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Shi R, Huang Y, Ruan G, Chen Z, Yang Y, Wu Z. Controlled synthesis of sulfhydryl-dendritic mesoporous silica nanospheres for ultrafast extraction and sensitive analysis of organochlorine herbicides containing amide groups. J Chromatogr A 2024; 1720:464794. [PMID: 38484640 DOI: 10.1016/j.chroma.2024.464794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 03/01/2024] [Accepted: 03/04/2024] [Indexed: 04/02/2024]
Abstract
The distinctive morphology of dendritic mesoporous silica nanoparticles (DMSN) has recently attracted considerable attention in scientific community. However, synthesis of DMSN with well-defined structure and uniform size for ultrafast extraction of trace herbicide residues from environmental and food samples remains to be a compelling challenge. In this study, sulfhydryl functionalized dendritic mesoporous silica (SH-DMSN) was synthesized and the SH-DMSN showcases monodisperse microspheres with flower shape and precisely tailored and controllable pore sizes. This distinctive structural configuration accelerates mass transfer within the silica layer, resulting in heightened adsorption efficiencies. Furthermore, the particle sizes (455, 765, and 808) of the adsorbent can be meticulously fine-tuned by introducing distinct templates. Specifically, when the particle size is 765 nm, the optimized SH-DMSN exhibits a substantial specific surface area (691.32 m²/g), outstanding adsorption efficiencies (>90 %), remarkably swift adsorption and desorption kinetics (2 min and 3 min, respectively), and exceptional stability. The superior adsorption capabilities of this novel adsorbent, ranging from 481.65 to 1021.7 µg/g for organochlorine herbicides containing amide groups, can be attributed to the interplay of S-π interactions, halogen bonding, and electrostatic attraction interaction. These interactions involve the lone pair electrons of sulfhydryl and silanol groups with the π-electrons, halogen atoms and amide groups in herbicide molecules. This study not only offers a new perspective on advancing the practical utilization of dendritic mesoporous silica but also provides a pragmatic strategy for the separation and analysis of herbicides in diverse sample matrices.
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Affiliation(s)
- Rui Shi
- Guangxi Colleges and Universities Key Laboratory of Food Safety and Detection, College of Chemistry and Bioengineering, Guilin University of Technology, Guangxi, 541004, China
| | - Yipeng Huang
- Guangxi Colleges and Universities Key Laboratory of Food Safety and Detection, College of Chemistry and Bioengineering, Guilin University of Technology, Guangxi, 541004, China.
| | - Guihua Ruan
- Guangxi Colleges and Universities Key Laboratory of Food Safety and Detection, College of Chemistry and Bioengineering, Guilin University of Technology, Guangxi, 541004, China.
| | - Zhengyi Chen
- Pharmacy School, Guilin Medical University, Guangxi, 541004, China
| | - Yanqun Yang
- Guangxi Colleges and Universities Key Laboratory of Food Safety and Detection, College of Chemistry and Bioengineering, Guilin University of Technology, Guangxi, 541004, China
| | - Zhuqiang Wu
- Guangxi Colleges and Universities Key Laboratory of Food Safety and Detection, College of Chemistry and Bioengineering, Guilin University of Technology, Guangxi, 541004, China
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2
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Batista LFA, Gonçalves SRS, Bressan CD, Grassi MT, Abate G. Evaluation of organo-vermiculites as sorbent phases for solid-phase extraction of ibuprofen from water. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1880-1886. [PMID: 38469698 DOI: 10.1039/d3ay02291a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
The study of ibuprofen (IBU) preconcentration was carried out making use of a homemade column for solid-phase extraction (SPE), using vermiculite (VT) or organo-vermiculites (OVTs) as sorbent phases. Aqueous samples (50.0 mL) percolated the column and IBU was sorbed onto the VT or OVT and then desorbed using acetonitrile. Employing this SPE system and OVT, calibration curves were generated for IBU, by spectrophotometric quantification using the α-naphthylamine method. R2 values higher than 0.9950 and LOD between 12 and 18 μg L-1 were observed, for real enrichment factors of 21 and 31, by using OVTs. The analytical protocol was applied to three water samples, which were spiked with IBU solutions to evaluate the precision and accuracy of the method. Recoveries between 77 and 110% at three different IBU concentrations and RSD lower than 18% were observed, even by using the spectrophotometric method. The protocol developed in this study demonstrated that the OVT was appropriate to work as a preconcentration phase for IBU determination in water samples.
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Affiliation(s)
- Luis Fernando A Batista
- Departamento de Química, Universidade Federal do Paraná (UFPR), Centro Politécnico, C. P. 19032, Curitiba, PR, Brazil, CEP 81531-980.
| | - Sara Renata S Gonçalves
- Departamento de Química, Universidade Federal do Paraná (UFPR), Centro Politécnico, C. P. 19032, Curitiba, PR, Brazil, CEP 81531-980.
| | - Carolina D Bressan
- Departamento de Química, Universidade Federal do Paraná (UFPR), Centro Politécnico, C. P. 19032, Curitiba, PR, Brazil, CEP 81531-980.
| | - Marco T Grassi
- Departamento de Química, Universidade Federal do Paraná (UFPR), Centro Politécnico, C. P. 19032, Curitiba, PR, Brazil, CEP 81531-980.
| | - Gilberto Abate
- Departamento de Química, Universidade Federal do Paraná (UFPR), Centro Politécnico, C. P. 19032, Curitiba, PR, Brazil, CEP 81531-980.
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3
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Isabella Cestaro B, Cavalcanti Machado K, Batista M, José Gonçalves da Silva B. Hollow-fiber liquid phase microextraction for determination of fluoxetine in human serum by nano-liquid chromatography coupled to high resolution mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1234:124018. [PMID: 38286102 DOI: 10.1016/j.jchromb.2024.124018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 01/03/2024] [Accepted: 01/15/2024] [Indexed: 01/31/2024]
Abstract
Therapeutic drug monitoring (TDM) is a personalized care tool based on the determination of a target drug concentration in human serum. An antidepressant drug of interest for such investigations is fluoxetine (FXT), due to a severe impact of genetic polymorphisms on its metabolism. A bioanalytical method employed for TDM purposes must exhibit satisfactory selectivity and detectability, which becomes more difficult due to highly complex biological matrices. In this study, a highly selective bioanalytical method for the determination of FXT in human serum is proposed, which provides excellent clean-up efficiency based on a low cost hollow fiber liquid-phase microextraction (HF-LPME) sample preparation step and nano-liquid chromatography coupled to high-resolution mass spectrometry (nano-LC-HRMS). HF-LPME was performed using a two-phase "U" configuration, with 6 cm fiber, 20 µL of 1-octanol acting as supported liquid membrane, and ammonium hydroxide (pH 10) as the donor phase with NaCl (10 % m/v) and methanol (5 % v/v) as additives, requiring only 250 µL of the sample. The procedure was conducted for 30 min under a 750 rpm stirring rate. Gradient elution was carried out employing an acetonitrile-water as mobile phase, the composition of 30:70 to 100:00 (v/v) for 15 min, using formic acid 0.1 % (v/v) as an additive. MS1 was acquired in an Orbitrap mass analyzer, while MS2 was acquired in a linear trap quadrupole. Satisfactory linearity (Pearson's r = 0.99709) was obtained for a concentration range of 0.02 to 2.5 µg mL-1, which is compatible with the therapeutic and toxic range for FXT. The developed method presents adequate precision (1.61 to 7.45 %) and accuracy (95 to 114 %) and allows the dilution of high concentration samples in a 1:4 ratio (v/v), enabling its application for forensic serum samples. To our knowledge, this is the first study reporting a method based on HF-LPME and nano-LC-HRMS with any analytical purpose, especially with a TDM focus.
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Affiliation(s)
| | | | - Michel Batista
- Mass Spectrometry Facility RPT02H, Carlos Chagas Institute, Fiocruz, Curitiba 81350-010, Brazil
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4
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Sun W, Xu Q, Liu Q, Wang T, Liu Z. Post-synthetic modification of a magnetic covalent organic framework with alkyne linkages for efficient magnetic solid-phase extraction and determination of trace basic orange II in food samples. J Chromatogr A 2023; 1690:463777. [PMID: 36640681 DOI: 10.1016/j.chroma.2023.463777] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/31/2022] [Accepted: 01/03/2023] [Indexed: 01/06/2023]
Abstract
Efficient magnetic solid phase extraction using covalent organic frameworks (COFs) can find important applications in food safety. In this work, a sulfonate-functionalized magnetic COF (Fe3O4@COF-SO3Na) was synthesized by self-polycondensation of two-in-one monomer 1,6-bis(4-formylphenyl)-3,8-bis((4-aminophenyl) ethynyl)) pyrene (BFBAEPy) on the surface of aminated Fe3O4 and a thiol-yne click reaction. It was further adopted as an adsorbent for the efficient magnetic solid-phase extraction (MSPE) of basic orange II. The selective adsorption experiment indicated that it displayed selective adsorption ability to basic orange II due to the ion exchange, hydrogen bonds, and π-π interactions. Under the optimized conditions, the proposed MSPE method coupled with HPLC-DAD showed excellent linearity in the range of 0.05-0.5 µg/mL (R2 = 0.9997) for basic orange II. The lower limits of detection (LODs) for basic orange II were 1.0-1.4 µg/L for three food samples: yellow croaker, paprika and dried bean curd. The recoveries were 90.1-98.8% with relative standard deviations (RSDs) below 4.2%. Therefore, this work provides an effective strategy to modify magnetic COFs as absorbents in MSPE. Due to the tunability of functional groups in thiol‑yne click reactions, the functional groups of magnetic COFs can be readily designed to enrich their multifunctional applications. Meanwhile, this work proposed a new method to detect trace amounts of basic orange II in food samples.
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Affiliation(s)
- Wei Sun
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, Zhejiang, China
| | - Qing Xu
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, Zhejiang, China.
| | - Qili Liu
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, Zhejiang, China
| | - Tianliang Wang
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, Zhejiang, China
| | - Zhaixin Liu
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, Zhejiang, China
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5
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New challenges in sample preparation: Miniaturized stir bar sorptive dispersive microextraction as a high-throughput and feasible approach for low-availability sample preparation. Anal Chim Acta 2022; 1238:340627. [DOI: 10.1016/j.aca.2022.340627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/14/2022] [Accepted: 11/11/2022] [Indexed: 11/17/2022]
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Ullah N, Tuzen M. A New Trend and Future Perspectives of the Miniaturization of Conventional Extraction Methods for Elemental Analysis in Different Real Samples: A Review. Crit Rev Anal Chem 2022:1-19. [PMID: 36197714 DOI: 10.1080/10408347.2022.2128635] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2022]
Abstract
Sample preparation is one of the viable procedures to be used before analysis to enhance sensitivity and reduce the matrix effect. The current review is mainly emphasized the latest outcome and applications of microextraction techniques based on the miniaturization of the classical conventional methods based on liquid-phase and solid-phase extraction for the quantitative elemental analysis in different real samples. The limitation of the conventional sample preparation methods (liquid and solid phase extraction) has been overcome by developing a new way of reducing size as compared with the conventional system through the miniaturization approach. Miniaturization of the sample preparation techniques has received extensive attention due to its extraction at microlevels, speedy, economical, eco-friendly, and high extraction capability. The growing demand for speedy, economically feasible, and environmentally sound analytical approaches is the main intention to upgrade the conventional procedures apply for sample preparation in environmental investigation. A growing trend of research has been perceived to quantify the trace for elemental analysis in different natures of real samples. This review also recapitulates the current futuristic scenarios for the green and economically viable procedure with special overemphasis and concentrates on eco-friendly miniaturized sample-preparation techniques such as liquid-phase microextraction (LPME) and solid-phase microextraction (SPME). This review also emphasizes the latest progress and applications of the LPME and SPME approach and their future perspective.
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Affiliation(s)
- Naeem Ullah
- Faculty of Science and Arts, Chemistry Department, Tokat Gaziosmanpaşa University, Tokat, Turkey
- Department of Chemistry, University of Turbat, Balochistan, Pakistan
| | - Mustafa Tuzen
- Faculty of Science and Arts, Chemistry Department, Tokat Gaziosmanpaşa University, Tokat, Turkey
- Research Institute, Center for Environment and Marine Studies, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia
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7
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La Nasa J, Biale G, Modugno F, Ceccarini A, Giannarelli S. Magic extraction: solid-phase extraction and analytical pyrolysis to study polycyclic aromatic hydrocarbon and polychlorinated biphenyls in freshwater. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:64252-64258. [PMID: 35939195 PMCID: PMC9477944 DOI: 10.1007/s11356-022-22435-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 08/03/2022] [Indexed: 06/15/2023]
Abstract
Polycyclic aromatic hydrocarbons and polychlorinated biphenyls are commonly categorized as persistent organic pollutants. In order to analyze these pollutants, customized stationary phases are increasingly being developed and synthesized for solid-phase extraction. In this work, we tested a new solventless solid-phase extraction approach based on the use of a Magic Chemisorber® (Frontier Lab) which consists of a bead-covered polydimethylsiloxane stationary phase with a thickness of 500 µm. These devices are directly immersed into aqueous samples and then introduced into a pyrolysis-gas chromatography-mass spectrometry system equipped with a cryofocusing system for the thermal desorption and analysis of the adsorbed species. Our new method performs better than the most recent solid-phase extraction devices, with limits of detection lower than 2.7 ng/L and limits of quantification lower than 9.0 ng/L. The method was tested on standard compounds and on an environmental sample, showing the potential to characterize other chemical species besides the persistent organic pollutants, such as phthalate plasticizers and antioxidants.
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Affiliation(s)
- Jacopo La Nasa
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa, Italy.
- National Interuniversity Consortium of Materials Science and Technology (INSTM), Florence, Italy.
| | - Greta Biale
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa, Italy
| | - Francesca Modugno
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa, Italy
| | - Alessio Ceccarini
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa, Italy
| | - Stefania Giannarelli
- Department of Chemistry and Industrial Chemistry, University of Pisa, Pisa, Italy
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8
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Olisah C, Rubidge G, Human LRD, Adams JB. Organophosphate pesticides in South African eutrophic estuaries: Spatial distribution, seasonal variation, and ecological risk assessment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 306:119446. [PMID: 35550133 DOI: 10.1016/j.envpol.2022.119446] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 05/04/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
The seasonal variation, spatial distribution, and ecological risks of thirteen organophosphate pesticides (OPPs) were studied in the Sundays and Swartkops estuaries in South Africa. Ten pesticides were detected in surface water samples from both estuaries, while all OPPs were detected in sediments. The highest concentration of OPPs (18.8 μg pyrazophos L-1) was detected in surface water samples from Swartkops Estuary, while 48.7 μg phosalone kg-1 dw was the highest in sediments collected from Sundays Estuary. There was no clear seasonal pattern in OPPs occurrence in surface water from both systems. However, their occurrence in sediments was in the following order: winter > autumn > summer > spring, perhaps indicating major pesticide input in the winter seasons. Results from ecological risk assessment showed that pyraclofos and chlorpyrifos (CHL) in surface water from both systems are respectively likely to cause high acute and chronic toxicity to fish (risk quotient - RQ > 1). For sediments of both estuaries, the highest acute and chronic RQs for fish were calculated for isazophos and CHL respectively. The majority of the detected OPPs in sediments posed potential high risks to Daphnia magna from both systems. These results suggest that these aquatic organisms (fish, and Daphnia), if present in the studied estuaries, can develop certain forms of abnormalities due to OPP exposure. To this end, proper measures should be taken to reduce OPP input into the estuarine systems.
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Affiliation(s)
- Chijioke Olisah
- DSI/NRF Research Chair, Shallow Water Ecosystems, Nelson Mandela University, PO Box 77000, Gqeberha, 6031, South Africa; Department of Botany, Institute of Coastal and Marine Research (CMR), Nelson Mandela University, PO Box 77000, Gqeberha, 6031, South Africa; Department of Chemistry, Nelson Mandela University, PO Box 77000, Gqeberha, 6031, South Africa.
| | - Gletwyn Rubidge
- Department of Chemistry, Nelson Mandela University, PO Box 77000, Gqeberha, 6031, South Africa
| | - Lucienne R D Human
- Department of Botany, Institute of Coastal and Marine Research (CMR), Nelson Mandela University, PO Box 77000, Gqeberha, 6031, South Africa; South African Environmental Observation Network (SAEON) Elwandle Coastal Node, PO Box 77000, Gqeberha, 6031, South Africa
| | - Janine B Adams
- DSI/NRF Research Chair, Shallow Water Ecosystems, Nelson Mandela University, PO Box 77000, Gqeberha, 6031, South Africa; Department of Botany, Institute of Coastal and Marine Research (CMR), Nelson Mandela University, PO Box 77000, Gqeberha, 6031, South Africa
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9
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Overview of Different Modes and Applications of Liquid Phase-Based Microextraction Techniques. Processes (Basel) 2022. [DOI: 10.3390/pr10071347] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Liquid phase-based microextraction techniques (LPµETs) have attracted great attention from the scientific community since their invention and implementation mainly due to their high efficiency, low solvent and sample amount, enhanced selectivity and precision, and good reproducibility for a wide range of analytes. This review explores the different possibilities and applications of LPμETs including dispersive liquid–liquid microextraction (DLLME) and single-drop microextraction (SDME), highlighting its two main approaches, direct immersion-SDME and headspace-SDME, hollow-fiber liquid-phase microextraction (HF-LPME) in its two- and three-phase device modes using the donor–acceptor interactions, and electro membrane extraction (EME). Currently, these LPμETs are used in very different areas of interest, from the environment to food and beverages, pharmaceutical, clinical, and forensic analysis. Several important potential applications of each technique will be reported, highlighting its advantages and drawbacks. Moreover, the use of alternative and efficient “green” extraction solvents including nanostructured supramolecular solvents (SUPRASs, deep eutectic solvents (DES), and ionic liquids (ILs)) will be discussed.
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10
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Gu YX, Yan TC, Yue ZX, Liu FM, Cao J, Ye LH. Recent developments and applications in the microextraction and separation technology of harmful substances in a complex matrix. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107241] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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11
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Pellicer-Castell E, Belenguer-Sapiña C, Amorós P, El Haskouri J, Herrero-Martínez JM, Mauri-Aucejo AR. Mesoporous silica sorbent with gold nanoparticles for solid-phase extraction of organochlorine pesticides in water samples. J Chromatogr A 2022; 1662:462729. [PMID: 34998472 DOI: 10.1016/j.chroma.2021.462729] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 11/02/2021] [Accepted: 12/01/2021] [Indexed: 11/30/2022]
Abstract
In this work, a novel sorbent, based on UVM-7 mesoporous silica doped with Au, has been proposed for organochlorine pesticides extraction. Cartridges containing this material have been applied to the preconcentration of 20 pesticides from water samples, through a solid-phase extraction (SPE) protocol, with their later determination by gas chromatography with an electron capture detector. First, UVM-7 materials were properly characterized by X-ray diffraction, N2 adsorption-desorption, electron microscopy techniques, and UV-Vis spectroscopy, thus confirming their structure and Au incorporation. After optimization of main extraction parameters, recoveries in the range of 80-110% were obtained for most of the analytes, with enrichment factors comprised between 275 and 430. The obtained sensitivity was comparable with other reported methods, with limits of quantification in the range of 0.3-20 ng L-1, thus allowing the determination of these compounds according to European legislation. The developed method has been successfully applied to the analysis of real spiked samples in comparison with a reference method, thus being this sorbent an alternative for organochlorine pesticide enrichment, through a simple, reusable, cheap, and environmentally friendly SPE procedure.
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Affiliation(s)
- Enric Pellicer-Castell
- Department of Analytical Chemistry, Faculty of Chemistry, Universitat de València, Dr Moliner 50, 46100 Burjassot, Valencia, Spain
| | - Carolina Belenguer-Sapiña
- Department of Analytical Chemistry, Faculty of Chemistry, Universitat de València, Dr Moliner 50, 46100 Burjassot, Valencia, Spain
| | - Pedro Amorós
- Institute of Material Science (ICMUV), Universitat de València, Catedrático José Beltrán 2, 46980 Paterna, Valencia, Spain
| | - Jamal El Haskouri
- Institute of Material Science (ICMUV), Universitat de València, Catedrático José Beltrán 2, 46980 Paterna, Valencia, Spain
| | - José Manuel Herrero-Martínez
- Department of Analytical Chemistry, Faculty of Chemistry, Universitat de València, Dr Moliner 50, 46100 Burjassot, Valencia, Spain
| | - Adela R Mauri-Aucejo
- Department of Analytical Chemistry, Faculty of Chemistry, Universitat de València, Dr Moliner 50, 46100 Burjassot, Valencia, Spain.
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Öter Ç, Zorer ÖS. Molecularly imprinted polymer synthesis and selective solid phase extraction applications for the detection of ziram, a dithiocarbamate fungicide. CHEMICAL ENGINEERING JOURNAL ADVANCES 2021. [DOI: 10.1016/j.ceja.2021.100118] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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13
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Manousi N, Kabir A, Zachariadis GA. Recent advances in the extraction of triazine herbicides from water samples. J Sep Sci 2021; 45:113-133. [PMID: 34047458 DOI: 10.1002/jssc.202100313] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 05/25/2021] [Accepted: 05/25/2021] [Indexed: 11/11/2022]
Abstract
Pesticides are excessively used in agriculture to improve the quality of crops by eliminating the negative effects of pests. Among the different groups of pesticides, triazine pesticides are a group of compounds that contain a substituted C3 H3 N3 heterocyclic ring, and they are widely used. Triazine pesticides can be dangerous for humans as well as for the aquatic environment because of their high toxicity and endocrine disrupting effect. However, the concentration of these chemical compounds in water samples is low. Moreover, other compounds that may exist in the water samples can interfere with the determination of triazine pesticides. As a result, it is important to develop sample preparation methods that provide preconcentration of the target analyte and sufficient clean-up of the samples. Recently, a wide variety of novel microextraction and miniaturized extraction techniques (e.g., solid-phase microextraction and liquid-phase microextraction, stir bar sorptive extraction, fabric phase sorptive extraction, dispersive solid-phase extraction, and magnetic solid-phase extraction) have been developed. In this review, we aim to discuss the recent advances regarding the extraction of triazine pesticides from environmental water samples. Emphasis will be given to novel sample preparation methods and novel sorbents developed for sorbent-based extraction techniques.
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Affiliation(s)
- Natalia Manousi
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Abuzar Kabir
- Department of Chemistry and Biochemistry, Florida International University, Miami, Florida, USA
| | - George A Zachariadis
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Adel B, Jafari M, Hasanzadeh M. Utilization of rGO-PEI-supported AgNPs for sensitive recognition of deltamethrin in human plasma samples: A new platform for the biomedical analysis of pesticides in human biofluids. J Mol Recognit 2021; 34:e2900. [PMID: 33949010 DOI: 10.1002/jmr.2900] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 04/10/2021] [Accepted: 04/15/2021] [Indexed: 11/12/2022]
Abstract
In this study, the rGO-PEI-AgNPs sensor was designed as a new effective platform to sensitive monitoring of deltamethrin in human plasma samples. For this purpose, reduced graphene oxide (rGO)-supported polyethylenimine (PEI) was used as a suitable substrate for dispersion of silver nanoparticles (AgNPs) as amplification and catalytic element. Therefore, a novel interface (rGO-PEI-AgNPs) was prepared by the fully electrochemical method on the surface of glassy carbon electrodes. The engineered nano-sensor showed a wide dynamic range of 10 nM to 1 mM and low limit of quantification (LLOQ) as 10 nM in human plasma sample, which revealed excellent analytical performance for the recognition of deltamethrin with high sensitivity and reproducibility through differential pulse voltammetry and square wave voltammetry techniques. The results confirm that rGO-PEI-AgNPs as a novel biocompatible interface can provide appropriate, reliable, affordable, rapid, and user-friendly diagnostic tools in the detection of deltamethrin in human real samples.
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Affiliation(s)
- Bashir Adel
- Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohsen Jafari
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Hasanzadeh
- Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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15
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Zhu F, Wang S, Liu Y, Wu M, Wang H, Xu G. Antibiotics in the surface water of Shanghai, China: screening, distribution, and indicator selecting. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:9836-9848. [PMID: 33156500 DOI: 10.1007/s11356-020-10967-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 09/21/2020] [Indexed: 06/11/2023]
Abstract
The widespread existence of antibiotics has caused inevitable influence on ecology and humans. In this study, we screened the most commonly used antibiotics, and 64 antibiotics were detected in Shanghai, an international metropolis. Most of the target substances were detected in all 46 water samples including main rivers and districts in Shanghai, with concentrations ranging from 0.02 to 502.43 ng L-1. In particular, sulfadiazine (502.43 ng L-1) had the highest maximum concentration. Besides, risk quotients based on fish suggested that sulfonamides had a medium risk (0.12) in Shanghai. Correlation studies had shown that most compounds with frequencies exceeding 60% were significantly positively correlated with the total concentration. Based on further analysis, sulfadiazine, sulfamerazine, and sulfapyridine were screened as indicators to reflect the pollution status of antibiotics in Shanghai for a long time. The screening conditions for these indicators include detection rate (> 60%), maximum concentration (> 100 ng L-1), RQ (> 0.01), and correlation (> 0). In addition, population density may be the main factor for antibiotic pollution through regional comparison. In a word, this work can systematically reflect the overall situation of Shanghai antibiotics and provide support for global data comparison in the future. Meanwhile, we provided the potential indicators that can be applied in the long term and economical monitoring of antibiotics.
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Affiliation(s)
- Feng Zhu
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Siqi Wang
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Yujie Liu
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Minghong Wu
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Hongyong Wang
- Shanghai Institute of Applied Radiation, Shanghai University, 20 Chengzhong Road, Shanghai, 200444, China.
| | - Gang Xu
- School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China.
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16
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Assessing Diazinon Pollution in the Three Major Rivers Flowing into the Caspian Sea (Iran). WATER 2021. [DOI: 10.3390/w13030335] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
The aim of this study was to investigate the seasonal and spatial variations in the concentrations of a widely used organophosphorous pesticide (OPP), diazinon, and the associated risk posed by this OPP in the surface water from the three largest rivers located in the northern province of Iran: the Haraz, the Talar and the Babolrood rivers. These rivers are located in the agriculture province of Mazandaran, and are exposed to high doses of organophosphorus pesticides, especially diazinon. The concentration of diazinon was determined using gas chromatography, while the potential risk posed by diazinon was elucidated using a Risk Quotient (RQ) calculated for general (RQm) and worst-case (RQex) scenarios. The obtained results demonstrated that the average diazinon concentrations ranged from 41 ± 76 ng/L in the Talar River and 57 ± 116 ng/L in the Haraz River, to 76.5 ± 145 ng/L in the Babolrood River, with a significant difference noted between summer and autumn seasons for all three rivers. For some stations, the concentration of diazinon is higher than the standard guidelines of Australian/New Zealand Guidelines for Fresh and Marine Water Quality (FMWQ) and the United States Criteria Maximum Concentration (CMC). The calculated RQs indicated a medium risk of diazinon, RQm = 0.73 and RQex = 2.27, in the Talar River; RQm = 1.02 and RQex = 2.49 in the Haraz River; and RQm = 1.35 and RQex = 4.54 in the Babolrood River. The overall exposure of diazinon was defined to have a high risk (RQm and RQex > 1); however, the summer sampling revealed a high risk (RQm and RQex > 1), while the autumn had a medium risk (RQm and RQex < 1). The obtained results revealed not only elevated concentrations of diazinon in the studied rivers but most importantly the high risk posed by this OPP for the aquatic organisms and the wellbeing of the whole river ecosystem. The current study showed that development and implementation of appropriate standards and regulations toward diazinon in countries such as Iran are required to reduce the pollution levels and risks related to elevated concentrations of the studied pesticide.
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17
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Fabrication of carboxyl functionalized microporous organic network coated stir bar for efficient extraction and analysis of phenylurea herbicides in food and water samples. J Chromatogr A 2021; 1640:461947. [PMID: 33556684 DOI: 10.1016/j.chroma.2021.461947] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/14/2021] [Accepted: 01/24/2021] [Indexed: 12/29/2022]
Abstract
Fabrication of novel coatings continues to be an area of great interest and significance in the development and application of stir bar sorptive extraction (SBSE). In this work, a carboxyl-enriched microporous organic network (MON-2COOH) coated stir bar was designed and fabricated as a novel adsorbent for efficient extraction of four phenylurea herbicides (PUHs) before their determination by high-performance liquid chromatography coupled with photodiode array detector (HPLC-PDA). The MON-2COOH was represented as an effective adsorbent for PUHs due to its large surface area, rigid porous structure, aromatic pore walls and the desired hydrogen bonding sites of introduced carboxyl groups. Variables affecting the SBSE of target analytes were optimized in detail. Under the optimal extraction conditions, favorable correlation coefficients (R2 > 0.996) in the linear range 0.10-250 μg L-1, low limits of detection (LODs, S/N = 3) of 0.025-0.070 μg L-1 and good enrichment factors (46-49) were obtained. Besides, the proposed SBSE-HPLC-PDA method was successfully applied to determine trace PUHs in food and environmental water samples with recoveries in the range of 80.0-104.8% and the precisions (relative standard deviations, RSDs) lower than 9.9% (n = 3). This work revealed the potential of MONs in SBSE of trace contaminants from environmental samples.
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18
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do Carmo SN, Mendes LD, Corazza G, Comelli H, Merib J, Carasek E. Determination of pesticides of different chemical classes in drinking water of the state of Santa Catarina (Brazil) using solid-phase microextraction coupled to chromatographic determinations. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:43870-43883. [PMID: 32740839 DOI: 10.1007/s11356-020-10287-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 07/27/2020] [Indexed: 06/11/2023]
Abstract
The evaluation of the concentration of pesticides in drinking water presents a real concern. In this study, a simple and rapid method based on solid-phase microextraction (SPME) followed by gas chromatography-mass spectrometry and electron capture detectors was developed aiming at multiclass determination of 23 pesticides regulated by the Brazilian legislation. The extraction was carried out by direct immersion mode (DI-SPME) using DVB/Car/PDMS fiber coating. In order to improve the extraction efficiency, parameters such as temperature, salting-out effect, and extraction time were optimized. The method was evaluated using drinking water samples spiked with the analytes at different concentrations, and it showed good linearity in the range studied. The values obtained for limits of quantification (LOQ) were below the limits established by Brazilian regulations. Accuracy and precision of the method exhibited satisfactory results, providing relative recoveries from 70 to 123.34% at three spiked levels, and the relative standard deviations ranged from 0.53 to 24.8%. The method was applied in 20 drinking water samples from 13 cities in the State of Santa Catarina, Brazil.
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Affiliation(s)
| | - Leila Dorácio Mendes
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040900, Brazil
| | - Gabriela Corazza
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040900, Brazil
| | - Heloísa Comelli
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040900, Brazil
| | - Josias Merib
- Departamento de Farmacociências, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, 90050-170, Brazil
| | - Eduardo Carasek
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis, SC, 88040900, Brazil.
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19
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Arias PG, Martínez-Pérez-Cejuela H, Combès A, Pichon V, Pereira E, Herrero-Martínez JM, Bravo M. Selective solid-phase extraction of organophosphorus pesticides and their oxon-derivatives from water samples using molecularly imprinted polymer followed by high-performance liquid chromatography with UV detection. J Chromatogr A 2020; 1626:461346. [DOI: 10.1016/j.chroma.2020.461346] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/11/2020] [Accepted: 06/12/2020] [Indexed: 01/07/2023]
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20
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Tümay Özer E, Osman B, Parlak B. An experimental design approach for the solid phase extraction of some organophosphorus pesticides from water samples with polymeric microbeads. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104537] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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21
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Farajzadeh MA, Safi R, Yadeghari A. Magnetic solid-phase extraction method for extraction of some pesticides in vegetable and fruit juices. J Sep Sci 2020; 43:1523-1530. [PMID: 31989753 DOI: 10.1002/jssc.201900790] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 01/21/2020] [Accepted: 01/23/2020] [Indexed: 11/11/2022]
Abstract
A new version of magnetic solid-phase extraction performed in a narrow-bore tube has been proposed for the extraction and preconcentration of different pesticides from various vegetable and fruit juices followed by gas chromatography. A few milligrams of C8 @SiO2 @Fe3 O4 nanoparticles are added into an aqueous sample solution placed in a narrow-bore tube. The sorbent particles move down through the tube under gravity and are collected at the end of the tube by applying an external magnetic field. The end of the tube is narrower and it is connected to a stopcock. After a predetermined time, the stopcock is opened and the solution is passed through the bed of the sorbent maintained by the magnet. Then the adsorbed analytes are desorbed using an elution solvent. To achieve high enrichment factors, a dispersive liquid-liquid microextraction method is carried out. The nanoparticles were characterized by scanning electron microscopy, X-ray diffraction, and FTIR spectroscopy. Under the optimum extraction conditions, limits of detection and quantification were in the ranges of 0.1-0.3 and 0.3-0.9 μg/L, respectively. High enrichment factors (1166-1605) and good extraction recoveries (58-80%) were obtained.
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Affiliation(s)
- Mir Ali Farajzadeh
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.,Engineering Faculty, Near East University, 99138, Nicosia, North Cyprus, Mersin 10, Turkey
| | - Razieh Safi
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Adeleh Yadeghari
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
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22
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Scheel GL, Teixeira Tarley CR. Simultaneous microextraction of carbendazim, fipronil and picoxystrobin in naturally and artificial occurring water bodies by water-induced supramolecular solvent and determination by HPLC-DAD. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2019.111897] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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23
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Seebunrueng K, Phosiri P, Apitanagotinon R, Srijaranai S. A new environment-friendly supramolecular solvent-based liquid phase microextraction coupled to high performance liquid chromatography for simultaneous determination of six phenoxy acid herbicides in water and rice samples. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104418] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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24
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de Barros ALC, de Abreu CG, da Cunha CCRF, da Silva Rodrigues DA, Afonso RJDCF, da Silva GA. Method development for simultaneous determination of polar and nonpolar pesticides in surface water by low-temperature partitioning extraction (LTPE) followed by HPLC-ESI-MS/MS. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:31609-31622. [PMID: 31482525 DOI: 10.1007/s11356-019-06286-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 08/22/2019] [Indexed: 06/10/2023]
Abstract
During this research, chemometric approaches were applied for optimization of the low-temperature partitioning extraction (LTPE) for the simultaneous analysis of the pesticides: acephate, difenoconazole, fenamidone, fluazifop, fluazinam, methamidophos, and thiamethoxam from surface water samples and determination by high-performance liquid chromatography-electrospray ionization-tandem mass spectrometry. It was used the 23 full factorial and the Doehlert experimental designs. The extraction technique was optimized by evaluating the effects of the three variables: sample pH, ionic strength (addition of Na2HPO4), and organic solvent volume. Considering the interest to find an optimal condition for all analytes simultaneously, the best extraction parameters found were as follows: pH = 5.33, concentration of Na2HPO4 = 0.0088 mol L-1 and organic phase volume = 4.5 mL. The optimized methodology showed LOD and LOQ levels from 0.33 to 8.13 ng L-1 and from 1.09 to 26.84 ng L-1, respectively. The recovery values ranged from 38.37 and 99.83% and the RSD values varied from 2.33 to 18.92%. The method was applied to surface water analysis sampled in areas with intensive agricultural practices in Ouro Branco City, Minas Gerais, Brazil. The difenoconazole was detected in concentrations between 12.53 and 94.76 ng L-1.
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Affiliation(s)
- André Luis Correa de Barros
- Postgraduation Program in Environmental Engineering (ProAmb), Federal University of Ouro Preto (UFOP), Ouro Preto, MG, 35400-000, Brazil
| | - Cíntia Grossi de Abreu
- Department of Chemistry, Federal University of Ouro Preto (UFOP), Ouro Preto, MG, 35400-000, Brazil
| | | | | | | | - Gilmare Antônia da Silva
- Department of Chemistry, Federal University of Ouro Preto (UFOP), Ouro Preto, MG, 35400-000, Brazil.
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25
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Triassi M, Nardone A, Giovinetti MC, De Rosa E, Canzanella S, Sarnacchiaro P, Montuori P. Ecological risk and estimates of organophosphate pesticides loads into the Central Mediterranean Sea from Volturno River, the river of the "Land of Fires" area, southern Italy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 678:741-754. [PMID: 31082780 DOI: 10.1016/j.scitotenv.2019.04.202] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 04/12/2019] [Accepted: 04/12/2019] [Indexed: 06/09/2023]
Abstract
The organophosphate pesticides pollution in the Volturno River and its environmental impact on the Tyrrhenian Sea (Central Mediterranean Sea) were estimated. Eight selected organophosphate pesticides (diazinon, dimethoate, malathion, chlorpyrifos, pirimiphos-methyl, fenitrothion, methidathion and tolclofos-methyl) were determined in the water dissolved phase, suspended particulate matter and sediment samples collected from 10 sites in different seasons. Total organophosphate pesticides concentrations ranged from 0.12 to 65.09 ng L-1 in water (as the sum of the water dissolved phase and suspended particulate matter) and from 1.19 to 23.17 ng g-1 in sediment samples. It has been calculated that the discharge of pollutants from the Volturno river into the Tyrrhenian Sea was about 71.815, 31 g year-1; for this reason the river is to be considered one of the main mouths of organophosphate pesticides in the Tyrrhenian Sea. In relation to environmental risk assessment, the concentrations of most OPPs in water and sediments from the Volturno River and its estuary were lower than guideline values, but the mean concentration of chlorpyrifos (5.41 ng L-1) in the Volturno River and Estuary has been shown that the ecological integrity of the river watercourse is possibly at risk.
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Affiliation(s)
- Maria Triassi
- Department of Public Health, University "Federico II", Via Sergio Pansini n° 5, 80131 Naples, Italy
| | - Antonio Nardone
- Department of Public Health, University "Federico II", Via Sergio Pansini n° 5, 80131 Naples, Italy
| | | | - Elvira De Rosa
- Department of Public Health, University "Federico II", Via Sergio Pansini n° 5, 80131 Naples, Italy
| | - Silvia Canzanella
- Department of Public Health, University "Federico II", Via Sergio Pansini n° 5, 80131 Naples, Italy
| | - Pasquale Sarnacchiaro
- Department of Economics, University Unitelma Sapienza, Viale Regina Elena 295, Rome, Italy
| | - Paolo Montuori
- Department of Public Health, University "Federico II", Via Sergio Pansini n° 5, 80131 Naples, Italy.
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26
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Xu M, Huang H, Li N, Li F, Wang D, Luo Q. Occurrence and ecological risk of pharmaceuticals and personal care products (PPCPs) and pesticides in typical surface watersheds, China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 175:289-298. [PMID: 30898333 DOI: 10.1016/j.ecoenv.2019.01.131] [Citation(s) in RCA: 122] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 12/24/2018] [Accepted: 01/17/2019] [Indexed: 05/08/2023]
Abstract
To evaluate the occurrence and ecological risk of organic contaminants in aquatic environment in China, a method for simultaneously detecting 130 pharmaceuticals and personal care products (PPCPs) and 35 pesticides has been established using solid phase extraction-ultra performance liquid chromatography-tandem mass spectrometry (SPE-UPLC-MS/MS) method. In the present survey, a total of 122 target compounds (103 PPCPs and 19 pesticides) were detected in seven major watersheds in China, with average concentrations ranged from 0.02 ng/L (sulfamerazine) to 332.75 ng/L (bisphenol A), revealing that PPCPs and pesticides were widely distributed in surface water of China. Antibiotics and organophosphorus were the most ubiquitously PPCPs and pesticides, respectively; quinolones were the predominant antibiotics, most of which were detected in more than 96% sampling sites, with average concentrations ranged from 2.14 to 309.67 ng/L; six pesticides including isoprocarb, fenobucarb, acetamiprid, imidacloprid, acetochlor and bentazone were detected in more than 80% sampling sites, with average concentrations ranged from 5.62 to 225.93 ng/L; more than half of the non-antibiotic pharmaceuticals were hormones; and diethyltoluamide (DEET) was predominant personal care products; The risk assessment showed that each watershed was at potential medium ecological risk based on their mean concentration (RQTotal > 1), and pesticides were the main compounds arising risks.
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Affiliation(s)
- Meijia Xu
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
| | - Huiting Huang
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Na Li
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
| | - Fang Li
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Donghong Wang
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.
| | - Qian Luo
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
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27
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Talaee M, Lorestani B, Ramezani M, Cheraghi M, Jamehbozorgi S. Microfunnel-filter-based emulsification microextraction followed by gas chromatography for simple determination of organophosphorus pesticides in environmental water samples. J Sep Sci 2019; 42:2418-2425. [PMID: 31074562 DOI: 10.1002/jssc.201900132] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 04/19/2019] [Accepted: 05/03/2019] [Indexed: 11/09/2022]
Abstract
A simple and fast method named microfunnel-filter-based emulsification microextraction is introduced for an efficient determination of some organophosphorus pesticides including diazinon, malathion, and chlorpyrifos in the environmental samples including the river, sea, and well water. This method is based upon the dispersion of a low-toxicity organic solvent (dihexyl ether), as the extractant, in a high volume of an aqueous sample solution (45 mL). It is implemented without a centrifugation step, and using a syringe filter and a micro-funnel, the phase separation and transfer of the enriched analytes to the gas chromatograph are simply achieved. By filtration of the extractant phase, a suitable sample clean-up is obtained, and the total extraction time is just a few minutes. The factors influencing the extraction efficiency are optimized, and under the optimal conditions, the proposed method provides a good linearity (in the range of 15-1500 ng/mL (R2 > 0.996). A high enrichment factor is obtained (in the range of 306-342), and the method provides low limits of detection and quantification (in the ranges of 4-8 and 15-25 ng/mL, respectively).
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Affiliation(s)
- Mitra Talaee
- Department of Environmental Science, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran
| | - Bahareh Lorestani
- Department of Environmental Science, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran
| | - Majid Ramezani
- Department of Chemistry, College of Basic Sciences, Arak Branch, Islamic Azad University, Arak, Iran
| | - Mehrdad Cheraghi
- Department of Environmental Science, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran
| | - Saeed Jamehbozorgi
- Department of Chemistry, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran
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28
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Esfandiarnejad R, Sereshti H. Designing an absolutely solvent-free binary extraction system as a green strategy for ultra-trace analysis of chlorophenols. Microchem J 2019. [DOI: 10.1016/j.microc.2019.01.072] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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29
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Hashemi SH, Yahyavi H, Kaykhaii M, Hashemi M, Mirmoghaddam M, Keikha AJ. Spectrofluorometrical Determination of Vitamin B
1
in Different Matrices Using Box‐Behnken Designed Pipette Tip Solid Phase Extraction by a Carbon Nanotube Sorbent. ChemistrySelect 2019. [DOI: 10.1002/slct.201803731] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sayyed Hossein Hashemi
- Department of Marine ChemistryFaculty of Marine ScienceChabahar Maritime University Chabahar Iran
| | - Hossein Yahyavi
- Department of ChemistryFaculty of SciencesUniversity of Sistan and Baluchestan Zahedan Iran
| | - Massoud Kaykhaii
- Department of ChemistryFaculty of SciencesUniversity of Sistan and Baluchestan Zahedan Iran
| | - Mohammad Hashemi
- Department of BiochemistrySchool of MedicineZahedan University of Medical Sciences Zahedan, Iran
| | - Majid Mirmoghaddam
- Department of ChemistryFaculty of SciencesUniversity of Sistan and Baluchestan Zahedan Iran
| | - Ahmad Jamali Keikha
- Department of Mechanical EngineeringFaculty of Marine EngineeringChabahar Maritime University Chabahar Iran
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30
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Solid phase extraction of pesticides from environmental waters using an MSU-1 mesoporous material and determination by UPLC-MS/MS. Talanta 2019; 199:612-619. [PMID: 30952305 DOI: 10.1016/j.talanta.2019.02.092] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 02/14/2019] [Accepted: 02/15/2019] [Indexed: 01/08/2023]
Abstract
This paper describes the synthesis of a silica based MSU-1 mesoporous solid and its application as sorbent in solid-phase extraction to pre-concentrate thirteen pesticides of low-high polarity (methomyl, cymoxanil, carbofuran, monolinuron, isoproturon, methidathion, methiocarb, malathion, phosalone, diazinon, penconazole, neburon and chlorotoluron) in ground and river water. The synthesis was based in an H-bonding interaction assembling (I0N0) between two non-ionic components (the inorganic silica surface, I0 and the polyethylene oxide template, N0) by adding tetraethoxysilane to the non-ionic surfactant Brij®100, the latter previously dissolved in HCl 1 M. 50 mL water samples adjusted at pH= 3.5 were passed, at a flow rate of 5 mL/min, through a home-made cartridge containing 50 mg of MSU-1 sorbent, pre-conditioned with 5 mL of ultrapure water; then, the cartridge was washed with 5 mL of ultrapure water. Following elution with 5 mL of acetonitrile, the pesticides were determined by ultra performance liquid chromatography coupled to triple quadrupole-mass spectrometry. Two selected reaction monitoring transitions were monitored per compound, the most intense one being used for quantification and the second one for confirmation. Three points were used for identification, as established in the Directive 96/23/EC for LC-MS/MS analysis, which deals with confirmatory methods for organic residues and contaminants listed in the Group B (veterinary drugs and contaminants). Medium matrix effect (|20%|<ME<|50%|) was found for methiocarb and malathion, whereas diazinon and phosalone showed strong matrix effect (ME≥>|50%|). Therefore, the standard addition methodology was applied by adding an adequate amount of the pesticide standard mixture to the final sample extract. All pesticides were quantified using this approach for practical reasons, thus avoiding two different calibrations. The method quantification limit (MQL) of pesticides was 0.01 μg/L for all of them, except for diazinon (0.1 μg/L). Recoveries of the target pesticides at MQL and 0.25 µg/L concentration levels in blank river water were in the range 70.1-113.5% and 86.7-107.3%, respectively, with RSDs lower than 16.3% and 15.7%, respectively. Four ground water samples and three river water samples, taken from Almería (Spain), were analyzed by the proposed method and only phosalone at a concentration level of 0.05 µg/L was found in one river water sample.
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31
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Reinholds I, Jansons M, Pugajeva I, Bartkevics V. Recent Applications of Carbonaceous Nanosorbents in Solid Phase Extraction for the Determination of Pesticides in Food Samples. Crit Rev Anal Chem 2018; 49:439-458. [DOI: 10.1080/10408347.2018.1542586] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Ingars Reinholds
- Animal Health and Environment “BIOR”, University Institute of Food Safety, Riga, Latvia
- Faculty of Chemistry, University of Latvia, Riga, Latvia
| | - Martins Jansons
- Animal Health and Environment “BIOR”, University Institute of Food Safety, Riga, Latvia
| | - Iveta Pugajeva
- Animal Health and Environment “BIOR”, University Institute of Food Safety, Riga, Latvia
| | - Vadims Bartkevics
- Animal Health and Environment “BIOR”, University Institute of Food Safety, Riga, Latvia
- Faculty of Chemistry, University of Latvia, Riga, Latvia
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32
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Liang D, Liu W, Raza R, Bai Y, Liu H. Applications of solid-phase micro-extraction with mass spectrometry in pesticide analysis. J Sep Sci 2018; 42:330-341. [DOI: 10.1002/jssc.201800804] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 10/21/2018] [Accepted: 11/14/2018] [Indexed: 12/14/2022]
Affiliation(s)
- Dapeng Liang
- Key Lab of Groundwater Resources and Environment of Ministry of Education; College of New Energy and Environment; Jilin University; Changchun P. R. China
| | - Wenjie Liu
- Key Lab of Groundwater Resources and Environment of Ministry of Education; College of New Energy and Environment; Jilin University; Changchun P. R. China
| | - Rabia Raza
- Beijing National Laboratory for Molecular Sciences; Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education; Institute of Analytical Chemistry; College of Chemistry and Molecular Engineering; Peking University; Beijing P. R. China
| | - Yu Bai
- Beijing National Laboratory for Molecular Sciences; Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education; Institute of Analytical Chemistry; College of Chemistry and Molecular Engineering; Peking University; Beijing P. R. China
| | - Huwei Liu
- Beijing National Laboratory for Molecular Sciences; Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education; Institute of Analytical Chemistry; College of Chemistry and Molecular Engineering; Peking University; Beijing P. R. China
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33
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Pellicer-Castell E, Belenguer-Sapiña C, Amorós P, El Haskouri J, Herrero-Martínez JM, Mauri-Aucejo A. Study of silica-structured materials as sorbents for organophosphorus pesticides determination in environmental water samples. Talanta 2018; 189:560-567. [DOI: 10.1016/j.talanta.2018.07.044] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 07/11/2018] [Accepted: 07/12/2018] [Indexed: 11/29/2022]
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Ndifreke WE, Pasaoglulari Aydinlik N. KOH modified Thevetia peruviana shell activated carbon for sorption of dimethoate from aqueous solution. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2018; 54:1-13. [PMID: 30285582 DOI: 10.1080/03601234.2018.1501143] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 06/25/2018] [Indexed: 06/08/2023]
Abstract
Modified Thevetia peruviana shell activated carbon for sorption of dimethoate from aqueous solution derived with potassium hydroxide (KOH) was studied at different concentrations for its potential application in water treatment. The batch sorption was investigated using dimethoate solution of 10-100 mg/L concentrations. Proximate analysis was determined and changes on the surfaces and structure of the TPS were characterized after chemical activation with KOH using XRD, FTIR, SEM-EDAX, pHpzc, BET. The quantum chemical calculation for dimethoate yielded molecule associated energies of -9.8421 (HOMO) and -2.3879 (LUMO) and a total energy of -53,376.2. The kinetic of the sorption was modeled which indicated the sorption equilibrium time as 90 min and pseudo-first order kinetics model showing R2 = 0.994 provided a better description of the process. Analysis of sorption equilibrium revealed that the data fitted well to Freundlich sorption isotherm model (R2 = 0.966), indicating multi-layer sorption of dimethoate on the surface of sorbent. The sorption of dimethoate onto KOHTPS shows 92.60% removal efficiency.
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Affiliation(s)
- Williams Etuk Ndifreke
- a Faculty of Engineering, Department of Environmental Science , Cyprus International University , Nicosia , Turkey
- b Environmental Research Centre , Cyprus International University , Nicosia , Turkey
| | - Nur Pasaoglulari Aydinlik
- a Faculty of Engineering, Department of Environmental Science , Cyprus International University , Nicosia , Turkey
- b Environmental Research Centre , Cyprus International University , Nicosia , Turkey
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35
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Qin SB, Fan YH, Mou XX, Li XS, Qi SH. Preparation of phenyl-modified magnetic silica as a selective magnetic solid-phase extraction adsorbent for polycyclic aromatic hydrocarbons in soils. J Chromatogr A 2018; 1568:29-37. [DOI: 10.1016/j.chroma.2018.07.026] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 07/02/2018] [Accepted: 07/05/2018] [Indexed: 12/24/2022]
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36
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Hollow-fiber renewal liquid membrane extraction coupled with 96-well plate system as innovative high-throughput configuration for the determination of endocrine disrupting compounds by high-performance liquid chromatography-fluorescence and diode array detection. Anal Chim Acta 2018; 1040:33-40. [PMID: 30327111 DOI: 10.1016/j.aca.2018.07.032] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 07/09/2018] [Accepted: 07/16/2018] [Indexed: 11/23/2022]
Abstract
This paper describes a new configuration of the hollow fiber renewal liquid membrane (HFRLM) procedure for the high-throughput determination of the endocrine disrupting compounds 4-nonylphenol, 4-octylphenol, 4-tert-octylphenol, methylparaben, ethylparaben and bisphenol A using a 96-well plate system and high-performance liquid chromatography. In this configuration, cylindrical blades were adapted as a support for polypropylene membranes used as supported liquid membranes in the HFRLM approach. The proposed configuration exhibited important advantages including high-throughput, low solvent and sample consumption, and good analytical performance. The optimized extraction conditions were achieved with the use of a mixture comprised of 50:50 v/v 1-octanol:hexane as the supported liquid membrane, sample pH 5, extraction solvent 15 μL (hexane) and extraction time 45 min. The limits of quantification varied from 0.5 μg L-1 for 4-octylphenol to 15 μg L-1 for methylparaben and ethylparaben and the r2 ranged from 0.9908 for methylparaben to 0.9992 for 4-tert-octylphenol. HFRLM combined with the use of a 96-well plate provides an environmentally-friendly configuration. It offers good accuracy when applied to analyze water samples, with relative recoveries ranging from 72 to 130%, for 4-octylphenol and 4-nonylphenol, respectively, and precision varying from 1 to 14.3%, for 4-nonylphenol at 1.0 μg L-1 and bisphenol A at 8.0 μg L-1, respectively.
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37
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In situ ionic liquid dispersive liquid-liquid microextraction coupled to gas chromatography-mass spectrometry for the determination of organophosphorus pesticides. J Chromatogr A 2018; 1559:95-101. [DOI: 10.1016/j.chroma.2017.12.059] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 12/19/2017] [Accepted: 12/21/2017] [Indexed: 12/25/2022]
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38
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Magnetic molecularly imprinted polymer nanoparticles for dispersive micro solid-phase extraction and determination of buprenorphine in human urine samples by HPLC-FL. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2018. [DOI: 10.1007/s13738-018-1355-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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39
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Guan SH, Huang MW, Li X, Cai Q. Determination of Atrazine, Simazine, Alachlor, and Metolachlor in Surface Water Using Dispersive Pipette Extraction and Gas Chromatography–Mass Spectrometry. ANAL LETT 2018. [DOI: 10.1080/00032719.2017.1341904] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Sharon Hongxia Guan
- School of Science and Technology, Georgia Gwinnett College, Lawrenceville, GA, USA
| | | | - Xiaoping Li
- School of Science and Technology, Georgia Gwinnett College, Lawrenceville, GA, USA
| | - Qingsong Cai
- The Complex Carbohydrate Research Center, University of Georgia, Athens, GA, USA
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40
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Samsidar A, Siddiquee S, Shaarani SM. A review of extraction, analytical and advanced methods for determination of pesticides in environment and foodstuffs. Trends Food Sci Technol 2018. [DOI: 10.1016/j.tifs.2017.11.011] [Citation(s) in RCA: 206] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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41
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A sensing colorimetric method based on in situ formation of gold nanoparticles after dispersive liquid-liquid microextraction for determination of zineb. Microchem J 2017. [DOI: 10.1016/j.microc.2017.01.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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42
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Filippou O, Bitas D, Samanidou V. Green approaches in sample preparation of bioanalytical samples prior to chromatographic analysis. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1043:44-62. [DOI: 10.1016/j.jchromb.2016.08.040] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 08/21/2016] [Accepted: 08/27/2016] [Indexed: 01/07/2023]
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43
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Alemayehu Y, Tolcha T, Megersa N. Salting-Out Assisted Liquid-Liquid Extraction Combined with HPLC for Quantitative Extraction of Trace Multiclass Pesticide Residues from Environmental Waters. ACTA ACUST UNITED AC 2017. [DOI: 10.4236/ajac.2017.87033] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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44
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Dimpe KM, Nomngongo PN. Current sample preparation methodologies for analysis of emerging pollutants in different environmental matrices. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2016.05.023] [Citation(s) in RCA: 115] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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45
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Montuori P, Aurino S, Garzonio F, Sarnacchiaro P, Polichetti S, Nardone A, Triassi M. Estimates of Tiber River organophosphate pesticide loads to the Tyrrhenian Sea and ecological risk. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 559:218-231. [PMID: 27065443 DOI: 10.1016/j.scitotenv.2016.03.156] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Revised: 03/21/2016] [Accepted: 03/21/2016] [Indexed: 06/05/2023]
Abstract
The organophosphate pesticides pollution in the Tiber River and its environmental impact on the Tyrrhenian Sea (Central Mediterranean Sea) were estimated. Eight selected organophosphate pesticides (diazinon, dimethoate, malathion, chlorpyrifos, pirimiphos-methyl, fenitrothion, methidathion, tolclofos-methyl) were determined in the water dissolved phase, suspended particulate matter and sediment samples collected from 21 sites in different seasons. Total organophosphate pesticides concentrations ranged from 0.40 to 224.48ngL(-1) in water (as the sum of the water dissolved phase and suspended particulate matter) and from 1.42 to 68.46ngg(-1) in sediment samples. Contaminant discharges of organophosphate pesticides into the sea were calculated in about 545.36kgyear(-1) showing that this river should be consider as one of the main contribution sources of organophosphate pesticides to the Tyrrhenian Sea. In relation to the eco-toxicological assessment, the concentrations of most OPPs in the water and sediments from the Tiber River and its estuary were lower than guideline values.
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Affiliation(s)
- Paolo Montuori
- Department of Public Health, University "Federico II", Via Sergio Pansini nº 5, 80131 Naples, Italy.
| | - Sara Aurino
- Department of Public Health, University "Federico II", Via Sergio Pansini nº 5, 80131 Naples, Italy
| | - Fatima Garzonio
- Department of Public Health, University "Federico II", Via Sergio Pansini nº 5, 80131 Naples, Italy
| | - Pasquale Sarnacchiaro
- Department of Economics, University Unitelma Sapienza, Viale Regina Elena nº 295, 00161 Rome, Italy
| | - Salvatore Polichetti
- Department of Public Health, University "Federico II", Via Sergio Pansini nº 5, 80131 Naples, Italy
| | - Antonio Nardone
- Department of Public Health, University "Federico II", Via Sergio Pansini nº 5, 80131 Naples, Italy
| | - Maria Triassi
- Department of Public Health, University "Federico II", Via Sergio Pansini nº 5, 80131 Naples, Italy
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46
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Abdel Ghani SB, Hanafi AH. QuEChERS method combined with GC‒MS for pesticide residues determination in water. JOURNAL OF ANALYTICAL CHEMISTRY 2016. [DOI: 10.1134/s1061934816050117] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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47
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Chang PL, Hsieh MM, Chiu TC. Recent Advances in the Determination of Pesticides in Environmental Samples by Capillary Electrophoresis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:409. [PMID: 27070634 PMCID: PMC4847071 DOI: 10.3390/ijerph13040409] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Revised: 03/31/2016] [Accepted: 03/31/2016] [Indexed: 01/10/2023]
Abstract
Nowadays, owing to the increasing population and the attempts to satisfy its needs, pesticides are widely applied to control the quantity and quality of agricultural products. However, the presence of pesticide residues and their metabolites in environmental samples is hazardous to the health of humans and all other living organisms. Thus, monitoring these compounds is extremely important to ensure that only permitted levels of pesticide are consumed. To this end, fast, reliable, and environmentally friendly methods that can accurately analyze dilute, complex samples containing both parent substances and their metabolites are required. Focusing primarily on research published since 2010, this review summarizes the use of various sample pretreatment techniques to extract pesticides from various matrices, combined with on-line preconcentration strategies for sensitivity improvement, and subsequent capillary electrophoresis analysis.
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Affiliation(s)
- Po-Ling Chang
- Department of Chemistry, Tunghai University, Taichung 40704, Taiwan.
| | - Ming-Mu Hsieh
- Department of Chemistry, National Kaohsiung Normal University, 62, Shenjhong Road, Yanchao District, Kaohsiung 82446, Taiwan.
| | - Tai-Chia Chiu
- Department of Applied Science, National Taitung University, 369, Section 2, University Road, Taitung 95092, Taiwan.
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48
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Barfi B, Rajabi M, Asghari A. A Simple Organic Solvent-Free Liquid-Liquid Microextraction Method for the Determination of Potentially Toxic Metals as 2-(5-Bromo-2-pyridylazo)-5-(diethylamino)phenol Complex from Food and Biological Samples. Biol Trace Elem Res 2016; 170:496-507. [PMID: 26329998 DOI: 10.1007/s12011-015-0489-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Accepted: 08/20/2015] [Indexed: 02/07/2023]
Abstract
An organic solvent-free method was developed to extract some potentially toxic metals, as complexed with 2-(5-bromo-2-pyridylazo)-5-(diethylamino)phenol, from different real samples prior to their determination by microsampling flame atomic absorption spectrometry. The method, named ionic liquid-based ultrasound-enhanced air-assisted liquid-liquid microextraction (IL-USE-AALLME), is based upon withdrawing and pushing out a mixture of an aqueous sample and an IL (as the extraction solvent) for several times into a conical test tube using a single syringe, placed in an ultrasound bath (as the enhancing mass transfer agent) during the extraction process. Different effective parameters were studied, and at the optimized conditions, limits of detection, linear dynamic ranges, and enrichment factors were ranged from 0.9 to 2.2 μg L(-1), 3.0 to 1023 μg L(-1), and 20 ± 2 to 22 ± 2, respectively. After optimization, the method was successfully applied to determine Pb(2+), Cu(2+), Co(2+), Ni(2+), and Cr(3+) in different biological (hair and nail), vegetable (coriander, parsley, and tarragon), fruit juice (apple, orange, and peach), and water (tap, mineral, and wastewater) samples. The proposed method was compared with two other IL-based and disperser solvent-free methods (i.e., IL-based air-assisted liquid-liquid microextraction and IL-based ultrasound-assisted emulsification microextraction) to demonstrate its performance.
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Affiliation(s)
- Behruz Barfi
- Department of Chemistry, Semnan University, Semnan, 35195-363, Iran
| | - Maryam Rajabi
- Department of Chemistry, Semnan University, Semnan, 35195-363, Iran.
| | - Alireza Asghari
- Department of Chemistry, Semnan University, Semnan, 35195-363, Iran
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49
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Polymer monolith microextraction using poly(butyl methacrylate-co-1,6-hexanediol ethoxylate diacrylate) monolithic sorbent for determination of phenylurea herbicides in water samples. Talanta 2016; 147:199-206. [DOI: 10.1016/j.talanta.2015.09.057] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Revised: 09/22/2015] [Accepted: 09/23/2015] [Indexed: 11/22/2022]
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50
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Menezes HC, Paulo BP, Paiva MJN, Cardeal ZL. A Simple and Quick Method for the Determination of Pesticides in Environmental Water by HF-LPME-GC/MS. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2016; 2016:7058709. [PMID: 27774336 PMCID: PMC5059603 DOI: 10.1155/2016/7058709] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 08/18/2016] [Accepted: 09/01/2016] [Indexed: 05/07/2023]
Abstract
This paper describes a simple and quick method for sampling and also for carrying out the preconcentration of pesticides in environmental water matrices using two-phased hollow fiber liquid phase microextraction (HF-LPME). Factors such as extraction mode, time, solvents, agitation, and salt addition were investigated in order to validate the LPME method. The following conditions were selected: 6 cm of polypropylene hollow fiber, ethyl octanoate as an acceptor phase, and extraction during 30 min under stirring at 200 rpm. The optimized method showed good linearity in the range of 0.14 to 200.00 μg L-1; the determination coefficient (R2) was in the range of 0.9807-0.9990. The LOD ranged from 0.04 μg L-1 to 0.44 μg L-1, and LOQ ranged from 0.14 μg L-1 to 1.69 μg L-1. The recovery ranged from 85.17% to 114.73%. The method was applied to the analyses of pesticides in three environmental water samples (a spring and few streams) collected in a rural area from the state of Minas Gerais, Brazil.
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Affiliation(s)
- Helvécio C. Menezes
- Departamento de Química, ICEx, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, 6627-31270901 Belo Horizonte, MG, Brazil
| | - Breno P. Paulo
- Departamento de Química, ICEx, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, 6627-31270901 Belo Horizonte, MG, Brazil
| | - Maria José N. Paiva
- Universidade Federal de São João Del Rei, Avenida Sebastião Gonçalves Coelho 400, Chanadour, 35501-296 Divinópolis, MG, Brazil
| | - Zenilda L. Cardeal
- Departamento de Química, ICEx, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, 6627-31270901 Belo Horizonte, MG, Brazil
- *Zenilda L. Cardeal:
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