraction for the determination of polycyclic aromatic hydrocarbons in environmental water samples using experimental design. J Sep Sci 2017; 40:3497-3505. [DOI: 10.1002/jssc.201700086] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 05/10/2017] [Accepted: 06/23/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Raheleh Hamedi
- Department of Analytical Chemistry, Faculty of Chemistry; University of Mazandaran; Babolsar Iran
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Mahpishanian S, Sereshti H, Ahmadvand M. A nanocomposite consisting of silica-coated magnetite and phenyl-functionalized graphene oxide for extraction of polycyclic aromatic hydrocarbon from aqueous matrices. J Environ Sci (China) 2017; 55:164-173. [PMID: 28477810 DOI: 10.1016/j.jes.2016.02.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 02/14/2016] [Accepted: 02/25/2016] [Indexed: 06/07/2023]
Abstract
In this study, graphene oxide was covalently immobilized on silica-coated magnetite and then modified with 2-phenylethylamine to give a nanocomposite of type Fe3O4@SiO2@GO-PEA that can be applied to the magnetic solid-phase extraction of polycyclic aromatic hydrocarbons (PAHs) from water samples. The resulting microspheres (Fe3O4@SiO2@GO-PEA) were characterized by Fourier transform-infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), CHNS elemental analysis, and vibrating sample magnetometry (VSM) techniques. The adsorbent possesses the magnetic properties of Fe3O4 nanoparticles that allow them easily to be separated by an external magnetic field. They also have the high specific surface area of graphene oxide which improves adsorption capacity. Desorption conditions, extraction time, amount of adsorbent, salt concentration, and pH were investigated and optimized. Following desorption, the PAHs were quantified by gas chromatography with flame ionization detection (GC-FID). The limits of detection (at an S/N ratio of 3) were achieved from 0.005 to 0.1μg/L with regression coefficients (R2) higher than 0.9954. The relative standard deviations (RSDs) were below 5.8% (intraday) and 6.2% (inter-day), respectively. The method was successfully applied to the analysis of PAHs in environmental water samples where it showed recoveries in the range between 71.7% and 106.7% (with RSDs of 1.6% to 8.4%, for n=3). The results indicated that the Fe3O4@SiO2@GO-PEA microspheres had a great promise to extraction of PAHs from different water samples.
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Affiliation(s)
| | - Hassan Sereshti
- Department of Chemistry, Faculty of Science, University of Tehran, Tehran, Iran.
| | - Mohammad Ahmadvand
- Department of Chemistry, Faculty of Science, University of Tehran, Tehran, Iran
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Ganjikhah M, Shariati S, Bozorgzadeh E. Preconcentration and spectrophotometric determination of trace amount of formaldehyde using hollow fiber liquid-phase microextraction based on derivatization by Hantzsch reaction. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2016. [DOI: 10.1007/s13738-016-1026-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Preparation, characterization and application of a reversed phase liquid chromatography/hydrophilic interaction chromatography mixed-mode C18-DTT stationary phase. Talanta 2016; 146:442-51. [DOI: 10.1016/j.talanta.2015.09.009] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 09/02/2015] [Accepted: 09/06/2015] [Indexed: 11/24/2022]
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Sun J, Li X, Quan Y, Yin Y, Zheng S. Effect of long-term organic removal on ion exchange properties and performance during sewage tertiary treatment by conventional anion exchange resins. CHEMOSPHERE 2015; 136:181-189. [PMID: 25996990 DOI: 10.1016/j.chemosphere.2015.05.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Revised: 03/13/2015] [Accepted: 05/02/2015] [Indexed: 06/04/2023]
Abstract
This study evaluated the long-term dissolved organic matter (DOM), phosphorus and nitrogen removal performance of a commercially available conventional anion exchange resin (AER) from actual secondary effluent (SE) in a sewage treatment plant based on a pilot-scale operation (2.2 m(3) d(-1), 185 cycles, 37,000 bed volume, 1.5 years). Particular emphasis was given to the potential effect of DOM fouling on the ion exchange properties and performance during the long-term operation. Despite the large range of COD (15.6-33.5 mg L(-1)), BOD5 (3.0-5.6 mg L(-1)), DOC (6.5-24.2 mg L(-1)), and UV254 (UV absorption at 254 nm) (0.108-0.229 cm(-1)) levels in the SE, the removal efficiencies of the AER for the aforementioned parameters were 43±12%, 46±15%, 45±9%, and 72±4%, respectively. Based on three-dimensional fluorescence excitation-emission matrix data, i.e., the fluorescence intensities of four regions (peaks A-D), all organic components of the SE were effectively removed (peak A 74%, peak B 48%, peak C 55%, and peak D 45%) following the adsorption. The AER effluent still has considerable polycyclic aromatic hydrocarbons' ecological hazard on freshwater fishes when they were significantly removed from SE. The obvious DOM fouling on the AER, identified by color change, had no significant influence on the long-term removal of the representative inorganic anions (averaging 95±4% phosphate, 100±0% SO4(2-), and 62±17% NO3(-)) and AER properties (including total exchange capacity, moisture content, and true density). The conventional AER can produce high quality reclaimed water from SE at a low operational cost.
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Affiliation(s)
- Jian Sun
- School of Environment, MOE Key Laboratory of Water and Sediment Sciences/State Key Lab of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
| | - Xiaofeng Li
- School of Environment, MOE Key Laboratory of Water and Sediment Sciences/State Key Lab of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
| | - Ying Quan
- School of Environment, MOE Key Laboratory of Water and Sediment Sciences/State Key Lab of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
| | - Yunjun Yin
- School of Environment, MOE Key Laboratory of Water and Sediment Sciences/State Key Lab of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
| | - Shaokui Zheng
- School of Environment, MOE Key Laboratory of Water and Sediment Sciences/State Key Lab of Water Environment Simulation, Beijing Normal University, Beijing 100875, China.
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Chaieb N, López-Mesas M, Luis González J, Mars M, Valiente M. Hollow fibre liquid phase micro-extraction by facilitated anionic exchange for the determination of flavonoids in faba beans (Vicia faba L.). PHYTOCHEMICAL ANALYSIS : PCA 2015; 26:346-352. [PMID: 26046919 DOI: 10.1002/pca.2569] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Revised: 03/31/2015] [Accepted: 04/25/2015] [Indexed: 06/04/2023]
Abstract
INTRODUCTION Flavonoids are polyphenolic compounds found ubiquitously in foods of plant origin. They are commonly extracted from plant materials with ethanol, methanol, water, their combination or even with acidified extracting solutions. The disadvantages of these methods are the use of high quantity of organic solvent, the possible loss of analytes in the different steps and the laborious process of the techniques. In addition, the complexity of the phenolic mixtures present in plant materials requires a preliminary clean-up and fractionation of the crude extracts. OBJECTIVE To develop a hollow fibre liquid phase micro-extraction (HF-LPME) method for a one step clean-up and pre-concentration of flavonoids. METHODOLOGY Two flavonoids (catechin and rutin) has been extracted by HF-LPME and analysed by HPLC. The related driving force for the liquid membrane has been studied by means of facilitated and non-facilitated transport. Different ionic and non-ionic water insoluble compounds [trioctylamine (TOA), tributyl phosphate (TBP), trioctylphosphine oxide (TOPO) and methyltrioctylammonium chloride (aliquat 336)] were used as carriers. The liquid membrane was constituted by a solution of n-decanol in the presence or absence of carriers. RESULTS Maximum enrichment factors were obtained with n-decanol/aliquat 336 (20%) as organic liquid membrane, sodium hydroxide (NaOH) (0.1 M) as donor solution, sodium chloride (NaCl) (2 M) as acceptor solution and 3 h as extraction time. Under these conditions, good results for validation parameters were obtained [for linearity, limit of detection (LOD), limit of quantitation (LOQ) and repeatability]. CONCLUSIONS The developed method is simple, effective and has been successfully applied to determine catechin and rutin in ethanolic extracts of faba beans.
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Affiliation(s)
- Nadia Chaieb
- Centre Grup de Tècniques de Separació en Química (GTS), Química Analítica, Departament de Química, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
- Department of Horticultural Sciences, Agro-Biodiversity Unit, Higher Agronomic Institute (ISA), University of Sousse-IRESA, Chott-Mariem, 4042, Sousse, Tunisia
- Regional Office of Agriculture Development Research Semi Arid North West, B.P. 221-7100, Le Kef, Tunisia
| | - Montserrat López-Mesas
- Centre Grup de Tècniques de Separació en Química (GTS), Química Analítica, Departament de Química, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - Johannes Luis González
- Centre Grup de Tècniques de Separació en Química (GTS), Química Analítica, Departament de Química, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | - Messaoud Mars
- Department of Horticultural Sciences, Agro-Biodiversity Unit, Higher Agronomic Institute (ISA), University of Sousse-IRESA, Chott-Mariem, 4042, Sousse, Tunisia
| | - Manuel Valiente
- Centre Grup de Tècniques de Separació en Química (GTS), Química Analítica, Departament de Química, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
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Shamsipur M, Hashemi B. Extraction and determination of polycyclic aromatic hydrocarbons in water samples using stir bar sorptive extraction (SBSE) combined with dispersive liquid–liquid microextraction based on the solidification of floating organic drop (DLLME-SFO) followed by HPLC-UV. RSC Adv 2015. [DOI: 10.1039/c4ra14959a] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The proposed method offers advantages, such as low consumption of organic solvents, high enrichment factors and good linearity, over the investigated concentration range.
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25
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Tovide O, Jaheed N, Mohamed N, Nxusani E, Sunday CE, Tsegaye A, Ajayi RF, Njomo N, Makelane H, Bilibana M, Baker PG, Williams A, Vilakazi S, Tshikhudo R, Iwuoha EI. Graphenated polyaniline-doped tungsten oxide nanocomposite sensor for real time determination of phenanthrene. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2013.12.134] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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26
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Abstract
AbstractLiquid-based micro-extraction is a novel “green” sample preparation technique using micro-litre levels of organic solvent to extract target analytes from various sample matrices for subsequent instrumental analysis. This technique developed rapidly from its introduction in the mid-1990s. Micro-extraction methods can be conveniently combined with a wide selection of instruments commonly used in a chemical laboratory; they significantly reduce analysis time and costs of solvents’ use and waste disposal. This review focuses on recent advances in several liquid-based micro-extraction methods, including single-drop micro-extraction, hollow fibre-liquid phase micro-extraction, and dispersive liquid-liquid micro-extraction. Examples of application of these methods to environmental, food, and biomedical analysis are listed.
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Yazdanfar N, Yamini Y, Ghambarian M. Homogeneous Liquid–Liquid Microextraction for Determination of Organochlorine Pesticides in Water and Fruit Samples. Chromatographia 2013. [DOI: 10.1007/s10337-013-2604-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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28
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Zhang Y, Huang K, Deng Y, Zhao Y, Wu B, Xu K, Ren H. Evaluation of the toxic effects of municipal wastewater effluent on mice using omic approaches. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2013; 47:9470-9477. [PMID: 23883474 DOI: 10.1021/es401615y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Municipal wastewater effluents (MWWE) contain a lot of trace organic pollutants, which will be a threat to environmental health. However, little information is available for the mixed toxicity of MWWE on mammals. In the present study, male mice were exposed to MWWE for 90 days, and then, histopathology and clinical biochemistry determination and transcriptomic and metabolomic profiling were conducted. The results showed that MWWE exposure resulted in injuries in liver and kidney. Combined transcriptomic and metabolomic data demonstrated that MWWE exposure induced perturbations of metabolism, including lipid, nucleotide, amino acid, and energy metabolism. Furthermore, dysregulation of signal transduction processes were also identified based on differentially expressed genes. These results suggested that chronic exposure to MWWE could induce hepatotoxicity and nephrotoxicity in mice and omic approaches are of practical value to evaluate the complex toxicity of MWWE.
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Affiliation(s)
- Yan Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu 210023, China
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29
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Applications of microextraction techniques in environmental analysis. Se Pu 2013. [DOI: 10.3724/sp.j.1123.2010.00001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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30
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Loh SH, Sanagi MM, Wan Ibrahim WA, Hasan MN. Solvent-impregnated agarose gel liquid phase microextraction of polycyclic aromatic hydrocarbons in water. J Chromatogr A 2013; 1302:14-9. [DOI: 10.1016/j.chroma.2013.06.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2013] [Revised: 06/01/2013] [Accepted: 06/03/2013] [Indexed: 10/26/2022]
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31
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Ebrahimpour B, Yamini Y, Esrafili A. Acid-induced homogenous liquid-phase microextraction: Application of medium-chain carboxylic acid as extraction phase. J Sep Sci 2013; 36:1493-9. [DOI: 10.1002/jssc.201201022] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2012] [Revised: 01/26/2013] [Accepted: 02/04/2013] [Indexed: 11/05/2022]
Affiliation(s)
| | - Yadollah Yamini
- Department of Chemistry; Tarbiat Modares University; Tehran; Iran
| | - Ali Esrafili
- Department of Chemistry; Tarbiat Modares University; Tehran; Iran
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32
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Ghambarian M, Yamini Y, Esrafili A. Liquid-phase microextraction based on solidified floating drops of organic solvents. Mikrochim Acta 2013. [DOI: 10.1007/s00604-013-0969-8] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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33
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Hollow-Fibre Liquid-Phase Microextraction for the Determination of Polycyclic Aromatic Hydrocarbons in Johannesburg Jukskei River, South Africa. Chromatographia 2013. [DOI: 10.1007/s10337-013-2420-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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34
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Sanagi MM, Loh SH, Wan Ibrahim WA, Hasan MN. Agarose film liquid phase microextraction combined with gas chromatography–mass spectrometry for the determination of polycyclic aromatic hydrocarbons in water. J Chromatogr A 2012; 1262:43-8. [DOI: 10.1016/j.chroma.2012.09.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2012] [Revised: 09/03/2012] [Accepted: 09/04/2012] [Indexed: 11/29/2022]
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35
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Hollow fibre-based liquid-phase microextraction technique combined with gas chromatography–mass spectrometry for the determination of pyrethroid insecticides in water samples. Talanta 2012; 100:246-53. [DOI: 10.1016/j.talanta.2012.04.039] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2011] [Revised: 04/12/2012] [Accepted: 04/19/2012] [Indexed: 11/20/2022]
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36
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Fakhari AR, Tabani H, Nojavan S. Miniaturized hollow fibre assisted liquid-phase microextraction and gas chromatography for determination of trace concentration of sufentanil and alfentanil in biological samples. Drug Test Anal 2012; 5:589-95. [DOI: 10.1002/dta.1387] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2011] [Revised: 04/28/2012] [Accepted: 06/14/2012] [Indexed: 11/12/2022]
Affiliation(s)
- Ali Reza Fakhari
- Department of Chemistry, Faculty of Sciences; Shahid Beheshti University; G.C., PO Box 19396-4716; Evin; Tehran; Iran
| | - Hadi Tabani
- Department of Chemistry, Faculty of Sciences; Shahid Beheshti University; G.C., PO Box 19396-4716; Evin; Tehran; Iran
| | - Saeed Nojavan
- Department of Chemistry, Faculty of Sciences; Shahid Beheshti University; G.C., PO Box 19396-4716; Evin; Tehran; Iran
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37
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Ultrasonic-Assistant Dispersive Liquid-Liquid Microextraction Based on Solidification of Floating Organic Droplet Method for Quick Determination of Polycyclic Aromatic Hydrocarbons in Soils. ACTA ACUST UNITED AC 2012. [DOI: 10.4028/www.scientific.net/amm.190-191.603] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An ultrasound-assisted dispersive liquid-liquid micro-extraction method based on solidification of floating organic drop (UAE/DLLME/SFO) was established for the determination of PAHs in soils. Dichloromethane was used as solvent for the analytes in the soil by ultrasonic assistant extraction (UAE), the solvent was purified and concentrated by silica gel column chromatography and nitrogen flowing concentrator, respectively. The recoveries of the method were in the range 46.22-101.86%, and the relative standard deviations (RSD) were 3.03-7.80%. The linear range was 0.02-0.4mg/kg(0.02-0.5mg/kg), and the limit of detection (LOD) was 0.17-29.13µg/kg. The method was applied to the real soil samples around wells of an oilfield; the relative recoveries of the ANY, ANA, FLU, PHE, ANT, FLT, PYR, BaA were 47.12-116.96%, while the recoveries of NAP, CHR, BbF, BkF, BaP, DBA, BPE, IPY were 17.75-63.29%.
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38
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Considerations on the application of miniaturized sample preparation approaches for the analysis of organic compounds in environmental matrices. OPEN CHEM 2012. [DOI: 10.2478/s11532-011-0114-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AbstractThe miniaturization and improvement of sample preparation is a challenge that has been fulfilled up to a point in many fields of analytical chemistry. Particularly, the hyphenation of microextraction with advanced analytical techniques has allowed the monitoring of target analytes in a vast variety of environmental samples. Several benefits can be obtained when miniaturized techniques such as solid-phase microextraction (SPME) or liquid-phase microextraction (LPME) are applied, specifically, their easiness, rapidity and capability to separate and pre-concentrate target analytes with a negligible consumption of organic solvents. In spite of the great acceptance that these green sample preparation techniques have in environmental research, their full implementation has not been achieved or even attempted in some relevant environmental matrices. In this work, a critical review of the applications of LPME and SPME techniques to isolate and pre-concentrate traces of organic pollutants is provided. In addition, the influence of the environmental matrix on the effectiveness of LPME and SPME for isolating the target organic pollutants is addressed. Finally, unsolved issues that may hinder the application of these techniques for the extraction of dissolved organic matter from environmental samples and some suggestions for developing novel and less selective enrichment and isolation procedures for natural organic matter on the basis of SPME and LPME are included.
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39
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Moradi M, Yamini Y, Rezaei F, Tahmasebi E, Esrafili A. Development of a new and environment friendly hollow fiber-supported liquid phase microextraction using vesicular aggregate-based supramolecular solvent. Analyst 2012; 137:3549-57. [DOI: 10.1039/c2an35304k] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Fatemi MH, Hadjmohammadi MR, Shakeri P, Biparva P. Extraction optimization of polycyclic aromatic hydrocarbons by alcoholic-assisted dispersive liquid-liquid microextraction and their determination by HPLC. J Sep Sci 2011; 35:86-92. [DOI: 10.1002/jssc.201100675] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2011] [Revised: 09/27/2011] [Accepted: 09/27/2011] [Indexed: 11/06/2022]
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41
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Krylov VA, Krylov AV, Mosyagin PV, Matkivskaya YO. Liquid-phase microextraction preconcentration of impurities. JOURNAL OF ANALYTICAL CHEMISTRY 2011. [DOI: 10.1134/s1061934811040101] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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42
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Esrafili A, Yamini Y, Ghambarian M, Moradi M. Dynamic three-phase hollow fiber microextraction based on two immiscible organic solvents with automated movement of the acceptor phase. J Sep Sci 2010; 34:98-106. [DOI: 10.1002/jssc.201000624] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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43
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Yang Q, Guo Y, Wang L, Liang S, Liu X. Simultaneous Determination of Trace Benzene and Toluene in Beverage by Ultrasound-Enhanced Hollow-Fiber Liquid-Phase Microextraction Coupled with GC. Chromatographia 2010. [DOI: 10.1365/s10337-010-1767-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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44
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Ma J, Xiao R, Li J, Yu J, Zhang Y, Chen L. Determination of 16 polycyclic aromatic hydrocarbons in environmental water samples by solid-phase extraction using multi-walled carbon nanotubes as adsorbent coupled with gas chromatography–mass spectrometry. J Chromatogr A 2010; 1217:5462-9. [DOI: 10.1016/j.chroma.2010.06.060] [Citation(s) in RCA: 188] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2010] [Revised: 06/16/2010] [Accepted: 06/23/2010] [Indexed: 10/19/2022]
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45
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Leong MI, Chang CC, Fuh MR, Huang SD. Low toxic dispersive liquid–liquid microextraction using halosolvents for extraction of polycyclic aromatic hydrocarbons in water samples. J Chromatogr A 2010; 1217:5455-61. [DOI: 10.1016/j.chroma.2010.06.056] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2010] [Revised: 06/21/2010] [Accepted: 06/21/2010] [Indexed: 10/19/2022]
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46
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Pena-Pereira F, Lavilla I, Bendicho C. Liquid-phase microextraction approaches combined with atomic detection: A critical review. Anal Chim Acta 2010; 669:1-16. [DOI: 10.1016/j.aca.2010.04.050] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2010] [Revised: 04/20/2010] [Accepted: 04/23/2010] [Indexed: 11/28/2022]
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47
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Es’haghi Z, Azmoodeh R. Hollow fiber supported liquid membrane microextraction of Cu2+ followed by flame atomic absorption spectroscopy determination. ARAB J CHEM 2010. [DOI: 10.1016/j.arabjc.2009.12.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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48
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Saleh A, Yamini Y, Faraji M, Rezaee M, Ghambarian M. Ultrasound-assisted emulsification microextraction method based on applying low density organic solvents followed by gas chromatography analysis for the determination of polycyclic aromatic hydrocarbons in water samples. J Chromatogr A 2009; 1216:6673-9. [DOI: 10.1016/j.chroma.2009.08.001] [Citation(s) in RCA: 221] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2009] [Revised: 07/30/2009] [Accepted: 08/04/2009] [Indexed: 10/20/2022]
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49
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Chemical evaluation of contaminants in wastewater effluents and the environmental risk of reusing effluents in agriculture. Trends Analyt Chem 2009. [DOI: 10.1016/j.trac.2009.03.007] [Citation(s) in RCA: 119] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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50
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Zhao X, Liu X, Zhao Z, Huang C, Zhang M, Wang H, Wang X. Homogeneous liquid-liquid extraction combined with high performance liquid chromatography-fluorescence detection for determination of polycyclic aromatic hydrocarbons in vegetables. J Sep Sci 2009; 32:2051-7. [DOI: 10.1002/jssc.200900019] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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