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Niu J, Zhang Y, Li H, Hai X, Lu Q, Fu R, Ren T, Guo X, Di X. Switchable deep eutectic solvent as green and efficient media for liquid-phase microextraction of phenoxyacetic acid herbicides in water and food matrices. Food Chem 2024; 442:138433. [PMID: 38237292 DOI: 10.1016/j.foodchem.2024.138433] [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: 11/18/2023] [Revised: 12/31/2023] [Accepted: 01/11/2024] [Indexed: 02/15/2024]
Abstract
In this work, a switchable deep eutectic solvent (SDES) based on fatty acid and polyetheramine ion pair was prepared for liquid-phase microextraction (LPME) of phenoxyacetic acid herbicides in drinking water, beverage and honey matrices. The as-synthesized SDES equipped with an interesting characteristic of fast and reversible polarity switching, achieving homogeneous extraction and rapid bi-phase separation simultaneously. Several key parameters affecting the extraction performance were investigated comprehensively by Box-Behnken design. Under the optimal conditions, the method exhibited excellent linearity (15-4000 μg L-1), low detection limits (3-5 μg L-1), desirable precision (RSD < 8.1 %), and satisfactory recovery (72.6-98.7 %). More importantly, the introduction of SDES can simplify the pre-treatment procedure, shorten extraction time (4 min), and avoid the usage of traditional organic solvent during the whole extraction process. In addition, the switching mechanism of SDES was characterized by FT-IR and 1H NMR, and the forming mechanism of SDES was investigated using density-functional theory. The green of the method was estimated using the analytical ecological scale, the analytical green calculator, and the green analytical procedure index. The cytotoxicity of SDES was investigated and the result displayed that toxicity of the SDES was very low with the EC50 > 500 mg/L. Therefore, the proposed method was green and efficient and revealed considerable application prospects for the extraction of trace analytes from complex materials.
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Affiliation(s)
- Jiaxiao Niu
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Yanhui Zhang
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Hongbo Li
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Xiaoqin Hai
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Qingxin Lu
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Ruiyu Fu
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Tingze Ren
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Xiaoli Guo
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Ningxia Minority Medicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China.
| | - Xin Di
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Ningxia Minority Medicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China.
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Jan S, Mishra AK, Bhat MA, Bhat MA, Jan AT. Pollutants in aquatic system: a frontier perspective of emerging threat and strategies to solve the crisis for safe drinking water. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:113242-113279. [PMID: 37864686 DOI: 10.1007/s11356-023-30302-4] [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: 02/02/2023] [Accepted: 10/03/2023] [Indexed: 10/23/2023]
Abstract
Water is an indispensable natural resource and is the most vital substance for the existence of life on earth. However, due to anthropogenic activities, it is being polluted at an alarming rate which has led to serious concern about water shortage across the world. Moreover, toxic contaminants released into water bodies from various industrial and domestic activities negatively affect aquatic and terrestrial organisms and cause serious diseases such as cancer, renal problems, gastroenteritis, diarrhea, and nausea in humans. Therefore, water treatments that can eliminate toxins are very crucial. Unfortunately, pollution treatment remains a difficulty when four broad considerations are taken into account: effectiveness, reusability, environmental friendliness, and affordability. In this situation, protecting water from contamination or creating affordable remedial techniques has become a serious issue. Although traditional wastewater treatment technologies have existed since antiquity, they are both expensive and inefficient. Nowadays, advanced sustainable technical approaches are being created to replace traditional wastewater treatment processes. The present study reviews the sources, toxicity, and possible remediation techniques of the water contaminants.
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Affiliation(s)
- Saima Jan
- School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, 185234, J&K, India
| | | | - Mujtaba Aamir Bhat
- School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, 185234, J&K, India
| | - Mudasir Ahmad Bhat
- School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, 185234, J&K, India
| | - Arif Tasleem Jan
- School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, 185234, J&K, India.
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3
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Borsatto JVB, Lanças FM. Recent Trends in Graphene-Based Sorbents for LC Analysis of Food and Environmental Water Samples. Molecules 2023; 28:5134. [PMID: 37446796 DOI: 10.3390/molecules28135134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 06/22/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023] Open
Abstract
This review provides an overview of recent advancements in applying graphene-based materials as sorbents for liquid chromatography (LC) analysis. Graphene-based materials are promising for analytical chemistry, including applications as sorbents in liquid chromatography. These sorbents can be functionalized to produce unique extraction or stationary phases. Additionally, graphene-based sorbents can be supported in various materials and have consequently been applied to produce various devices for sample preparation. Graphene-based sorbents are employed in diverse applications, including food and environmental LC analysis. This review summarizes the application of graphene-based materials in food and environmental water analysis in the last five years (2019 to 2023). Offline and online sample preparation methods, such as dispersive solid phase microextraction, stir bar sorptive extraction, pipette tip solid phase extraction, in-tube solid-phase microextraction, and others, are reviewed. The review also summarizes the application of the columns produced with graphene-based materials in separating food and water components and contaminants. Graphene-based materials have been reported as stationary phases for LC columns. Graphene-based stationary phases have been reported in packed, monolithic, and open tubular columns and have been used in LC and capillary electrochromatography modes.
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Affiliation(s)
- João V B Borsatto
- Laboratory of Chromatography, Institute of Chemistry at Sao Carlos, University of Sao Paulo, P.O. Box 780, São Carlos 13566-590, Brazil
| | - Fernando M Lanças
- Laboratory of Chromatography, Institute of Chemistry at Sao Carlos, University of Sao Paulo, P.O. Box 780, São Carlos 13566-590, Brazil
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Borsatto JVB, Maciel EVS, Cifuentes A, Lanças FM. Applicability and Limitations of a Capillary-LC Column-Switching System Using Hybrid Graphene-Based Stationary Phases. Molecules 2023; 28:4999. [PMID: 37446660 DOI: 10.3390/molecules28134999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/15/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023] Open
Abstract
Graphene oxide sheets fixed over silica particles (SiGO) and their modification functionalized with C18 and endcapped (SiGO-C18ec) have been reported as sorbents for extraction and analytical columns in LC. In this study, a SiGO column was selected as the extraction column and a SiGO-C18ec as the analytical column to study the applicability and limitations of a column-switching system composed exclusively of columns packed with graphene-based sorbents. Pyriproxyfen and abamectin B1a were selected as the analytes, and orange-flavored carbonated soft drinks as the matrix. The proposed system could be successfully applied to the pyriproxyfen analysis in a concentration range between 0.5 to 25 µg/mL presenting a linearity of R2 = 0.9931 and an intra-day and inter-day accuracy of 82.2-111.4% (RSD < 13.3%) and 95.5-99.8% (RSD < 12.7%), respectively. Furthermore, the matrix composition affected the area observed for the pyriproxyfen: the higher the concentration of orange juice in the soft drink, the higher the pyriproxyfen the signal observed. Additionally, the SiGO extraction column presented a life use of 120 injections for this matrix. In contrast, the proposed system could not apply to the analysis of abamectin B1a, and the SiGO-C18ec analytical column presented significant tailing compared to a similar approach with a C18 analytical column.
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Affiliation(s)
- João Victor Basolli Borsatto
- Laboratory of Chromatography, Institute of Chemistry at Sao Carlos, University of Sao Paulo, P.O. Box 780, Sao Carlos 13566590, Brazil
- Laboratory of Foodomics, Institute of Food Science Research (CIAL, CSIC), Nicolás Cabrera 9, 28049 Madrid, Spain
| | - Edvaldo Vasconcelos Soares Maciel
- Laboratory of Chromatography, Institute of Chemistry at Sao Carlos, University of Sao Paulo, P.O. Box 780, Sao Carlos 13566590, Brazil
- Clemens Schöpf Institute, Department of Chemistry, Technical University of Darmstadt, 64287 Darmstadt, Germany
| | - Alejandro Cifuentes
- Laboratory of Foodomics, Institute of Food Science Research (CIAL, CSIC), Nicolás Cabrera 9, 28049 Madrid, Spain
| | - Fernando Mauro Lanças
- Laboratory of Chromatography, Institute of Chemistry at Sao Carlos, University of Sao Paulo, P.O. Box 780, Sao Carlos 13566590, Brazil
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Kori AH, Jagirani MS, Soylak M. Graphene-Based Nanomaterials: A Sustainable Material for Solid-Phase Microextraction (SPME) for Environmental Applications. ANAL LETT 2023. [DOI: 10.1080/00032719.2023.2173221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Abdul Hameed Kori
- Faculty of Sciences, Department of Chemistry, Erciyes University, Kayseri, Turkey
- National Center of Excellence in Analytical Chemistry, University of Sindh, Sindh, Pakistan
| | - Muhammad Saqaf Jagirani
- Faculty of Sciences, Department of Chemistry, Erciyes University, Kayseri, Turkey
- National Center of Excellence in Analytical Chemistry, University of Sindh, Sindh, Pakistan
| | - Mustafa Soylak
- Faculty of Sciences, Department of Chemistry, Erciyes University, Kayseri, Turkey
- Technology Research and Application Center (TAUM), Erciyes University, Kayseri, Turkey
- Turkish Academy of Sciences (TUBA), Cankaya, Ankara, Turkey
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Werner J, Kohut K, Frankowski R, Zgoła-Grześkowiak A. Application of phosphonium deep eutectic solvents as extractants in ultrasound-assisted dispersive liquid-liquid microextraction for preconcentration of trace amounts of herbicides in drainage ditches waters. J Sep Sci 2023; 46:e2200682. [PMID: 36373174 DOI: 10.1002/jssc.202200682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 11/09/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022]
Abstract
In this study, an efficient preconcentration method was presented that is based on dispersive liquid-liquid microextraction taking the advantage of newly synthesized phosphonium deep eutectic solvents used as extractants and ultrasound probe as a dispersing agent. The extracts obtained were analyzed by high-performance liquid chromatography. To optimize the five most important factors for the microextraction procedure a central composite design plan was used. Under optimal conditions (140 μl of extractant, 60 mg of NaCl, pH = 2.0, 120 s of extraction time with ultrasound probe as the dispersing agent, 16 min of centrifugation for phase separation), the proposed method allowed to achieve good precision with RSD between 3.2% and 9.7% at 1.0, 5.0 and 40.0 ng ml levels. The preconcentration factors were equal to 42, 39, and 41, and the limits of detection 0.128, 0.103, and 0.135 ng/ml for dicamba, 2-methyl-4-chlorophenoxyacetic acid, and 2-methyl-4-chlorophenoxypropionic acid, respectively. The proposed method was successfully applied for the determination of chlorophenoxy acid herbicides in water samples from drainage ditches with a good recovery in the range of 70%-93%.
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Affiliation(s)
- Justyna Werner
- Department of Chemical Technology, Faculty of Chemical Technology, Poznan University of Technology, Poznan, Poland
| | - Karolina Kohut
- Department of Chemical Technology, Faculty of Chemical Technology, Poznan University of Technology, Poznan, Poland
| | - Robert Frankowski
- Department of Chemical Technology, Faculty of Chemical Technology, Poznan University of Technology, Poznan, Poland
| | - Agnieszka Zgoła-Grześkowiak
- Department of Chemical Technology, Faculty of Chemical Technology, Poznan University of Technology, Poznan, Poland
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Nguyen TT, Nguyen TP, Tran LN, Huynh TTT, Nguyen NH, Nguyen LHT, Le TTM, Doan TLH, Nguyen MA, Tran PH. DABCOnium Ionic Liquid‐Immobilized Silica Gel for Solid Phase Extraction of Phenoxyacetic Acid Herbicides in Water Samples**. ChemistrySelect 2022. [DOI: 10.1002/slct.202203526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- The Thai Nguyen
- Department of Organic Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
| | - Thinh Phuc Nguyen
- Department of Analytical Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
| | - Long Nam Tran
- Department of Analytical Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
| | - Tam Thanh Thi Huynh
- Department of Organic Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
| | - Nhi Hoang Nguyen
- Department of Organic Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
| | - Linh Ho Thuy Nguyen
- Department of Analytical Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Center for Innovative Materials and Architectures (INOMAR) Ho Chi Minh City Vietnam
| | - Tien Thi My Le
- Department of Analytical Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Center for Innovative Materials and Architectures (INOMAR) Ho Chi Minh City Vietnam
| | - Tan Le Hoang Doan
- Department of Analytical Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Center for Innovative Materials and Architectures (INOMAR) Ho Chi Minh City Vietnam
| | - Mai Anh Nguyen
- Department of Analytical Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
| | - Phuong Hoang Tran
- Department of Organic Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
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8
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Development of a green deep eutectic solvent-based thin film solid phase microextraction technique for the preconcentration of chlorophenoxy acid herbicides in drainage ditches and river waters using a central composite design. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Graphene oxide-based a network porous poly (trially isocyanurate-co-methacrylate) monolithic column for HPLC separation of aromatic molecular and lipopeptide antibiotics. J Chromatogr B Analyt Technol Biomed Life Sci 2022; 1203:123310. [DOI: 10.1016/j.jchromb.2022.123310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 05/19/2022] [Accepted: 05/21/2022] [Indexed: 11/18/2022]
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Xu S, Liu H, Long A, Li H, Chen C, Feng S, Fan J. Carbon Dot-Decorated Graphite Carbon Nitride Composites for Enhanced Solid-Phase Microextraction of Chlorobenzenes from Water. NANOMATERIALS 2022; 12:nano12030335. [PMID: 35159684 PMCID: PMC8838722 DOI: 10.3390/nano12030335] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 01/25/2023]
Abstract
In this work, carbon dot-decorated graphite carbon nitride composites (CDs/g-C3N4) were synthesized and innovatively used as a SPME coating for the sensitive determination of chlorobenzenes (CBs) from water samples, coupled with gas chromatography-mass spectrometry. The CDs/g-C3N4 coating presented superior extraction performance in comparison to pristine g-C3N4, owing to the enhancement of active groups by CDs. The extraction capacities of as-prepared SPME coatings are higher than those of commercial coatings due to the functions of nitrogen-containing and oxygen-containing group binding, π-π stacking, and hydrophobic interactions. Under optimized conditions, the proposed method exhibits a wide linearity range (0.25-2500 ng L-1), extremely low detection of limits (0.002-0.086 ng L-1), and excellent precision, with relative standard deviations of 5.3-9.7% for a single fiber and 7.5-12.6% for five fibers. Finally, the proposed method was successfully applied for the analysis of CBs from real river water samples, with spiked recoveries ranging from 73.4 to 109.1%. This study developed a novel and efficient SPME coating material for extracting organic pollutants from environmental samples.
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Affiliation(s)
- Shengrui Xu
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China; (H.L.); (H.L.); (C.C.)
- Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution and Control, Ministry of Education, School of Environment, Henan Normal University, Xinxiang 453007, China;
- Correspondence: (S.X.); (S.F.)
| | - Hailin Liu
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China; (H.L.); (H.L.); (C.C.)
| | - Anying Long
- 113 Geological Brigade, Guizhou Bureau of Geology and Mineral Resources, Liupanshui 553000, China;
| | - Huimin Li
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China; (H.L.); (H.L.); (C.C.)
| | - Changpo Chen
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China; (H.L.); (H.L.); (C.C.)
| | - Suling Feng
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China; (H.L.); (H.L.); (C.C.)
- Correspondence: (S.X.); (S.F.)
| | - Jing Fan
- Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution and Control, Ministry of Education, School of Environment, Henan Normal University, Xinxiang 453007, China;
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Peng S, Huang X, Huang Y, Huang Y, Zheng J, Zhu F, Xu J, Ouyang G. Novel solid-phase microextraction fiber coatings: A review. J Sep Sci 2021; 45:282-304. [PMID: 34799963 DOI: 10.1002/jssc.202100634] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 11/13/2021] [Accepted: 11/15/2021] [Indexed: 12/27/2022]
Abstract
The materials used for the fabrication of solid-phase microextraction fiber coatings in the past five years are summarized in the current review, including carbon, metal-organic frameworks, covalent organic frameworks, aerogel, polymer, ionic liquids/poly (ionic liquids), metal oxides, and natural materials. The preparation approaches of different coatings, such as sol-gel technique, in-situ growth, electrodeposition, and glue methods, are briefly reviewed together with the evolution of the supporting substrates. In addition, the limitations of the current coatings and the future development directions of solid-phase microextraction are presented.
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Affiliation(s)
- Sheng Peng
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Xiaoyu Huang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Yuyan Huang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Yiquan Huang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Juan Zheng
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Fang Zhu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Jianqiao Xu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Gangfeng Ouyang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
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12
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[Recent advance of new sample preparation materials in the analysis and detection of environmental pollutants]. Se Pu 2021; 39:781-801. [PMID: 34212580 PMCID: PMC9404022 DOI: 10.3724/sp.j.1123.2021.02030] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
针对复杂样品的分析和痕量目标物的检测,样品前处理是必不可少的,高效的样品前处理技术不仅可以去除或减小样品基质干扰而且能够实现分析物的富集,提高分析检测的准确性和灵敏度。近年来,固相萃取、磁分散固相萃取、枪头固相萃取、搅拌棒萃取、固相微萃取等高效的样品前处理技术已在环境污染物分析检测中获得广泛关注,萃取效率主要取决于萃取材料,所以新型的高效萃取材料一直是样品前处理研究领域的重要发展方向。该文总结和讨论了近年来新型样品前处理材料在环境污染物分析检测中的研究进展,主要聚焦在石墨烯、氧化石墨烯、碳纳米管、无机气凝胶、有机气凝胶、三嗪基功能材料、三嗪基聚合物、分子印迹聚合物、共价有机框架材料、金属有机框架材料以及它们的功能化萃取材料等。这些材料已经被应用于环境样品中不同类别污染物的萃取富集,如重金属离子、多环芳烃、塑化剂、烷烃、苯酚、氯酚、氯苯、多溴联苯醚、全氟磺酸、全氟羧酸、雌激素、药物残留、农药残留等。这些样品前处理材料具有高的表面积、大量的吸附位点,并涉及多种萃取机理如π-π、静电、疏水、亲水、氢键、卤键等相互作用。基于这些萃取材料的多种样品前处理技术与各类检测方法如色谱、质谱、原子吸收光谱、荧光光谱、离子迁移谱等相结合,已广泛应用于环境污染物的高灵敏分析检测。最后,该文总结了样品前处理发展中存在的问题,并展望了其未来在环境分析中的发展趋势。
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13
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LI Z, LI N, ZHAO T, ZHANG Z, WANG M. [Fabrication of nanomaterials incorporated polymeric monoliths and application in sample pretreatment]. Se Pu 2021; 39:229-240. [PMID: 34227305 PMCID: PMC9403804 DOI: 10.3724/sp.j.1123.2020.05030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Indexed: 11/25/2022] Open
Abstract
Polymeric monolithic columns are fabricated by in situ polymerization of the corresponding monomer, crosslinkers, porogenic solvents and radical initiators within a mold. Compared with the conventional packed solid phase extraction adsorbents, polymeric monolithic columns with a continuous porous structure process distinctive advantages of rapid mass transfer and excellent permeability, which facilitates the extraction of trace amounts of the target from the matrix even at high flow velocities. Besides, these materials can be easily fabricated in situ within various cartridges, avoiding a further packing step associated with packed particulate adsorbents. Additionally, the abundant monomer availability, flexible porous structure, and wide applicable pH range make monoliths versatile for use in separation science. Thus, polymeric monolithic columns have been increasingly applied as efficient and promising extraction media for sample pretreatment food, pharmaceutical, biological and environmental analyses. However, these materials usually have the difficulty in morphology control and their interconnected porous micro-globular structure, which may result in low porosity, limited specific surface area and poor efficiency. In addition, polymeric monoliths suffer from the swelling in organic solvents, thus decreasing the service life and precision while increasing the cost consumption. Recently, the development of nanomaterial-incorporated polymeric monoliths with an improved ordered structure, enhanced adsorption efficiency and outstanding selectivity has attracted considerable attention. Nanoparticles are considered as particulates within the size range of 1-100 nm in at least one dimension, which endows them with unique optical, electrical and magnetic properties. These materials have a large surface area, excellent thermal and chemical stabilities, remarkable versatility, as well as a wide variety of active functional groups on their surface. With the aim of exploiting these advantages, researchers have shown great interest in applying nanomaterial-incorporated polymeric monoliths to separation science. Accordingly, significant progress has been achieved in this field. Nanomaterials can be entrapped via the direct synthesis of a polymerization solution that contains well dispersed nanomaterials in porogens. In addition, nanoparticles can be incorporated into the monolithic matrix by copolymerization and post-polymerization modification via specific interactions. Therefore, nanomaterial-incorporated polymeric monoliths combined the different shapes, chemical properties, and physical properties of the polymers with those of the nanoparticles. The presence of nanoparticles can improve the structural rigidity as well as the thermal and chemical stabilities of monolithic adsorbents. Besides, nanoparticles are capable of increasing the specific surface area and providing multiple active sites, which leads to enhanced extraction performance and selectivity of polymeric monolithic materials. In recent years, diverse types of nanomaterials, such as carbonaceous nanoparticles, metallic materials and metal oxides, metal-organic frameworks, covalent organic frameworks and inorganic nanoparticles have been extensively explored as hybrid adsorbents in the modes of solid phase extraction, solid phase microextraction, stir bar sorption extraction and on-line solid phase extraction. This review specifically summarizes the fabrication methods for nanomaterial incorporated polymeric monoliths and their application to the field of sample pretreatment. The existing challenges and future possible perspectives in the field are also discussed.
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Affiliation(s)
- Ziling LI
- 华北理工大学公共卫生学院, 河北 唐山 063210
- School of Public Health, North China University of Science and Technology, Tangshan 063210, China
| | - Na LI
- 华北理工大学公共卫生学院, 河北 唐山 063210
- School of Public Health, North China University of Science and Technology, Tangshan 063210, China
| | - Tengwen ZHAO
- 华北理工大学公共卫生学院, 河北 唐山 063210
- School of Public Health, North China University of Science and Technology, Tangshan 063210, China
| | - Ziyang ZHANG
- 华北理工大学公共卫生学院, 河北 唐山 063210
- School of Public Health, North China University of Science and Technology, Tangshan 063210, China
| | - Manman WANG
- 华北理工大学公共卫生学院, 河北 唐山 063210
- School of Public Health, North China University of Science and Technology, Tangshan 063210, China
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Wu J, Lu G, Huang X. Fabrication of monolith-based solid-phase microextraction for effective extraction of total chromium in milk and tea samples prior to HPLC/DAD analysis. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105549] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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15
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Deokar SK, Theng PG, Mandavgane SA. Batch and packed bed techniques for adsorptive aqueous phase removal of selected phenoxyacetic acid herbicide using sugar industry waste ash. INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING 2020. [DOI: 10.1515/ijcre-2020-0084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Batch and packed bed adsorption of 4-chloro-2-methylphenoxyacetic acid (MCPA) herbicide was performed using bagasse fly ash (BFA) as an adsorbent. In batch process, characteristics of adsorbent, and the influence of adsorbent dosage, initial herbicide concentration, time, pH, particle size of adsorbent and temperature on adsorption were studied. Results disclose higher removal of MCPA on bigger particles of BFA owing to higher specific surface area because of greater carbon and lesser silica percentage in bigger particles. Application of isotherm models in present study indicates the best fitting of Langmuir and Temkin isotherms whereas the kinetic models suggest the suitability of pseudo second order and Elovich models. Thermodynamic study specifies the temperature preferred adsorption process. In packed bed technique, the effect of influent concentration, flow rate and bed height were investigated. The deactivation kinetic model which was previously considered only for studies in gas-solid adsorption is applied in this study to solid-liquid adsorption along with conventional packed bed models. In packed bed study, Bohart-Adams and Wolborska models are appropriate to explain the experimental data upto 60% saturation of the column. The deactivation kinetic model is found the best to elucidate the nature of breakthrough curves till the complete saturation of column. Batch capacity and packed bed capacity per m2 specific surface area of BFA is found about two and three times greater than the previously used adsorbents for MCPA respectively.
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Affiliation(s)
- Sunil K. Deokar
- Chemical Engineering Department , Anuradha Engineering College , Chikhli , Dist. Buldana 443201 , India
| | - Pooja G. Theng
- Chemical Engineering Department , Anuradha Engineering College , Chikhli , Dist. Buldana 443201 , India
| | - Sachin A. Mandavgane
- Chemical Engineering Department , Visvesvaraya National Institute of Technology , South Ambazari Road , Nagpur 440010 , India
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Su Y, Wang S, Zhang N, Cui P, Gao Y, Bao T. Zr-MOF modified cotton fiber for pipette tip solid-phase extraction of four phenoxy herbicides in complex samples. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 201:110764. [PMID: 32480162 DOI: 10.1016/j.ecoenv.2020.110764] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 05/11/2020] [Accepted: 05/13/2020] [Indexed: 05/19/2023]
Abstract
Phenoxy herbicides are widely applied in agricultural weeding. The determination of herbicides is important in environmental protection, agricultural production, food safety, and public health. In this study, a facile and efficient analytical method was proposed for the trace detection of phenoxy herbicides in soil, cucumber, and tap water samples by coupling pipette tip solid phase extraction (PT-SPE) with high performance liquid chromatography. UiO-66-funtionalized cotton (Cotton@UiO-66) was packed into pipette-tip as sorbent to fabricate extraction device. The modification of UiO-66 on cotton fiber was confirmed using scanning electron microscope, Fourier transform infrared spectroscopy, and X-ray diffraction. The main factors affecting the adsorption of Cotton@UiO-66 for four phenoxy herbicides were evaluated by response surface methodology in detail. Under optimized conditions, Cotton@UiO-66 displayed excellent properties in the extraction of phenoxy herbicides with good peak shape. Linear ranges of 4-chlorophenoxyacetic acid, dicamba, 2,4-dichlorophenoxyacetic acid, and 2-(2,4-dichlorophenoxy) propionic acid were 1.4-72 μg/L, 5.6-280 μg/L, 2.8-140 μg/L and 3.2-160 μg/L (RSDs < 6.3%), respectively. The recoveries were between 83.3 and 106.8% with RSDs <6.7%, with detection limits ranging from 0.1 μg/L to 0.3 μg/L. The results show that Cotton@UiO-66 in PT-SPE is an effective method for monitoring phenoxy herbicides in complex samples.
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Affiliation(s)
- Ying Su
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China; Shaanxi Engineering Research Center of Cardiovascular Drugs Screening & Analysis, Xi'an, 710061, China
| | - Sicen Wang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China; Shaanxi Engineering Research Center of Cardiovascular Drugs Screening & Analysis, Xi'an, 710061, China
| | - Nan Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China; Shaanxi Engineering Research Center of Cardiovascular Drugs Screening & Analysis, Xi'an, 710061, China
| | - Ping Cui
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China; Shaanxi Engineering Research Center of Cardiovascular Drugs Screening & Analysis, Xi'an, 710061, China
| | - Yan Gao
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China; Shaanxi Engineering Research Center of Cardiovascular Drugs Screening & Analysis, Xi'an, 710061, China
| | - Tao Bao
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China; Shaanxi Engineering Research Center of Cardiovascular Drugs Screening & Analysis, Xi'an, 710061, China.
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Li X, Dong S, Arul P, Liu H, Liu L, Wang H, Zhang Q, Gyimah E, Yakubu S, Zhang Z. A novel and facile immunosensor based on a barometer: Application for rapid analysis of Escherichia coli in waters. Talanta 2020; 214:120859. [PMID: 32278423 DOI: 10.1016/j.talanta.2020.120859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 02/19/2020] [Accepted: 02/20/2020] [Indexed: 10/25/2022]
Abstract
A facile immunosensor was constructed based on a barometer indicator using a double-antibody- sandwich method for rapid and sensitive detection of Escherichia coli (E. coli) from water samples. At the present study, Anti- E. coli DH-5 polyclonal antibody was modified through enriching carboxylated magnetic beads and catalase functionalized gold nanoparticles (AuNPs)- loaded nanospheres. The functionalized AuNPs-loaded nanospheres exhibited an excellent catalysis towards decomposition of hydrogen peroxide (H2O2), generating a large volume of oxygen (O2) into waters, increasing the pressure inside the glass vial, which in turn raised the water level in barometer. Under the optimized experimental conditions, the proposed method showed wide linear ranges (102- 107 cfu mL-1), good accuracy and precision (recoveries, 86.7- 107%; CV, 3.2- 8.1%) with a limit of detection (LOD, S/N = 3) and the limit of quantification (LOQ, S/N = 10) were 80 cfu mL-1and 267 cfu mL-1, respectively. Furthermore, the fabricated portable immunosensor device showed some distinct features in low cost and visibility, suggesting great potential for rapid and on-site analysis of this bacteria from waters in less developed areas of developing countries.
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Affiliation(s)
- Xuesong Li
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Shuaibing Dong
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - P Arul
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Huizi Liu
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Liyuan Liu
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Honglei Wang
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Qi Zhang
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Eric Gyimah
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Salome Yakubu
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Zhen Zhang
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China.
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Mehrani Z, Ebrahimzadeh H, Moradi E. Use of aloin-based and rosin-based electrospun nanofibers as natural nanosorbents for the extraction of polycyclic aromatic hydrocarbons and phenoxyacetic acid herbicides by microextraction in packed syringe method prior to GC-FID detection. Mikrochim Acta 2020; 187:401. [PMID: 32572604 DOI: 10.1007/s00604-020-04374-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 06/02/2020] [Indexed: 01/08/2023]
Abstract
The synthesis of three kinds of sorbents is described. The first kind was a hydrophobic nanofiber as a specific sorbent for non-polar compounds. The second one was a hydrophilic nanofiber as a specific sorbent for polar compounds and the third one was a generic sorbent synthesized from hydrophilic and hydrophobic compounds. The functional groups were natural compounds extracted from aloin plant and gum of pine tree. The aloin/polyacrylonitrile (PAN), rosin/PAN, and aloin/rosin/PAN electrospun nanofibers were synthesized through electrospinning strategy and then characterized using field emission scanning electron microscopy and Fourier transform infrared spectroscopy. Thereafter, the synthesized sorbents were used in microextraction using the packed syringe (MEPS) method. The determination was conducted using gas chromatography with flame ionization detection (GC-FID). Under the optimum condition, the method using aloin/rosin/PAN nanofibers as a sorbent showed a good linearity in the range 1.0-250 ng mL-1 for polycyclic aromatic hydrocarbons (PAHs) (as a model for non-polar compounds) and 1.0-200 ng mL-1 for phenoxyacetic acid herbicides (CAPs) (as a model for polar compounds) with correlation coefficient (R2) higher than 0.997. Limits of detections (LODs) for PAHs and CAPs were in the range 0.1-0.3 ng mL-1 and 0.3-0.5 ng mL-1, respectively. The intra-day (n = 3) and inter-day (between 3 days) relative standard deviations (RDSs%) were in the range 6.3-12.3% for a single syringe. Finally, the MEPS-GC-FID method was applied as a simple, facile, and time and cost-effective method to analyze environmental, farm, and industrial water samples. Graphical abstract Herein, aloin/rosin/polyacrylonitrile (PAN) electrospun nanofiber was successfully synthesized and applied as a sorbent for extraction of polycyclic aromatic hydrocarbons (PAHs) as non-polar compounds and phenoxyacetic acid herbicides (CPAs) as polar compounds from aqueous solutions before GC-FID analysis.
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Affiliation(s)
- Zahra Mehrani
- Department of Chemistry and Pollutants, Shahid Beheshti University, G.C., Evin, P.O. Box 1983969411, Tehran, Iran
| | - Homeira Ebrahimzadeh
- Department of Chemistry and Pollutants, Shahid Beheshti University, G.C., Evin, P.O. Box 1983969411, Tehran, Iran.
| | - Ebrahim Moradi
- Department of Chemistry and Pollutants, Shahid Beheshti University, G.C., Evin, P.O. Box 1983969411, Tehran, Iran
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Hou X, Yu H, Yan S, Xiao J, Sun M, Wu W. Cationic polyelectrolyte/graphene oxide as an efficient sorbent for the extraction and analysis of trace acidic herbicides in vegetables. J Chromatogr A 2020; 1618:460884. [DOI: 10.1016/j.chroma.2020.460884] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Revised: 01/11/2020] [Accepted: 01/12/2020] [Indexed: 12/24/2022]
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Nemati M, Farajzadeh MA, Mohebbi A, Khodadadeian F, Afshar Mogaddam MR. Development of a stir bar sorptive extraction method coupled to solidification of floating droplets dispersive liquid–liquid microextraction based on deep eutectic solvents for the extraction of acidic pesticides from tomato samples. J Sep Sci 2020; 43:1119-1127. [DOI: 10.1002/jssc.201901000] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Revised: 12/13/2019] [Accepted: 12/14/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Mahboob Nemati
- Pharmaceutical Analysis Research Center and Faculty of PharmacyTabriz University of Medical Sciences Tabriz Iran
| | - Mir Ali Farajzadeh
- Department of Analytical ChemistryFaculty of ChemistryUniversity of Tabriz Tabriz Iran
- Engineering FacultyNear East University Nicosia Turkey
| | - Ali Mohebbi
- Department of Analytical ChemistryFaculty of ChemistryUniversity of Tabriz Tabriz Iran
| | - Fariba Khodadadeian
- Department of Inorganic ChemistryFaculty of ChemistryAzarbaijan Shahid Madani University Tabriz Iran
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Ahmadi-Jouibari T, Noori N, Sharafi K, Fattahi N. Ultra-preconcentration of common herbicides in aqueous samples using solid phase extraction combined with dispersive liquid–liquid microextraction followed by HPLC–UV. TOXIN REV 2019. [DOI: 10.1080/15569543.2019.1677718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Affiliation(s)
- Toraj Ahmadi-Jouibari
- Clinical Research Development Center, Imam Khomeini and Mohammad Kermanshahi and Farabi Hospitals, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Negar Noori
- Clinical Research Development Center, Imam Khomeini and Mohammad Kermanshahi and Farabi Hospitals, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Kiomars Sharafi
- Research Center for Environmental Determinants of Health (RCEDH), Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Nazir Fattahi
- Research Center for Environmental Determinants of Health (RCEDH), Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Li W, Zhang J, Zhu W, Qin P, Zhou Q, Lu M, Zhang X, Zhao W, Zhang S, Cai Z. Facile preparation of reduced graphene oxide/ZnFe 2O 4 nanocomposite as magnetic sorbents for enrichment of estrogens. Talanta 2019; 208:120440. [PMID: 31816803 DOI: 10.1016/j.talanta.2019.120440] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 09/18/2019] [Accepted: 10/03/2019] [Indexed: 12/18/2022]
Abstract
Reduced graphene oxide/ZnFe2O4 (rGO/ZnFe2O4) nanocomposite was facile prepared and applied as magnetic sorbent for the extraction of estrogens including 17β-estradiol, 17α-estradiol, estrone and hexestrol from water, soil, and fish samples prior to HPLC analysis. The rGO/ZnFe2O4 nanocomposite was characterized by scanning electron microscope, Fourier transform-infrared spectroscopy, X-ray diffraction, and vibrating sample magnetometer. The experimental parameters affecting the efficiency of magnetic solid-phase extraction (MSPE) including the amount of material, extraction time, pH, temperature, desorption solvents, desorption time, and desorption solvent volume were investigated respectively. With the developed method, good linearity was observed in the range of 0.05-500 ng/mL with the correlation coefficients (R2) between 0.9978 and 0.9993. The limits of detection (S/N = 3) and limits of quantification (S/N = 10) were achieved at 0.01-0.02 ng/mL and 0.05 ng/mL, respectively. The enrichment factors were calculated as the range of 241-288. Using rGO/ZnFe2O4 nanocomposite as the sorbent, the developed MSPE followed by HPLC analysis, was applied to analysis of estrogens in river water, soil and fish samples. The method has the potential application in the extraction and preconcentration ultra trace compounds in complex matrices, such as environmental and biological samples.
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Affiliation(s)
- Wenqi Li
- Henan International Joint Laboratory of Medicinal Plants Utilization, School of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, Henan, China
| | - Jing Zhang
- Henan International Joint Laboratory of Medicinal Plants Utilization, School of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, Henan, China
| | - Wenli Zhu
- Henan International Joint Laboratory of Medicinal Plants Utilization, School of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, Henan, China
| | - Peige Qin
- Henan International Joint Laboratory of Medicinal Plants Utilization, School of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, Henan, China
| | - Qian Zhou
- Henan International Joint Laboratory of Medicinal Plants Utilization, School of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, Henan, China
| | - Minghua Lu
- Henan International Joint Laboratory of Medicinal Plants Utilization, School of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, Henan, China.
| | - Xuebin Zhang
- Center for Multi-Omics Research, Institute of Plant Stress Biology, Henan University, Kaifeng, 475004, Henan, China
| | - Wuduo Zhao
- Center for Advanced Analysis and Computational Science, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Shusheng Zhang
- Center for Advanced Analysis and Computational Science, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Zongwei Cai
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong SAR, China.
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Hou X, Tang S, Wang J. Recent advances and applications of graphene-based extraction materials in food safety. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.07.014] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Poly (Octadecyl Methacrylate-Co-Trimethylolpropane Trimethacrylate) Monolithic Column for Hydrophobic in-Tube Solid-Phase Microextraction of Chlorophenoxy Acid Herbicides. Molecules 2019; 24:molecules24091678. [PMID: 31036796 PMCID: PMC6540311 DOI: 10.3390/molecules24091678] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 04/22/2019] [Accepted: 04/25/2019] [Indexed: 01/15/2023] Open
Abstract
Chlorophenoxy acid herbicides (CAHs), which are widely used on cereal crops, have become an important pollution source in grains. In this work, a highly hydrophobic poly (octadecyl methacrylate-co-trimethylolpropane trimethacrylate) [poly (OMA-co-TRIM)] monolithic column has been specially prepared for hydrophobic in-tube solid-phase microextraction (SPME) of CAHs in rice grains. Due to the hydrophobicity of CAHs in acid conditions, trace CAHs could be efficiently extracted by the prepared monolith with strong hydrophobic interaction. Several factors for online hydrophobic in-tube SPME, including the length of the monolithic column, ACN and trifluoroacetic acid percentage in the sampling solution, elution volume, and elution flow rate, were investigated with respect to the extraction efficiencies of CAHs. Under the optimized conditions, the limits of detection of the four CAHs fell in the range of 0.9–2.1 μg/kg. The calibration curves provided a wide linear range of 5–600 μg/kg and showed good linearity. The recoveries of this method ranged from 87.3% to 111.6%, with relative standard deviations less than 7.3%. Using this novel, highly hydrophobic poly (OMA-co-TRIM) monolith as sorbent, a simple and sensitive online in-tube SPME-HPLC method was proposed for analysis of CAHs residue in practical samples of rice grains.
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Mei M, Huang X, Chen L. Recent development and applications of poly (ionic liquid)s in microextraction techniques. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.01.003] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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