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Firouzy M, Ghiasvand A, Hashemi P. Harnessing an amide-based covalent organic framework in solid-phase extraction for chlorophenol analysis in industrial wastewaters. J Sep Sci 2024; 47:e2400113. [PMID: 38819739 DOI: 10.1002/jssc.202400113] [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: 02/09/2024] [Revised: 04/16/2024] [Accepted: 04/24/2024] [Indexed: 06/01/2024]
Abstract
An amide-based covalent organic framework (COF) was successfully synthesized using the reaction between 1,3,5-trimesoyl chloride and ethylenediamine. The structure and morphology of the COF were characterized using Fourier-transform infrared spectra, nuclear magnetic resonance spectroscopy, X-ray diffraction, scanning electron microscopy, energy-dispersive X-ray spectroscopy, and Brunauer-Emmett-Teller surface area analysis. The COF was employed as a solid-phase extraction adsorbent for the sampling and preconcentration of chlorophenols from industrial wastewater samples prior to high-performance liquid chromatography with ultraviolet detection. The experimental parameters influencing the extraction efficiency including type and volume of eluent solvent, sample solution volume, salt concentration, sample flow rate, and sample solution pH were investigated and optimized using a response surface methodology employing Box-Behnken-design. Under optimized conditions, calibration curves exhibited good linearities over the range of 0.003-10 µg/mL with determination coefficients (R2) ranging from 0.9982 to 0.9999. The method's limits of detection ranged from 0.001 to 0.01 µg/mL. Good repeatability was achieved with relative standard deviations below 4.7%. The developed procedure utilizing the COF adsorbent was successfully applied to determine chlorophenols accurately and precisely in various industrial wastewater samples.
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Affiliation(s)
- Masoumeh Firouzy
- Department of Analytical Chemistry, Faculty of Chemistry, Lorestan University, Khorramabad, Iran
| | - Alireza Ghiasvand
- Department of Analytical Chemistry, Faculty of Chemistry, Lorestan University, Khorramabad, Iran
- Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Hobart, Australia
| | - Payman Hashemi
- Department of Analytical Chemistry, Faculty of Chemistry, Lorestan University, Khorramabad, Iran
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2
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Ma M, Niu Z, Tang Z, Bai J, Li B, Zhou Y, Wen Y. Coconut shell biochar application in liquid-solid microextraction of triazine herbicides from multi-media environmental samples. Anal Chim Acta 2023; 1261:341225. [PMID: 37147057 DOI: 10.1016/j.aca.2023.341225] [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: 01/06/2023] [Revised: 04/06/2023] [Accepted: 04/15/2023] [Indexed: 05/07/2023]
Abstract
A rapid, fast, widely applicable liquid-solid microextraction and purification method of triazine herbicides (TRZHs) in muti-media samples using salting-out assisted liquid-liquid extraction (SALLE) combined with self-assembled monolithic spin columns-solid phase micro extraction (MSC-SPME) was developed. Environmentally friendly coconut shell biochar (CSB) was used as the adsorbents of MSC-SPME. Ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) was the separation and determination method. The adsorption kinetics and isotherms were investigated to indicate the interaction between CSB and TRZHs. Several parameters influencing the liquid-solid microextraction efficiency, such as sample pH, salting-out solution volume and pH, sample loading speed, elution speed, elution ratio and volume of eluent were systematically investigated with the aid of orthogonal design. The whole extraction process was operated within 10 min. Under the optimum extraction and determination conditions, good linearities for three TRZHs were obtained in a range of 0.10-200.00 ng mL-1, with linear coefficients (R2) greater than 0.999. The limits of detection (LODs) and limits of quantification (LOQs) were in the range of 6.99-11.00 ng L-1 and 23.33-36.68 ng L-1, respectively. The recoveries of the three TRZHs in multi-media environmental samples were ranged from 69.00% to 124.72%, with relative standard deviations (RSDs) lower than 0.43%. This SALLE-MSC-SPME-UPLC-MS/MS method was successfully applied to the determination of TRZHs in environmental and food samples and exhibited the advantages of high efficiency and sensitivity, low cost, and environmental friendliness. Compared with the methods published before, CSB-MSC was green, rapid, easy-operated, and reduced the whole cost of the experiment; SALLE combined MSC-SPME eliminated the matrix references effectively; what's more, the SALLE-MSC-SPME-UPLC-MS/MS method could be applied to various sample without complicated sample pretreatment procedure.
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Affiliation(s)
- Mengge Ma
- Department of Environmental Science, School of Tropical Medicine, International School of Public Health and One Health, Hainan Medical University, Haikou, 571199, China
| | - Zongliang Niu
- Laboratory of Pathogenic Biology and Immunology, School of Basic Medicine and Life Science, Hainan Medical University, Haikou, 571199, China
| | - Zhuhua Tang
- Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Haikou, China
| | - Jinyang Bai
- Department of Environmental Science, School of Tropical Medicine, International School of Public Health and One Health, Hainan Medical University, Haikou, 571199, China
| | - Bei Li
- Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Haikou, China
| | - Yuling Zhou
- Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Haikou, China.
| | - Yingying Wen
- Department of Environmental Science, School of Tropical Medicine, International School of Public Health and One Health, Hainan Medical University, Haikou, 571199, China; Key Laboratory of Tropical Translational Medicine of Ministry of Education, NHC Key Laboratory of Tropical Disease Control, Haikou, 571199, China.
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3
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Li ZC, Li W, Wang R, Wang DX, Tang AN, Wang XP, Gao XP, Zhao GM, Kong DM. Lignin-based covalent organic polymers with improved crystallinity for non-targeted analysis of chemical hazards in food samples. JOURNAL OF HAZARDOUS MATERIALS 2023; 448:130821. [PMID: 36709736 DOI: 10.1016/j.jhazmat.2023.130821] [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: 10/20/2022] [Revised: 01/16/2023] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
Lignin, the most abundant source of renewable aromatic compounds derived from natural lignocellulosic biomass, has great potential for various applications as green materials due to its abundant active groups. However, it is still challenging to quickly construct green polymers with a certain crystallinity by utilizing lignin as a building block. Herein, new green lignin-based covalent organic polymers (LIGOPD-COPs) were one-pot fabricated with water as the reaction solvent and natural lignin as the raw material. Furthermore, by using paraformaldehyde as a protector and modulator, the LIGOPD-COPs prepared under optimized conditions displayed better crystallinity than reported lignin-based polymers, demonstrating the feasibility of preparing lignin-based polymers with improved crystallinity. The improved crystallinity confers LIGOPD-COPs with enhanced application performance, which was demonstrated by their excellent performances in sample treatment of non-targeted food safety analysis. Under optimized conditions, phytochromes, the main interfering matrices, were almost completely removed from different phytochromes-rich vegetables by LIGOPD-COPs, accompanied by "full recovery" of 90 chemical hazards. Green, low-cost, and reusable properties, together with improved crystallinity, will accelerate the industrialization and marketization of lignin-based COPs, and promote their applications in many fields.
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Affiliation(s)
- Zhan-Chao Li
- Henan Key Laboratory of Meat Processing and Quality Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, People's Republic of China; State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Wei Li
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China.
| | - Rui Wang
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Dong-Xia Wang
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - An-Na Tang
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Xiao-Peng Wang
- Henan Key Laboratory of Meat Processing and Quality Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, People's Republic of China
| | - Xiao-Ping Gao
- Henan Key Laboratory of Meat Processing and Quality Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, People's Republic of China
| | - Gai-Ming Zhao
- Henan Key Laboratory of Meat Processing and Quality Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, People's Republic of China
| | - De-Ming Kong
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China.
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4
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Zheng J, Kuang Y, Zhou S, Gong X, Ouyang G. Latest Improvements and Expanding Applications of Solid-Phase Microextraction. Anal Chem 2023; 95:218-237. [PMID: 36625125 DOI: 10.1021/acs.analchem.2c03246] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Juan Zheng
- Ministry of Education (MOE) Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry/School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510006, China
| | - Yixin Kuang
- Ministry of Education (MOE) Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry/School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510006, China
| | - Suxin Zhou
- Ministry of Education (MOE) Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry/School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510006, China
| | - Xinying Gong
- Ministry of Education (MOE) Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry/School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510006, China
| | - Gangfeng Ouyang
- Ministry of Education (MOE) Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry/School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510006, China
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5
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Almutairi EM, Ghanem MA, Al-Warthan A, Kuniyil M, Adil SF. Hydrazine High-Performance Oxidation and Sensing Using a Copper Oxide Nanosheet Electrocatalyst Prepared via a Foam-Surfactant Dual Template. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 13:129. [PMID: 36616039 PMCID: PMC9823773 DOI: 10.3390/nano13010129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 06/17/2023]
Abstract
This work demonstrates hydrazine electro-oxidation and sensing using an ultrathin copper oxide nanosheet (CuO-NS) architecture prepared via a versatile foam-surfactant dual template (FSDT) approach. CuO-NS was synthesised by chemical deposition of the hexagonal surfactant Brij®58 liquid crystal template containing dissolved copper ions using hydrogen foam that was concurrently generated by a sodium borohydride reducing agent. The physical characterisations of the CuO-NS showed the formation of a two-dimensional (2D) ultrathin nanosheet architecture of crystalline CuO with a specific surface area of ~39 m2/g. The electrochemical CuO-NS oxidation and sensing performance for hydrazine oxidation revealed that the CuO nanosheets had a superior oxidation performance compared with bare-CuO, and the reported state-of-the-art catalysts had a high hydrazine sensitivity of 1.47 mA/cm2 mM, a low detection limit of 15 μM (S/N = 3), and a linear concentration range of up to 45 mM. Moreover, CuO-NS shows considerable potential for the practical use of hydrazine detection in tap and bottled water samples with a good recovery achieved. Furthermore, the foam-surfactant dual template (FSDT) one-pot synthesis approach could be used to produce a wide range of nanomaterials with various compositions and nanoarchitectures at ambient conditions for boosting the electrochemical catalytic reactions.
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6
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Salamat Q, Yamini Y. Application of nanostructured supramolecular solvent based on C12mimBr ionic liquid surfactant to direct extraction of some chlorophenols in soil and rice samples. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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7
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Mokhtari N, Dinari M. Developing novel amine-linked covalent organic frameworks towards reversible iodine capture. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121948] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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8
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Majd M, Nojavan S, Maghsoudi M. Preparation of electrospun polyacrylonitrile/ϒ-cyclodextrin metal–organic framework nanofibers for extraction of multi-classes herbicides from cereal samples before HPLC-UV analysis. Food Chem 2022; 393:133350. [DOI: 10.1016/j.foodchem.2022.133350] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 05/22/2022] [Accepted: 05/28/2022] [Indexed: 01/06/2023]
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9
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Zhu P, Lin L, Chen W, Liu L. Ionic modification on COF with rare earth ions for the selective optical sensing and removal of picronitric acid. CHEMOSPHERE 2022; 302:134785. [PMID: 35500628 DOI: 10.1016/j.chemosphere.2022.134785] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 04/11/2022] [Accepted: 04/27/2022] [Indexed: 06/14/2023]
Abstract
In this work, we reported a modified COF material for trinitrophenol (TPA) ratiometric sensing and removal. Here a cationic covalent organic framework (C-COF) was prepared as host, while two Tb(III)-based ions were doped into C-COF as probe by ionic exchange reaction with probe loading level of ∼15%. In the absence of TPA, weak Tb(III) emission (489 nm, 545 nm, 585 nm) and bright red COF emission were observed (633 nm). The addition of TPA increased Tb(III) emission and decreased COF emission, following linear response within TPA concentration region of 0-9 μM. Their limit of detection values were determined as 0.9 μM and 4.5 μM, respectively. Corresponding working equations were fitted as I/I0 = 1.225 + 6.914 × 105 M-1[TPA], R2 = 0.997 for TbCF3-COF and I/I0 = 1.063 + 9.222 × 104 M-1 [TPA], R2 = 0.993 for TbDBM-COF. TbCF3-COF showed better sensing performance than TbDBM-COF, due to its suitable ligand triplet energy level. Their sensing mechanism was revealed as dopant "replacement", where dopant molecules loaded in COF micropore were replaced by TPA molecules, accompanied with energy competing on Tb(III) 5D4 level, showing ratiometric signals. Good selectivity and removal capacity (∼7.4 wt%) for TPA were achieved.
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Affiliation(s)
- Peibin Zhu
- School of Ocean Information Engineering, Jimei University, Xiamen, 361021, China.
| | - Lixiong Lin
- School of Ocean Information Engineering, Jimei University, Xiamen, 361021, China
| | - Wen Chen
- School of Ocean Information Engineering, Jimei University, Xiamen, 361021, China
| | - Liang Liu
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang, China
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10
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Fabrication of magnetic covalent organic framework for effective and selective solid-phase extraction of propylparaben from food samples. Food Chem 2022; 386:132843. [PMID: 35381536 DOI: 10.1016/j.foodchem.2022.132843] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 02/26/2022] [Accepted: 03/26/2022] [Indexed: 11/21/2022]
Abstract
Efficient magnetic solid phase extraction using crystalline porous polymers can find important applications in food safety. Herein, the core-shell Fe3O4@COFs nanospheres were synthesized by one-pot method and characterized in detail. The porous COF shell with large surface area had fast and selective adsorption for propylparaben via π-π, hydrogen bonding and hydrophobic interactions. The extraction and desorption parameters were evaluated in detail. Under the optimized conditions, the extraction equilibrium was reached only in 5 min, the maximum adsorption capacity for propylparaben was 500 mg g-1 and the proposed Fe3O4@DhaTab-based-MSPE-HPLC-UV method afforded good linearity (4-20000 μg mL-1) with R2 (0.997), low limits of detection (0.55 μg L-1) and limits of quantification (1.5 μg L-1). Furthermore, the developed method was applied to determine propylparaben in soft drinks with the recoveries (97.0-98.3%) and relative standard deviations (0.61 to 3.75%). These results revealed the potential of Fe3O4@DhaTab as efficient adsorbents for parabens in food samples.
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11
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Wang Y, Sun X, Wang Y. Synthesis of pH-responsive covalent organic frameworks nanocarrier for plumbagin delivery. RSC Adv 2022; 12:16046-16050. [PMID: 35733662 PMCID: PMC9136960 DOI: 10.1039/d2ra03127b] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 05/21/2022] [Indexed: 11/21/2022] Open
Abstract
Covalent organic frameworks have attracted increasing attention in the fields of nanotechnology and nanoscience. However, the biomedical applications of COFs still remain less explored. Here, a new type of nanoscale covalent organic framework (COF-366) composite was prepared by a facile solvothermal method. The obtained material was characterized by powder X-ray diffraction (XRD), Fourier transform-infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). The results showed that the COF-366 nanocarriers possess uniform spherical morphology with a diameter of 150 nm, which make them favourable for drug delivery. After the plumbagin encapsulation, an effective pH responsive release, high adsorption capacity, and good biocompatibility were achieved. These characteristics make nanoscale COF-366 an ideal material for drug delivery and reveal its promising application in biomedical applications.
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Affiliation(s)
- Yang Wang
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences Wenzhou 325024 China .,School of Chemistry and Chemical Engineering, Yangzhou University Yangzhou 225002 China
| | - Xin Sun
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences Wenzhou 325024 China
| | - Yi Wang
- School of Chemistry and Chemical Engineering, Yangzhou University Yangzhou 225002 China
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12
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Pan H, Gan Z, Hu H, Liu C, Huang Y, Ruan G. Magnetic phenolic resin core-shell structure derived carbon microspheres for ultrafast magnetic solid-phase extraction of triazine herbicides. J Sep Sci 2022; 45:2687-2698. [PMID: 35579607 DOI: 10.1002/jssc.202200283] [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: 04/05/2022] [Revised: 05/09/2022] [Accepted: 05/13/2022] [Indexed: 11/08/2022]
Abstract
In this study, monodisperse magnetic carbon microspheres were successfully synthesized through the carbonization of phenolic resin encapsulated Fe3 O4 core-shell structures. The magnetic carbon microspheres showed high performance in ultrafast extraction and separation of trace triazine herbicides from environmental water samples. Under optimized conditions, both the adsorption and desorption processes could be achieved in 2 min, and the maximum adsorption capacity for simazine and prometryn were 387.6 and 448.5 μg/g. Coupled with HPLC-UV detection technology, the detection limit of triazine herbicides was in the range of 0.30-0.41 ng/mL. The mean recoveries ranged from 81.44 to 91.03% with relative standard deviations lower than 7.47%. The excellent magnetic solid phase extraction performance indicates that magnetic carbon microspheres are promising candidate adsorbent for the fast analysis of environmental contaminants. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Hong Pan
- Guangxi Colleges and Universities Key Laboratory of Food Safety and Detection, College of Chemistry and Bioengineering, Guilin University of Technology, Guangxi, 541004, P. R. China
| | - Zushan Gan
- Guangxi Colleges and Universities Key Laboratory of Food Safety and Detection, College of Chemistry and Bioengineering, Guilin University of Technology, Guangxi, 541004, P. R. China
| | - Haoyun Hu
- Guangxi Colleges and Universities Key Laboratory of Food Safety and Detection, College of Chemistry and Bioengineering, Guilin University of Technology, Guangxi, 541004, P. R. China
| | - Cheng Liu
- Guangxi Colleges and Universities Key Laboratory of Food Safety and Detection, College of Chemistry and Bioengineering, Guilin University of Technology, Guangxi, 541004, P. R. 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, P. R. 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, P. R. China
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Lei H, He Q, Wu M, Xu Y, Sun P, Dong X. Piezoelectric polarization promoted spatial separation of photoexcited electrons and holes in two-dimensional g-C 3N 4 nanosheets for efficient elimination of chlorophenols. JOURNAL OF HAZARDOUS MATERIALS 2022; 421:126696. [PMID: 34332490 DOI: 10.1016/j.jhazmat.2021.126696] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/23/2021] [Accepted: 07/18/2021] [Indexed: 06/13/2023]
Abstract
Graphitic carbon nitride (g-C3N4) has been proved to be a potential photocatalyst for environment purification, but the high recombination rate of photogenerated carriers leads to the low photocatalytic efficiency. Herein, we report the enhanced degradation of chlorophenols by 2D ultrathin g-C3N4 nanosheets with intrinsic piezoelectricity through photopiezocatalysis strategy. Under the simultaneous visible-light irradiation and ultrasonic vibration, the 2D g-C3N4 presented improved removal efficiency for elimination of 2,4-dichlorophenol (2,4-DCP) with an apparent rate constant of 6.65 × 10-2 min-1, which was 6.7 and 2.2 times of the photocatalysis and piezocatalysis, respectively. The improved removal efficiency was attributed to the sufficient separation of free charges driven by the ultrasound-induced piezoelectric field in the 2D g-C3N4, which was demonstrated by the enhanced current response under photopiezocatalysis mode. Additionally, the photopiezocatalysis of 2D g-C3N4 was proved to possess well universality for removing different chlorophenols, as well as high durability and dechlorination efficiency. Finally, a possible photopiezocatalytic mechanism for removal of 2,4-DCP was proposed based on the electron paramagnetic resonance (EPR) technique and the determination of intermediates through liquid chromatography-mass spectrometry (LC-MS) analysis. This work provides a promising strategy for the design of energy-conversion materials towards capturing solar and mechanical energy in ambient environment.
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Affiliation(s)
- Hua Lei
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Qingshen He
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Meixuan Wu
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yingying Xu
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Pengfei Sun
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China.
| | - Xiaoping Dong
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China.
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14
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Ba X, Yun G, Hou Y, Zhang W, Zhao W, Yuan H, Zhang S. Covalent Triazine Framework Sorbent for Solid Phase Extraction of Fipronil and its Metabolite in Eggs with Ultra-High Performance Liquid Chromatography-Tandem Mass Spectrometry. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2021; 38:1495-1505. [PMID: 34157958 DOI: 10.1080/19440049.2021.1934573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
A solid-phase extraction (SPE) method was established for fipronil and its metabolite residues (fipronil desulfinyl, fipronil sulphone and fipronil sulphide) in eggs with a covalent triazine framework (CTF) porous material as the adsorbent followed by ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) detection. Multiple probes and quantum chemistry theory calculations were conducted to describe the versatile adsorption property directly and quantifiably. The conjugated structure of CTF and N-containing triazine generated π-π interactions and hydrogen bonds between the CTF and the targets, which led to high extraction efficiency and recoveries. The solid-phase extraction parameters, including amount of the adsorbent, type of eluent, amount of eluent and loading rate were investigated. Under the optimal experimental conditions, the recoveries of the analytes were between 85.5% and 103.2%, and the RSD (n = 5) was between 1.8% and 3.6%. The LODs and LOQs were 0.13-0.2 ng g-1 and 0.5-0.8 ng g-1, respectively. The sorbent can effectively reduce the interference of the matrix and meet the detection requirements of fipronil and its metabolites in eggs. These results imply that the CTF as adsorbents have great potential in the analysis of trace targets in samples with complex matrices.
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Affiliation(s)
- Xin Ba
- College of Chemistry, Zhengzhou University, Zhengzhou, P. R. China
| | - Guo Yun
- College of Chemistry, Zhengzhou University, Zhengzhou, P. R. China
| | - Yafei Hou
- College of Chemistry, Zhengzhou University, Zhengzhou, P. R. China
| | - Wenfen Zhang
- Center of Advanced Analysis and Gene Sequencing, Zhengzhou University, Zhengzhou, P.R. China
| | - Wuduo Zhao
- Center of Advanced Analysis and Gene Sequencing, Zhengzhou University, Zhengzhou, P.R. China
| | - Hang Yuan
- Center of Advanced Analysis and Gene Sequencing, Zhengzhou University, Zhengzhou, P.R. China
| | - Shusheng Zhang
- College of Chemistry, Zhengzhou University, Zhengzhou, P. R. China
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15
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Luo J, Jiang L, Ruan G, Li C, Du F. Fabrication and application of a MIL-68(In)-NH 2 incorporated high internal phase emulsion polymeric monolith as a solid phase extraction adsorbent in triazine herbicide residue analysis. RSC Adv 2021; 11:20439-20445. [PMID: 35479924 PMCID: PMC9033987 DOI: 10.1039/d1ra02619d] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 05/04/2021] [Indexed: 12/18/2022] Open
Abstract
In this work, a metal–organic framework MIL-68(In)–NH2 incorporated high internal phase emulsion polymeric monolith (MIL-68(In)–NH2/polyHIPE) was prepared and applied as a solid phase extraction adsorbent for the extraction and detection of trace triazine herbicides in environmental water samples by coupling with HPLC-UV detection. The fabricated material showed good adsorption for simazine, prometryn, and prometon in water samples because of π–π interactions and hydrogen bonding interactions. Under optimal conditions, the maximum adsorption capacity of simazine, prometon and prometryn was 800 μg g−1, 800 μg g−1 and 6.01 mg g−1, respectively. The linearities were 10–800 ng mL−1 for simazine, prometon and prometryn. The limits of detection were 31–97 ng L−1, and the recoveries were 85.6–118.2% at four spiked levels with relative standard deviations lower than 5.0%. The method has a high sensitivity for the determination of three triazine herbicides in environmental water samples. MIL-68(In)–NH2 incorporated high internal phase emulsion polymeric monoliths were fabricated and applied to extract and determine triazine herbicide residues in environmental water samples.![]()
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Affiliation(s)
- Jinhua Luo
- College of Biological and Environmental Engineering, Changsha University Changsha 410022 China +86-731-84250583 +86-731-84261506
| | - Liping Jiang
- College of Biological and Environmental Engineering, Changsha University Changsha 410022 China +86-731-84250583 +86-731-84261506.,College of Chemistry and Bioengineering, Guilin University of Technology Guangxi 541004 China
| | - Guihua Ruan
- College of Chemistry and Bioengineering, Guilin University of Technology Guangxi 541004 China
| | - Chengyong Li
- College of Biological and Environmental Engineering, Changsha University Changsha 410022 China +86-731-84250583 +86-731-84261506.,Hunan Provincial Key Laboratory of Nutrition and Quality Control of Aquatic Animals, Changsha University Changsha 410022 China
| | - Fuyou Du
- College of Biological and Environmental Engineering, Changsha University Changsha 410022 China +86-731-84250583 +86-731-84261506.,College of Chemistry and Bioengineering, Guilin University of Technology Guangxi 541004 China
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Khataei MM, Yamini Y, Shamsayei M. Applications of porous frameworks in solid-phase microextraction. J Sep Sci 2021; 44:1231-1263. [PMID: 33433916 DOI: 10.1002/jssc.202001172] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 12/27/2020] [Accepted: 12/30/2020] [Indexed: 01/26/2023]
Abstract
Porous frameworks are a term of attracting solid materials assembled by interconnection of molecules and ions. These trendy materials due to high chemical and thermal stability, well-defined pore size and structure, and high effective surface area gained attention to employ as extraction phase in sample pretreatment methods before analytical analysis. Solid-phase microextraction is an important subclass of sample preparation technique that up to now different configurations of this method have been introduced to get adaptable with different environments and analytical instruments. In this review, theoretical aspect and different modes of solid-phase microextraction method are investigated. Different classes of porous frameworks and their applications as extraction phase in the proposed microextraction method are evaluated. Types and features of supporting substrates and coating procedures of porous frameworks on them are reviewed. At the end, the prospective and the challenges ahead in this field are discussed.
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Affiliation(s)
- Mohammad Mahdi Khataei
- Department of Chemistry, Tarbiat Modares University, Tehran, Iran.,Department of Chemistry, Centre for Analysis and Synthesis, Lund University, Lund, Sweden
| | - Yadollah Yamini
- Department of Chemistry, Tarbiat Modares University, Tehran, Iran
| | - Maryam Shamsayei
- Department of Chemistry, Tarbiat Modares University, Tehran, Iran
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