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Xu F, Liu M, Zhang S, Chen T, Sun J, Wu W, Zhao Z, Zhang H, Gong Y, Jiang J, Wang H, Kong Q. Treatment of atrazine-containing wastewater by algae-bacteria consortia: Signal transmission and metabolic mechanism. CHEMOSPHERE 2023:139207. [PMID: 37364639 DOI: 10.1016/j.chemosphere.2023.139207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 06/02/2023] [Accepted: 06/11/2023] [Indexed: 06/28/2023]
Abstract
Atrazine is a toxic endocrine disruptor. Biological treatment methods are considered to be effective. In the present study, a modified version of the algae-bacteria consortia (ABC) was established and a control was simultaneously set up to investigate the synergistic relationship between bacteria and algae and the mechanism by which atrazine is metabolized by those microorganisms. The total nitrogen (TN) removal efficiency of the ABC reached 89.24% and the atrazine concentration was reduced to below the level recommended by the Environment Protection Agency (EPA) regulatory standards within 25 days. The protein signal released from the extracellular polymeric substances (EPS) secreted by the microorganisms triggered the resistance mechanism of the algae, and the conversion of humic acid to fulvic acid and electron transfer constituted the synergistic mechanism between the bacteria and algae. The mechanism by which atrazine is metabolized by the ABC mainly consists of hydrogen bonding, H-pi interactions, and cation exchange with atzA for hydrolysis, followed by a reaction with atzC for decomposition to non-toxic cyanuric acid. Proteobacteria was the dominant phylum for bacterial community evolution under atrazine stress, and the analysis revealed that the removal of atrazine within the ABC was mainly dependent on the proportion of Proteobacteria and the expression of degradation genes (p < 0.01). EPS played a major role in the removal of atrazine within the single bacteria group (p < 0.01).
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Affiliation(s)
- Fei Xu
- College of Geography and Environment, Shandong Normal University, 88 Wenhua Donglu, Jinan, Shandong, 250014, PR China
| | - Mengyu Liu
- College of Geography and Environment, Shandong Normal University, 88 Wenhua Donglu, Jinan, Shandong, 250014, PR China
| | - Siju Zhang
- College of Geography and Environment, Shandong Normal University, 88 Wenhua Donglu, Jinan, Shandong, 250014, PR China
| | - Tao Chen
- The Natural Resources and Planning Bureau of Weishan, Jining, 273100, PR China
| | - Jingyao Sun
- The Natural Resources and Planning Bureau of Weishan, Jining, 273100, PR China
| | - Wenjie Wu
- College of Geography and Environment, Shandong Normal University, 88 Wenhua Donglu, Jinan, Shandong, 250014, PR China
| | - Zheng Zhao
- College of Geography and Environment, Shandong Normal University, 88 Wenhua Donglu, Jinan, Shandong, 250014, PR China
| | - Huanxin Zhang
- College of Geography and Environment, Shandong Normal University, 88 Wenhua Donglu, Jinan, Shandong, 250014, PR China
| | - Yanyan Gong
- College of Geography and Environment, Shandong Normal University, 88 Wenhua Donglu, Jinan, Shandong, 250014, PR China
| | - Jinpeng Jiang
- College of Geography and Environment, Shandong Normal University, 88 Wenhua Donglu, Jinan, Shandong, 250014, PR China
| | - Hao Wang
- College of Geography and Environment, Shandong Normal University, 88 Wenhua Donglu, Jinan, Shandong, 250014, PR China
| | - Qiang Kong
- College of Geography and Environment, Shandong Normal University, 88 Wenhua Donglu, Jinan, Shandong, 250014, PR China; Dongying Institute, Shandong Normal University, Dongying, Shandong, 257092, PR China.
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Zhang W, Deng X, Ye S, Xia Y, Li L, Li W, He H. Selective removal and recovery of Ni(ii) using a sulfonic acid-based magnetic rattle-type ion-imprinted polymer: adsorption performance and mechanisms. RSC Adv 2022; 12:34571-34583. [PMID: 36545634 PMCID: PMC9713772 DOI: 10.1039/d2ra06918k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 11/24/2022] [Indexed: 12/02/2022] Open
Abstract
It is significant to selectively remove Ni(ii) ions from wastewater. A novel sulfonic acid-based magnetic rattle-type ion-imprinted polymer (Fe3O4@void@IIP-Ni(ii)) was designed by taking advantage of the strong interaction between Ni(ii) and sulfonic acid groups. Green polymerization was used to synthesize Fe3O4@void@IIP-Ni(ii), which was then investigated using SEM, TEM, FT-IR, VSM, TGA, EDS, and XPS. The adsorption results indicated that the prepared imprinted material had a short adsorption equilibrium time (10 min), good magnetic responsiveness (about 5 seconds) and high adsorption capacity (44.64 mg g-1) for Ni(ii) at the optimal pH of 6.0. The removal rate of Ni(ii) was up to 99.97%, and the adsorption process was spontaneous and endothermic, following the pseudo-secondary kinetic model and Langmuir model. The selectivity coefficients of the imprinted material were 4.67, 4.62, 8.94 and 9.69 for Ni(ii)/Co(ii), Ni(ii)/Cu(ii), Ni(ii)/Pb(ii) and Ni(ii)/Zn(ii), respectively. The regeneration and application of the imprinted material in actual water samples have been verified. Moreover, the mechanism of selective adsorption for Ni(ii) was investigated by FTIR, XPS and density functional theory (DFT) calculation. The results showed that the imprinted sorbent has a strong binding ability with Ni(ii), and the adsorption of Ni(ii) on Fe3O4@void@IIP-Ni(ii) was the result of the co-coordination of O atoms of the sulfonic acid groups and N atoms of -N-C[double bond, length as m-dash]O groups in AMPS with Ni(ii).
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Affiliation(s)
- Weiye Zhang
- Yunnan Key Laboratory of Food Safety Testing Technology, Kunming UniversityKunming 650214China
| | - Xiujun Deng
- School of Chemistry and Chemical Engineering, Yunnan Key Laboratory of Metal-Organic Molecular Materials and Device, Kunming UniversityKunming 650214China
| | - Siqing Ye
- Yunnan Key Laboratory of Food Safety Testing Technology, Kunming UniversityKunming 650214China
| | - Yan Xia
- Yunnan Key Laboratory of Food Safety Testing Technology, Kunming UniversityKunming 650214China
| | - Lingling Li
- Yunnan Key Laboratory of Food Safety Testing Technology, Kunming UniversityKunming 650214China
| | - Weili Li
- Yunnan Key Laboratory of Food Safety Testing Technology, Kunming UniversityKunming 650214China
| | - Hongxing He
- Yunnan Key Laboratory of Food Safety Testing Technology, Kunming UniversityKunming 650214China
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Preparation and Adsorption Properties of Magnetic Molecularly Imprinted Polymers for Selective Recognition of 17β-Estradiol. SEPARATIONS 2022. [DOI: 10.3390/separations9110381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
In this paper, magnetic molecularly imprinted polymers (MMIPs) were fabricated on the surface of Fe3O4 by surface molecular imprinting technology, which can selectively adsorb 17β-estradiol (E2). The optimized experiments demonstrated that MMIPs possessed the best adsorption capacity when methanol was used as the solvent and MAA was used as the crosslinking agent, with a molar ratio of E2: MMA: EGDMA as 1:4:50. SEM, FTIR, and XRD were employed to investigate the morphologies of MMIPs and the results demonstrated that the MMIPs that can selectively adsorb E2 were successfully prepared on Fe3O4 particles. The adsorption experiments showed that 92.1% of E2 was adsorbed by the MMIPs, which is higher than the magnetic non-molecularly imprinted polymers (MNIPs). The Freundlich isotherm model was more suitable to describe the adsorption process of E2 by MMIPs. Meanwhile, MMIPs had a better recognition ability for E2 and its structural analogs such as estrone and estriol. The MMIPs still had good adsorption performance after methanol regeneration five times. The prepared MMIPs had the advantages of efficient adsorption ability and high reusability, so they can be applied for selective recognition and removal of E2.
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Experimental and theoretical studies of a magnetic mesoporous molecularly imprinted polymer for selective adsorption of estrogens from aqueous solutions. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Xiong Y, Cao Y, Luo L, Li P, Li M, Wang R, Xiao L, Liu X. Synthesis, characterization and absorption evaluation of bifunctional monomer magnetic molecularly imprinted polymers nanoparticles for the extraction of 6-benzylaminopurine from vegetables. Food Chem 2022; 386:132792. [PMID: 35367797 DOI: 10.1016/j.foodchem.2022.132792] [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: 11/01/2021] [Revised: 03/22/2022] [Accepted: 03/22/2022] [Indexed: 11/04/2022]
Abstract
An adsorbent-magnetic molecularly imprinted polymers nanoparticles (MMIPs NPs) were synthesized for the extraction of 6-benzylaminopurine (6-BA) using Fe3O4 as magnetic core. The MIPs were prepared with methacrylic acid and sodium p-styrene sulfonate as bifunctional monomers. The adsorbents were characterized by transmission electron microscopy, Fourier transform infrared spectroscopy, X-ray diffractometer, thermogravimetric analysis and vibrating sample magnetometer. The adsorption properties were evaluated by static, kinetic and selective adsorption experiments. The MMIPs NPs exhibit a high adsorption capacity (37.63 mg g-1) and favorable imprinting factor (2.88) toward 6-BA. The chromatogram of 6-BA extraction using the MMIPs NPs as the adsorbent demonstrates that the matrix interference has been minimized. More importantly, MMIPs NPs can be applied to extracting 6-BA from mung bean sprout and cucumber with satisfactory recoveries (91.14-104.52%), and can be reused for at least five times. This work provides a new strategy to efficiently extract 6-BA from vegetables.
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Affiliation(s)
- Yingzi Xiong
- Hunan Provincial Key Laboratory of Food Science and Biotechnology, College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, PR China
| | - Yanan Cao
- Hunan Provincial Key Laboratory of Food Science and Biotechnology, College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, PR China
| | - Lei Luo
- Hunan Provincial Key Laboratory of Food Science and Biotechnology, College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, PR China
| | - Pao Li
- Hunan Provincial Key Laboratory of Food Science and Biotechnology, College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, PR China
| | - Maiquan Li
- Hunan Provincial Key Laboratory of Food Science and Biotechnology, College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, PR China
| | - Ruozhong Wang
- Hunan Provincial Key Laboratory of Phytohormones and Growth Development, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, PR China
| | - Langtao Xiao
- Hunan Provincial Key Laboratory of Phytohormones and Growth Development, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, PR China.
| | - Xia Liu
- Hunan Provincial Key Laboratory of Food Science and Biotechnology, College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, PR China.
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Karazan ZM, Roushani M. A new method for electrochemical determination of Hippuric acid based on molecularly imprinted copolymer. Talanta 2022; 246:123491. [DOI: 10.1016/j.talanta.2022.123491] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 02/13/2022] [Accepted: 04/15/2022] [Indexed: 12/25/2022]
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Surface Molecularly Imprinted Polymers Based on NH2-MIL-53 for Selective Extraction Ochratoxin A in Real Sample. Macromol Res 2022. [DOI: 10.1007/s13233-022-0076-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Facile synthesis of core–shell structured magnetic Fe 3O 4@SiO 2@Au molecularly imprinted polymers for high effective extraction and determination of 4-methylmethcathinone in human urine samples. E-POLYMERS 2022. [DOI: 10.1515/epoly-2022-0034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
In this study, a novel material of core–shell structured magnetic molecularly imprinted polymers (Fe3O4@SiO2@Au (FSA)-MIPs) was successfully prepared for the rapid and selective determination of 4-methylmethcathinone (mephedrone, 4-MMC). The adsorption capacity of FSA-MIPs is 34.7 mg·g−1 at 308 K, which is significantly higher than magnetic non-imprinted polymers profiting from the imprinting effect. The FSA-MIPs have a short equilibrium (20 min) and could be reused more than six times. Moreover, the selectivity coefficients of FSA-MIPs for 4-MMC, 3,4-dimethylmethcathinone, butylone, 4-ethylmethcathinone, acetylfentanyl, and methylene blue are 4.01, 5.65, 7.62, 12.30, and 20.87 respectively, further indicating the markedly enhanced binding selectivity of FSA-MIPs. As an adsorbent, the FSA-MIPs were successfully applied for effective extraction of 4-MMC in three human urine samples with the recovery rates ranging from 85.5–92.6%. The results confirmed that the FSA-MIPs have good prospects in the extraction and separation of synthetic cathinones, which is suitable for further application in the criminal sciences field.
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Jyothi M, Nagarajan V, Chandiramouli R. Chemisorption of atrazine and diuron molecules on γ-arsenene nanosheet - a first-principles study. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.139484] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Rashidi L, Faraji Sarabmirza R, Joolaei Ahranjani P, Hadi Jume B, Gholami Z, Rashid Nodeh H. Dispersive clean-up process based on a magnetic graphene oxide nanocomposite for determination of 2-glycerol monopalmitate in olive oil prior to GC-FID and GC-MS analysis. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:995-1001. [PMID: 34302362 DOI: 10.1002/jsfa.11433] [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: 02/05/2021] [Revised: 04/13/2021] [Accepted: 07/24/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Recently, methods have been developed for the better quality control, fraud detection and analytical investigation of olive oil. Magnetic graphene oxide (GO) material is known for its reusability, high adsorption capability and stability in food sample preparation. Monopalmitine or 2-glycerol monopalmitate (2-GMP) is one of the main parameters in the quality assay and classification of olive oil, which can be classified as extra virgin ≤ 0.9% and olive pomace ≤ 1.2. Hence, newly synthesized magnetic GO (MGO) and commercial silica-gel were used as a dispersive solid-phase clean-up (d-SPE) sorbent to determine 2-GMP value in olive oil samples prior to gas chromatography (GC) analysis. The d-SPE method is validated with olive oil certified reference material (CRM) with respect to silica-gel and a MGO nanocomposite. RESULTS The developed d-SPE method was applied for various virgin, refined and pomace olive oil samples to determine the value of 2-GMP%. The presence of 2-GMP in the samples was confirmed by GC-mass spectrometry analysis based on silylation derivatives of the analyte. Finally, the d-SPE-MGO method was determined 2-GMP% as 1.9% for pomace olive oil, 0.6% for refined olive oil, 0.4% for virgin olive oil and 3.1% for CRM. The MGO provided satisfactory clean-up recovery (124%) in the acceptable data range for CRM2018, and silica-gel also provided satisfactory recovery (83%) for CRM2018. The proposed method performed with higher sensitivity and efficiency for screening 2-GMP% in olive oil. CONCLUSION The MGO based d-SPE method was applied for clean-up purposes to determine 2-GMP%. It proved superior via its advantageous features of super quickness, easy isolation with an external magnet and the highly efficient exclusion of all the coexisting interfering peaks conventionally generated with a standard silica-gel material. These methods based on MGO and silica-gel are reflected in the dispersive mode of extraction and can be used as alternatives to conventional methods. Considering the benefits of the consumption of significantly fewer sorbents and less time required regarding the dispersive methods, the methods can be utilized as alternatives in contrast to conventional techniques. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Ladan Rashidi
- Food Technology and Agricultural Products Research Center, Standard Research Institute (SRI), Karaj, Iran
| | | | - Parham Joolaei Ahranjani
- Department of Microbial and Molecular Systems, Faculty of Bioscience Engineering, KU Leuven, Kasteelpark Arenberg 20, 3001 Leuven, Leuven, Belgium
| | - Binta Hadi Jume
- Chemistry Department, College of Science and General Studies, University of Hafr Al-Batin, Hafar Al Batin, Saudi Arabia
| | - Zahra Gholami
- Department of Chemical Engineering, Mid Sweden University, SE-85170 Sundsvall, Sundsvall, Sweden
| | - Hamid Rashid Nodeh
- Food Technology and Agricultural Products Research Center, Standard Research Institute (SRI), Karaj, Iran
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Chen W, Feng J, Liu S, Zhang J, Cai Y, Lv Z, Fang M, Tan X. A green and economical MgO/biochar composite for the removal of U(VI) from aqueous solutions. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.02.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Cui Y, Su A, Feng J, Dong W, Li J, Wang H, Ni X, Jiang Y. Development of silica molecularly imprinted polymer on carbon dots as a fluorescence probe for selective and sensitive determination of cetirizine in saliva and urine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 264:120293. [PMID: 34455374 DOI: 10.1016/j.saa.2021.120293] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 08/09/2021] [Accepted: 08/14/2021] [Indexed: 06/13/2023]
Abstract
A fluorescence probe based on carbon dots (CDs) coated with silica molecularly imprinted polymer (MIPs) was synthesized for selective and sensitive determination of cetirizine (CTZ). Green source carbon dots were firstly derived from orange peels through a microwave method, and had the merits of eco-friendly and low toxicity. Then a thin silica film was formed on the surface of CDs by reverse microemulsion technique, and molecularly imprinted polymer coated on silica-carbon dots. In this scene, CTZ, 3-aminopropyltriethoxysilane (APTES) and tetraethoxysilane (TEOS) were employed as a template, a functional monomer and cross linker, respectively. The obtained CDs-MIPs can selectively bind CTZ through the specific interaction between recognition sites and template, and obey photoinduced electron transfer fluorescence quenching mechanism. Fluorescence dropped linearly in the range of 0.5-500 ng mL-1, under the optimal conditions, with a detection limit of 0.41 ng mL-1. Furthermore, the proposed method was successfully intended for the determination of trace CTZ in human saliva and urine samples without the interference of other molecules and ions. And recoveries ranged from 95.8% to 99.8% with relative standard deviation less than 3.0%.
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Affiliation(s)
- Yixuan Cui
- Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei Province 050017, China
| | - Aoxuan Su
- Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei Province 050017, China
| | - Jingying Feng
- Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei Province 050017, China
| | - Weichong Dong
- Department of Pharmacy, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei Province 050000, China
| | - Junmei Li
- Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei Province 050017, China
| | - Huan Wang
- Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei Province 050017, China
| | - Xiaoyu Ni
- Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei Province 050017, China
| | - Ye Jiang
- Department of Pharmaceutical Analysis, School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei Province 050017, China.
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Roushani M, Zalpour N. Selective detection of Asulam with in-situ dopamine electropolymerization based electrochemical MIP sensor. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.105069] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Spanos A, Athanasiou K, Ioannou A, Fotopoulos V, Krasia-Christoforou T. Functionalized Magnetic Nanomaterials in Agricultural Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:3106. [PMID: 34835870 PMCID: PMC8623625 DOI: 10.3390/nano11113106] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/03/2021] [Accepted: 11/16/2021] [Indexed: 12/23/2022]
Abstract
The development of functional nanomaterials exhibiting cost-effectiveness, biocompatibility and biodegradability in the form of nanoadditives, nanofertilizers, nanosensors, nanopesticides and herbicides, etc., has attracted considerable attention in the field of agriculture. Such nanomaterials have demonstrated the ability to increase crop production, enable the efficient and targeted delivery of agrochemicals and nutrients, enhance plant resistance to various stress factors and act as nanosensors for the detection of various pollutants, plant diseases and insufficient plant nutrition. Among others, functional magnetic nanomaterials based on iron, iron oxide, cobalt, cobalt and nickel ferrite nanoparticles, etc., are currently being investigated in agricultural applications due to their unique and tunable magnetic properties, the existing versatility with regard to their (bio)functionalization, and in some cases, their inherent ability to increase crop yield. This review article provides an up-to-date appraisal of functionalized magnetic nanomaterials being explored in the agricultural sector.
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Affiliation(s)
- Alexandros Spanos
- Department of Agricultural Sciences, Biotechnology & Food Science, Cyprus University of Technology, Limassol 3036, Cyprus; (A.S.); (A.I.); (V.F.)
| | - Kyriakos Athanasiou
- Department of Mechanical and Manufacturing Engineering, University of Cyprus, Nicosia 2109, Cyprus;
| | - Andreas Ioannou
- Department of Agricultural Sciences, Biotechnology & Food Science, Cyprus University of Technology, Limassol 3036, Cyprus; (A.S.); (A.I.); (V.F.)
| | - Vasileios Fotopoulos
- Department of Agricultural Sciences, Biotechnology & Food Science, Cyprus University of Technology, Limassol 3036, Cyprus; (A.S.); (A.I.); (V.F.)
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Chen H, Wu F, Xu Y, Liu Y, Song L, Chen X, He Q, Liu W, Han Q, Zhang Z, Zou Y, Liu W. Synthesis, characterization, and evaluation of selective molecularly imprinted polymers for the fast determination of synthetic cathinones. RSC Adv 2021; 11:29752-29761. [PMID: 35492065 PMCID: PMC9044941 DOI: 10.1039/d1ra01330k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 08/17/2021] [Indexed: 01/24/2023] Open
Abstract
As a kind of new psychoactive substance (NPS), synthetic cathinones have drawn great worldwide attention. In this study, molecularly imprinted polymers (MIPs), as adsorbents for the extraction and determination of 4-methyldimethcathinone (4-MDMC), were first synthesized by coprecipitation polymerization. The physicochemical analyses of MIPs were successfully performed by XRD, FTIR, FESEM and TGA techniques. Furthermore, rebinding properties of temperature and pH dependence, and selectivity and reusability tests for MIPs and non-imprinted polymers (NIPs) were performed using an ultraviolet-visible spectrometer (UV-vis). The obtained results indicate that the imprinting efficiency has strong dependence on temperature and pH, and the optimal adsorption for targets is achieved under the condition of 318 K and pH = 6.0. This means that the combination between the polymers and 4-MDMC is a strong spontaneous and endothermic process. Compared with NIPs, MIPs exhibit prominent adsorption capacity (Qe = 9.77 mg g−1, 318 K). The selectivity coefficients (k) of MIPs for 4-MDMC, methylenedioxypentedrone (βk-MBDP), 4-ethylmethcathinone (4-EMC), methoxetamine (MXE) and tetrahydrofuranylfentanyl (THF-F) were found to be 1.70, 3.49, 7.14 and 5.82, respectively. Moreover, it was found that the adsorption equilibrium was achieved within 30 min. The aim of this work is the simple synthesis of MIPs and the optimal performance of the molecular recognition of 4-MDMC. Moreover, the synthesized MIPs can be easily regenerated and repeatedly used with negligible loss of efficiency (only 9.94% loss after six times adsorption–desorption tests). Satisfying recoveries in the range of 69.3–78.9% indicate that MIPs have good applicability for analyte removal from urine samples. Ultimately, this material shows great promise for the rapid extraction and separation of synthetic cathinones, which are dissolved in the liquid for the field of criminal sciences. Molecularly imprinted polymers, as an adsorbent for extraction and selective recognition of 4-methyldimethcathinone, were firstly synthesized through coprecipitation polymerization.![]()
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Affiliation(s)
- Hong Chen
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Fangsheng Wu
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Yibing Xu
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Yuan Liu
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Lun Song
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Xiujuan Chen
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Qun He
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Wei Liu
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Qiaoying Han
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Zihua Zhang
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Yun Zou
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
| | - Wenbin Liu
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology 803 Zhongshan North 1st Road Shanghai 200083 P. R. China +86-21-22028361 +86-21-22028361.,Shanghai Yuansi Standard Science and Technology Co., Ltd. 196 Ouyang Road Shanghai 200080 P. R. China
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17
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Ren L, Huang Y, Zhao B, Xu L, Long T. Magnetic solid phase extraction based on dodecyl functionalization of magnetic ferrite microspheres for determination of phthalate esters in environmental water. J LIQ CHROMATOGR R T 2021. [DOI: 10.1080/10826076.2021.1958343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Limin Ren
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, Huanggang Normal University, Huangzhou, China
| | - Yingying Huang
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, Huanggang Normal University, Huangzhou, China
| | - Bingshan Zhao
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, Huanggang Normal University, Huangzhou, China
| | - Lanying Xu
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, Huanggang Normal University, Huangzhou, China
| | - Tao Long
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, Huanggang Normal University, Huangzhou, China
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18
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Chen Y, Ma X, Peng J. Highly selective removal and recovery of Ni(II) from aqueous solution using magnetic ion-imprinted chitosan nanoparticles. Carbohydr Polym 2021; 271:118435. [PMID: 34364575 DOI: 10.1016/j.carbpol.2021.118435] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 06/25/2021] [Accepted: 07/09/2021] [Indexed: 12/07/2022]
Abstract
Nickel (Ni) is one of the most common heavy metals. In this study, nano-sized magnetic ion-imprinted polymers (MIIPs) were synthesized using chitosan as the functional monomer, and used for selective adsorption and recovery of Ni(II) from solutions. The results showed MIIPs possessed high sorption selectivity for Ni(II), and the change in pH (5.0-9.0) exerted insignificant influence on the ion adsorption, allowing almost complete elution and recovery of adsorbed Ni(II) ions by using 0.5% EDTA-Na solution. Moreover, the sorption capacity of the recycled MIIPs decreased by only about 10% after 15 adsorption-desorption cycles. The time required for establishing the adsorption equilibrium was less than 1 h. The sorption process was predominant and endothermic, and could be well described by both Langmuir isotherm model and pseudo-second-order kinetic model. Therefore, the synthesized MIIPs was a suitable adsorbent for highly selective, fast and efficient removal and recovery of low-concentration Ni(II) ions from wastewaters.
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Affiliation(s)
- Yuan Chen
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China; Institute of Environmental Research at Greater Bay, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510405, China
| | - Xiaoguo Ma
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China.
| | - Junbiao Peng
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
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19
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Chabalala MB, Al-Abri MZ, Mamba BB, Nxumalo EN. Mechanistic aspects for the enhanced adsorption of bromophenol blue and atrazine over cyclodextrin modified polyacrylonitrile nanofiber membranes. Chem Eng Res Des 2021. [DOI: 10.1016/j.cherd.2021.02.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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20
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Akbulut Söylemez M. Synthesis and characterization of tetracycline-imprinted membranes: A detailed positron annihilation lifetime spectroscopy investigation. J Mol Recognit 2021; 34:e2895. [PMID: 33719102 DOI: 10.1002/jmr.2895] [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: 01/26/2021] [Revised: 02/23/2021] [Accepted: 03/01/2021] [Indexed: 11/10/2022]
Abstract
Molecularly imprinted thin membranes for selective removal of tetracycline from real water samples were prepared using the radiation-induced polymerization method. The chemical and physical characterization of the membranes was conducted by FTIR, XPS, AFM and SEM analyses. The effect of the template on the size and the size distribution of the pores in the membrane structure was investigated by positron annihilation lifetime spectroscopy (PALS) experiments. The presence of the template molecule causes the formation of larger cavities, which have a strong correlation to the molecular size of the template molecule. The density of the free volume holes in the imprinted network shows a significant increase due to the presence of the template molecule. The binding performances of the membranes were tested against various factors such as pH, time and initial concentration of template molecules. The specific selectivity of the membranes was investigated by cross-reactivity experiments. The binding capacity of the imprinted membranes was obtained at 14.5 μmol g-1 , with the highest imprinting factor (2.84) for tetracycline. The imprinting factor was obtained at 1.44, 1.25 and 1.57 for oxytetracycline hydrochloride, doxycycline hyclate and chlortetracycline, respectively. The binding capability of the imprinted membranes in real water samples was promising for the application of the membranes as a filter material for removal of tetracycline with high binding capacity. Tetracycline binding percentage of the membranes was determined at 92.4, 81.1., 75.0 and 68.7 for ultra-pure water, tap water and natural water samples collected from different sources, respectively.
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21
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Öngün E, Akgönüllü S, Yavuz H, Denizli A. Synthesis of molecularly imprinted magnetic nanoparticles for selective cytidine adsorption. SEPARATION SCIENCE PLUS 2021. [DOI: 10.1002/sscp.202000089] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Emine Öngün
- Division of Nanotechnology and Nanomedicine Hacettepe University Ankara Turkey
| | - Semra Akgönüllü
- Division of Biochemistry Department of Chemistry Hacettepe University Ankara Turkey
| | - Handan Yavuz
- Division of Biochemistry Department of Chemistry Hacettepe University Ankara Turkey
| | - Adil Denizli
- Division of Biochemistry Department of Chemistry Hacettepe University Ankara Turkey
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22
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Deng D, He Y, Li M, Huang L, Zhang J. Preparation of multi-walled carbon nanotubes based magnetic multi-template molecularly imprinted polymer for the adsorption of phthalate esters in water samples. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:5966-5977. [PMID: 32981015 DOI: 10.1007/s11356-020-10970-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 09/21/2020] [Indexed: 05/17/2023]
Abstract
Taking the advantages of surface imprinting, multi-template imprinting and magnetic separation, a novel magnetic multi-template molecularly imprinted polymer (mag-MMIP@MWCNTs) was prepared by using MWCNTs as support material, Fe3O4 as magnetic core, and dimethyl phthalate (DMP), diethyl phthalate (DEP), and dibutyl phthalate (DBP) as template molecules. This composite was characterized by scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), vibrating sample magnetometer (VSM), and the Brunauer-Emmett-Teller (BET) analysis, and was used for the simultaneous adsorption of DMP, DEP, and DBP in aqueous solution. The effects of solution pH, contact time, PAEs initial concentration, temperature, adsorption selectivity, and reusability were investigated and discussed in detail. The results demonstrated that mag-MMIP@MWCNTs exhibited fast kinetics, good magnetic separation, and excellent selectivity for the adsorption of three phthalate esters (PAEs). The adsorption kinetics followed pseudo second-order kinetic model and the adsorption thermodynamics followed Langmuir isothermal model very well, and the maximum adsorption capacities (Qmax) of DMP, DEP, and DBP were obtained as 0.95, 1.38, and 7.09 mg g-1, respectively. The Scatchard analysis revealed that the template-polymer system had a two-site binding behavior. The adsorption thermodynamic studies indicated that the adsorption processes were exothermic and spontaneous, and dominated by physical adsorption relying on hydrogen bond, hydrophobic interaction, and van der Waals force. Mag-MMIP@MWCNTs also showed good reproducibility and reusability for simultaneous adsorption of the three PAEs. The potential application of mag-MMIP@MWCNTs was proved by the removal of DMP, DEP, and DBP spiked in environmental water samples.
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Affiliation(s)
- Dongli Deng
- College of Resources and Environment, Southwest University, Chongqing Key Laboratory of Agricultural Resources and Environment, Chongqing, 400715, People's Republic of China
- Chemical Pollution Control and Applied Technology Extension Center of Chongqing Higher Vocational Colleges, Chongqing Industry, Polytechnic College, Chongqing, 401120, People's Republic of China
| | - Yingnan He
- College of Resources and Environment, Southwest University, Chongqing Key Laboratory of Agricultural Resources and Environment, Chongqing, 400715, People's Republic of China
| | - Mingyuan Li
- College of Resources and Environment, Southwest University, Chongqing Key Laboratory of Agricultural Resources and Environment, Chongqing, 400715, People's Republic of China
| | - Ludan Huang
- College of Resources and Environment, Southwest University, Chongqing Key Laboratory of Agricultural Resources and Environment, Chongqing, 400715, People's Republic of China
| | - Jinzhong Zhang
- College of Resources and Environment, Southwest University, Chongqing Key Laboratory of Agricultural Resources and Environment, Chongqing, 400715, People's Republic of China.
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23
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Zhou H, Peng K, Su Y, Song X, Qiu J, Xiong R, He L. Preparation of surface molecularly imprinted polymer and its application for the selective extraction of teicoplanin from water. RSC Adv 2021; 11:13615-13623. [PMID: 35423866 PMCID: PMC8697609 DOI: 10.1039/d1ra00913c] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 03/18/2021] [Indexed: 12/31/2022] Open
Abstract
In this study, a new surface molecularly imprinted polymer (SMIP) of teicoplanin (TEC) was prepared in an aqueous solution using amino-modified silica gel as a carrier. The molar ratio of the template molecule, functional monomer and cross-linker in the optimized synthesis system was 1 : 15 : 40. The structure and morphology of SMIP were characterized by Fourier-transform infrared spectra and scanning electron microscopy, respectively. It was shown that the silica gel modified with different active groups; the type and structure of functional monomers have a great influence on the specificity of SMIP. The SMIPs synthesized from a series of methacrylic acid and its hydroxylalkyl esters as functional monomers have good specificity for TEC. The results of static adsorption experiments showed that the adsorption capacity of SMIP was 6.5 times that of non-molecularly imprinted polymer, which were 152.6 mg g−1 and 23.6 mg g−1, respectively, indicating that SMIP had a larger affinity for TEC. Finally, the SMIP was successfully used as a dispersive solid-phase extraction adsorption material to selectively extract and enrich TEC from the water sample. The limit of detection of the proposed liquid chromatographic method for TEC was 5 μg L−1. A novel surface molecularly imprinted polymer for specific absorbing teicoplanin in environmental water.![]()
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Affiliation(s)
- Hao Zhou
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
| | - Kanlin Peng
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
| | - Yijuan Su
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
| | - Xuqin Song
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
| | - Jingli Qiu
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
| | - Renping Xiong
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
| | - Limin He
- National Reference Laboratory of Veterinary Drug Residues (SCAU)
- College of Veterinary Medicine
- South China Agricultural University
- Guangzhou
- China
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24
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Akbulut Söylemez M, Kemaloğulları BÖ. Surface modification of magnetic nanoparticles via admicellar polymerization for selective removal of tetracycline from real water samples. NEW J CHEM 2021. [DOI: 10.1039/d1nj00494h] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Production of imprinted thin membranes via admicellar polymerization
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25
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Yuan X, Liu H, Sun B. N-doped carbon dots derived from covalent organic frameworks embedded in molecularly imprinted polymers for optosensing of flonicamid. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105585] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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26
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Buffon E, Huguenin J, da Silva L, Carneiro P, Stradiotto N. Spectroscopic ellipsometry studies of an electrochemically synthesized molecularly imprinted polymer for the detection of an aviation biokerosene contaminant. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2020.104698] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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27
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Erarpat S, Maltepe E, Öztürk Er E, Bakırdere S. Accurate and Sensitive Analytical Method for the Determination of Cyclanilide in Cotton and Cosmetic Pads at Trace Levels Using the Combination of Vortex Assisted Iron(II,III)/Reduced Graphene Oxide Nanocomposite Based Dispersive Solid Phase Extraction and High Performance Liquid Chromatography (HPLC). ANAL LETT 2020. [DOI: 10.1080/00032719.2020.1739062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Sezin Erarpat
- Department of Chemistry, Yıldız Technical University, İstanbul, Turkey
| | - Esra Maltepe
- Department of Chemistry, Yıldız Technical University, İstanbul, Turkey
| | - Elif Öztürk Er
- Faculty of Chemical and Metallurgical Engineering, Chemical Engineering Department, Yıldız Technical University, İstanbul, Turkey
| | - Sezgin Bakırdere
- Department of Chemistry, Yıldız Technical University, İstanbul, Turkey
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28
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Li Y, Tan J, Huang L, Chen Y, Lin Q. A Portable Visual Sensor by Molecularly Imprinted Hydrogels for HRP Recognition. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411015666190723151351] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Molecular imprinting is a technology used to produce artificial receptors
that simulate the molecular recognition in the nature and prepare the polymer network structure in the
presence of template molecule. Molecularly imprinted visual sensor combines the advantages of specific
recognition via molecular imprinting and fast response speed via visualization. The aims of this
paper are to prepare a portable visual sensor for Horseradish Peroxidase (HRP) recognition based on
molecularly imprinted hydrogel.
Methods:
At first, HRP-imprinted polyacrylamide hydrogels with 1 mm thickness were obtained by
one-step synthesis via radical induced in-situ polymerization of acrylamide using acrylamide (AAm)
as the functional monomer, N,N'-Methylenebisacrylamide (MBA) as the crosslink agent and HRP as
the template molecule.
Results:
Compared with nonimprinted hydrogels, the HRP-imprinted hydrogel sensor showed significant
color changes in response to the target HRP. This visual sensor was constructed based on 3, 3',
5, 5'- tetramethyl benzidine (TMB) - H2O2 color reaction system by HRP catalyzing to produce color
change through digital photography and image analysis (RGB system). The HRP-imprinted hydrogel
showed good response in the range of 0.001-0.5 mg/mL and had a significant specific recognition
compared to other proteins via selective test.
Conclusion:
The proposed portable visual sensor could be used for qualitative and semi-quantitative
analysis of HRP with high selectivity and reasonable regeneration. The sensor has the advantages of
simple operation, low cost, no special equipment, and can be applied to serum sample with less sample
consumption and no need of sample preparation. It has wide application prospects in microfluidic
devices, biomimetic sensors, flexible biosensor and membrane separation technology.
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Affiliation(s)
- Yanxia Li
- Department of Chemical Engineering, Ocean College, Minjiang University, Fuzhou, 350108, China
| | - Juanjuan Tan
- Department of Chemical Engineering, Ocean College, Minjiang University, Fuzhou, 350108, China
| | - Lu Huang
- Department of Chemical Engineering, Ocean College, Minjiang University, Fuzhou, 350108, China
| | - Yiting Chen
- Department of Chemical Engineering, Ocean College, Minjiang University, Fuzhou, 350108, China
| | - Qi Lin
- Department of Chemical Engineering, Ocean College, Minjiang University, Fuzhou, 350108, China
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29
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Li T, Li X, Liu H, Deng Z, Zhang Y, Zhang Z, He Y, Yang Y, Zhong S. Preparation and characterization of molecularly imprinted polymers based on β-cyclodextrin-stabilized Pickering emulsion polymerization for selective recognition of erythromycin from river water and milk. J Sep Sci 2020; 43:3683-3690. [PMID: 32700400 DOI: 10.1002/jssc.201901255] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 07/19/2020] [Accepted: 07/19/2020] [Indexed: 12/18/2022]
Abstract
Molecularly imprinted polymers were prepared via β-cyclodextrin-stabilized oil-in-water Pickering emulsion polymerization for selective recognition and adsorption of erythromycin. The synthesized molecularly imprinted polymers were spherical in shape, with diameters ranging from 20 to 40 µm. The molecularly imprinted polymers showed high adsorption capacity (87.08 mg/g) and adsorption isotherm data fitted well with Langmuir model. Adsorption kinetics study demonstrated that the molecularly imprinted polymers acted in a fast adsorption kinetic pattern and the adsorption features of molecularly imprinted polymers followed a pseudo-first-order model. Adsorption selectivity analysis revealed that molecularly imprinted polymers had a much better specificity for erythromycin than that for spiramycin or amoxicillin, and the relative selectivity coefficient values on the bases of spiramycin and amoxicillin were 3.97 and 3.86, respectively. The Molecularly imprinted polymers also showed a satisfactory reusability after four times of regeneration. In addition, molecularly imprinted polymers exhibited good adsorption capacities for erythromycin under complicated environment, that is, river water and milk. These results proved that the as-prepared molecularly imprinted polymers is a potent absorbent for selective recognition of erythromycin, and therefore it may be a promising candidate for practical applications, such as wastewater treatment and detection of erythromycin residues in food.
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Affiliation(s)
- Tianhao Li
- School of Chemistry and Chemical Engineering, Central South University, Changsha, P. R. China
| | - Xiufang Li
- School of Chemistry and Chemical Engineering, Central South University, Changsha, P. R. China
| | - Hui Liu
- School of Chemistry and Chemical Engineering, Central South University, Changsha, P. R. China
| | - Zhiwei Deng
- School of Chemistry and Chemical Engineering, Central South University, Changsha, P. R. China
| | - Yunshan Zhang
- School of Chemistry and Chemical Engineering, Central South University, Changsha, P. R. China
| | - Zhuomin Zhang
- School of Chemistry and Chemical Engineering, Central South University, Changsha, P. R. China
| | - Yao He
- School of Chemistry and Chemical Engineering, Central South University, Changsha, P. R. China
| | - Yanjing Yang
- School of Chemistry and Chemical Engineering, Central South University, Changsha, P. R. China
| | - Shian Zhong
- School of Chemistry and Chemical Engineering, Central South University, Changsha, P. R. China
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30
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Fe3O4/reduced graphene oxide nanocomposites based dispersive solid phase microextraction for trace determination of profenofos in white rice flour samples. J Food Compost Anal 2020. [DOI: 10.1016/j.jfca.2020.103516] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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31
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Fan Y, Zeng G, Ma X. Effects of prepolymerization on surface molecularly imprinted polymer for rapid separation and analysis of sulfonamides in water. J Colloid Interface Sci 2020; 571:21-29. [PMID: 32182497 DOI: 10.1016/j.jcis.2020.03.027] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 02/29/2020] [Accepted: 03/08/2020] [Indexed: 12/28/2022]
Abstract
This work systematically investigated the effects of prepolymerization on the property of multi-templates surface molecularly imprinted polymer (MIP), which was utilized to quickly and simultaneously separate and detect six sulfonamides (sulfadiazine, sulfathiazole, sulfamerazine, sulfamethazine, sulfamethoxazole and sulfadoxine) in real waters. The MIPs were prepared using the six sulfonamides as the templates, mesoporous silica supported onto the surface of magnetic graphene oxide as the carrier and 4-vinylbenzoic as the functional monomer, with and without prepolymerization of templates with functional monomer. The preparation and adsorption conditions were optimized. It was found that the adsorption capacities of the selected six sulfonamides on the MIP (pre) prepared with prepolymerization were apparently higher than those on the MIP (no pre) synthesized without prepolymerization. Subsequently, the MIPs were utilized as adsorbents for SPE of these sulfonamides, and coupled with high performance liquid chromatography (HPLC) for the determination of sulfonamides. The developed analytical method showed outstanding applicability for the detection of trace sulfonamides in real water samples. The spiked recoveries and relative standard deviations (RSDs) of the six sulfonamides using MIP (no pre) and MIP (pre) were 73.34-99.43% and 87.37-102.34%, 2.28-7.77% and 3.18-6.49%, respectively.
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Affiliation(s)
- Yinming Fan
- School of Environmental Science and Engineering Guangdong University of Technology, Guangzhou 510006, China.
| | - Guolong Zeng
- School of Environmental Science and Engineering Guangdong University of Technology, Guangzhou 510006, China
| | - Xiaoguo Ma
- School of Environmental Science and Engineering Guangdong University of Technology, Guangzhou 510006, China.
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32
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Fan Y, Zeng G, Ma X. Multi-templates surface molecularly imprinted polymer for rapid separation and analysis of quinolones in water. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:7177-7187. [PMID: 31879893 DOI: 10.1007/s11356-019-07437-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 12/17/2019] [Indexed: 06/10/2023]
Abstract
Rapid separation and analysis of trace quinolones (fleroxacin (FLRX), enoxacin (EN), norfloxacin (NOR), ciprofloxacin (CIP), enrofloxacin (ENRO), and lomefloxacin hydrochloride (LOME)) in real water samples were achieved by using a multi-templates molecularly imprinted polymer (MIP) based solid phase extraction (SPE) coupled with dispersive liquid-liquid microextraction (DLLME) followed by high performance liquid chromatography (HPLC). The MIP was prepared via surface molecular imprinting, using the selected quinolones as the templates and mesoporous silica modified magnetic graphene oxide as the carrier. The preparation and adsorption conditions were optimized. The MIP presented high adsorption capacity and wonderful selective recognition for the quinolones, with the adsorption capacities of 20.15, 20.88, 18.01, 20.01, 16.98, and 17.09 mg/g for FLRX, EN, NOR, CIP, ENRO, and LOME, respectively. Meanwhile, a SPE-DLLME-HPLC method for trace detection of FLRX, EN, NOR, CIP, ENRO, and LOME in real water samples was developed and showed outstanding applicability. The spiked recoveries and relative standard deviations (RSDs) were 89.67-100.5%, and 3.59-7.12%, respectively.
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Affiliation(s)
- Yinming Fan
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006, Guangzhou, People's Republic of China
| | - Guolong Zeng
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006, Guangzhou, People's Republic of China
| | - Xiaoguo Ma
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006, Guangzhou, People's Republic of China.
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33
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Li H, Wang S, Cui F, Zhuo B, Wang S, Zhao C, Liu W. Sensitive and selective detection of puerarin based on the hybrid of reduced graphene oxide and molecularly imprinted polymer. J Pharm Biomed Anal 2020; 185:113221. [PMID: 32145538 DOI: 10.1016/j.jpba.2020.113221] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 02/22/2020] [Accepted: 02/29/2020] [Indexed: 01/19/2023]
Abstract
Puerarin, an important isoflavone, has been widely used for the treatment of angina and hypertension. In this work, we developed a novel electrochemical sensor for the detection of puerarin based on the hybrid of reduced graphene oxide (RGO) and molecularly imprinted polymer (MIP). The RGO/MIP sensor functions by target puerarin recognition and electro-oxidization via a two-proton and two-electron process, enabling the detection of puerarin with good selectivity and high sensitivity. The MIP layer was integrated on the surface of RGO by the electro-co-polymerization of o-phenylenediamine (monomer) and puerarin (template), resulting in high surface area, binding capacity, good conductivity and faster mass transfer. The nanostructure of the RGO/MIP hybrid was demonstrated using scanning electron microscopy (SEM) and atomic force microscopy (AFM). Experimental conditions involved in the sensor fabrication process were evaluated. Under the optimized condition, a wide linear range (0.02 μM ∼ 40 μM) and a low detection limit (0.006 μM) were achieved. The sensor was applied to detect puerarin in human urine and injection samples, and the result was comparable with that of the gold standard method of high-performance liquid chromatography (HPLC), indicating a promise in the further application to pharmacokinetics or therapeutic drug monitoring.
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Affiliation(s)
- Haifeng Li
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Shuang Wang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Fan Cui
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Beibei Zhuo
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Shuang Wang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Chenrui Zhao
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Weilu Liu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, PR China.
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Fahim AM, Wasiniak B, Łukaszewicz JP. Molecularly Imprinted Polymer and Computational Study of (E)-4-(2- cyano-3-(dimethylamino)acryloyl)benzoic Acid from Poly(ethylene terephthalate) Plastic Waste. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411015666190131123843] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Background:
Molecularly imprinted polymers (MIPs) are utilized in the separation of a
pure compound from complex matrices. A stable template-monomer complex generates MIPs with
the highest affinity and selectivity for the template. In this investigation, degradation of
Poly(ethylene terephthalate) PET afforded the (E)-4-(2-cyano-3-(dimethylamino) acryloyl) benzoic
acid (4) (TAM) which used TAM as template which interacts with Methacrylic Acid (MAA)
monomer, in the presence of CH3CN as progen. The TAM-MMA complex interactions are dependent
on stable hydrogen bonding interaction between the carboxylic acid group of TAM and the
hydroxyl group of MMA with minimal interference of porogen CH3CN. The DFT/B3LYP/6-31+G
model chemistry was used to optimize their structures and frequency calculations. The binding energies
between TAM with different monomers showed the most stable molar ratio of 1:4 which was
confirmed through experimental analysis.
Methods:
The present work describes the synthesis of (E)-4-(2-cyano-3-(dimethylamino) acryloyl)
benzoic acid (4) (TAM) from PET waste and formation of molecularly imprinted polymer from
TAM with the methacrylic acid monomer. The optimization of molecular imprinted was stimulated
via DFT/B3LYP/6-31G (d). The imprinted polymer film was characterized via thermal analysis, pore
size, FT-IR and scanning electron microscopy.
Results:
The most stable molecularly imprinted polymers (MIPs) showed binding energy of
TAM(MMA4)=-2063.456 KJ/mol with a small value of mesopores (10-100 Å). Also, the sorption
capability of TAM-MIPs showed 6.57 mg/g using STP-MIP-9VC. Moreover, the average pore size
ranged between 0.2-1 nm with the BET surface about 300 m2/g.
Conclusion:
The proposed TAM exhibited a high degree of selectivity for MMA in comparison with
other different monomers through hydrogen bond interaction, which was thermally stable, good reproducibility
and excellent regeneration capacity and elucidated in the computational study and analytical
analysis.
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Affiliation(s)
- Asmaa M. Fahim
- Green Chemistry Department, National Research Center, Dokki, P.O. Box.12622 Cairo, Egypt
| | - Bartłomiej Wasiniak
- Fundamentals of Chemistry Department, Nicolaus Copernicus University, 7 Gagarin St, PL-87 100 Torun, Poland
| | - Jerzy P. Łukaszewicz
- Fundamentals of Chemistry Department, Nicolaus Copernicus University, 7 Gagarin St, PL-87 100 Torun, Poland
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Ji K, Luo X, He L, Liao S, Hu L, Han J, Chen C, Liu Y, Tan N. Preparation of hollow magnetic molecularly imprinted polymer and its application in silybin recognition and controlled release. J Pharm Biomed Anal 2020; 180:113036. [DOI: 10.1016/j.jpba.2019.113036] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 12/04/2019] [Accepted: 12/06/2019] [Indexed: 01/03/2023]
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Wu J, Tan L, Li Y, Wu X, Liang Y. Highly ordered molecularly imprinted mesoporous silica for selective removal of bisphenol A from wastewater. J Sep Sci 2019; 43:987-995. [PMID: 31828955 DOI: 10.1002/jssc.201900957] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 12/02/2019] [Accepted: 12/04/2019] [Indexed: 02/06/2023]
Abstract
Selective removal of bisphenol A from wastewater is quite challenging primarily because of its low concentration and matrix complexity. To this end, according to the molecular structure of bisphenol A, we designed a functional monomer for the preparation of molecularly imprinted mesoporous silica using click chemistry reaction. The resultant bisphenol A imprinted mesoporous silica was characterized by transmission electron microscopy, small angle X-ray diffraction, and N2 adsorption-desorption experiments. The results indicated that the bisphenol A imprinted mesoporous silica possessed a highly ordered periodic hexagonal mesostructure with the Brunauer-Emmett-Teller surface area of 944.28 m2 /g. The bisphenol A imprinted mesoporous silica showed fast adsorption kinetics and the saturated adsorption capacity reached up to 88.6 mg/g at pH 6.5, and with relative selectivity factors ranged from 1.06 to 3.20. The adsorption efficiency of the bisphenol A imprinted mesoporous silica was above 97.96% after five extraction/elution cycles. The bisphenol A imprinted mesoporous silica was further applied to the selective removal of bisphenol A from real wastewater samples and showed great promise in practical applications.
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Affiliation(s)
- Jinyi Wu
- School of Chemistry and Environment, South China Normal University, 510006, Guangzhou, P. R. China
| | - Lei Tan
- Guangzhou Center for Disease Control and Prevention, 510440, Guangzhou, P. R. China
| | - Yuling Li
- School of Chemistry and Environment, South China Normal University, 510006, Guangzhou, P. R. China
| | - Xiaotong Wu
- School of Chemistry and Environment, South China Normal University, 510006, Guangzhou, P. R. China
| | - Yong Liang
- School of Chemistry and Environment, South China Normal University, 510006, Guangzhou, P. R. China
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A Review on Recent Treatment Technology for Herbicide Atrazine in Contaminated Environment. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16245129. [PMID: 31888127 PMCID: PMC6950201 DOI: 10.3390/ijerph16245129] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 12/04/2019] [Accepted: 12/12/2019] [Indexed: 12/24/2022]
Abstract
Atrazine is a kind of triazine herbicide that is widely used for weed control due to its good weeding effect and low price. The study of atrazine removal from the environment is of great significance due to the stable structure, difficult degradation, long residence time in environment, and toxicity on the organism and human beings. Therefore, a number of processing technologies are developed and widely employed for atrazine degradation, such as adsorption, photochemical catalysis, biodegradation, etc. In this article, with our previous research work, the progresses of researches about the treatment technology of atrazine are systematically reviewed, which includes the four main aspects of physicochemical, chemical, biological, and material-microbial-integrated aspects. The advantages and disadvantages of various methods are summarized and the degradation mechanisms are also evaluated. Specially, recent advanced technologies, both plant-microbial remediation and the material-microbial-integrated method, have been highlighted on atrazine degradation. Among them, the plant-microbial remediation is based on the combined system of soil-plant-microbes, and the material-microbial-integrated method is based on the synergistic effect of materials and microorganisms. Additionally, future research needs to focus on the excellent removal effect and low environmental impact of functional materials, and the coordination processing of two or more technologies for atrazine removal is also highlighted.
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Zhang M, Ma X, Li J, Huang R, Guo L, Zhang X, Fan Y, Xie X, Zeng G. Enhanced removal of As(Ⅲ) and As(Ⅴ) from aqueous solution using ionic liquid-modified magnetic graphene oxide. CHEMOSPHERE 2019; 234:196-203. [PMID: 31220653 DOI: 10.1016/j.chemosphere.2019.06.057] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 06/05/2019] [Accepted: 06/08/2019] [Indexed: 05/22/2023]
Abstract
In this study, ionic liquid (IL) 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF6])-modified magnetic graphene oxide (MGO-IL) was prepared for the first time, and was used to adsorb and remove arsenic (As(Ⅲ) and As(V)) ions from aqueous solution. MGO-IL was characterized by scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction, thermogravimetric analysis, and magnetization curves. Effects of ionic liquid type, solution pH, initial arsenic concentration and contact time on the adsorption performance of MGO-IL for As(Ⅲ) and As(V) were studied. The experimental results showed that the adsorption equilibrium was achieved within 30 min, with maximum adsorption capacities of 160.65 mg g-1 for As(Ⅲ) and 104.13 mg g-1 for As(V), respectively, and MGO-IL could be rapidly isolated from solution by applying a magnetic field. MGO-IL was reused for 5 times, without marked decrease in its adsorption capacities. Moreover, common coexisting anions did not interfere with the absorption of As(Ⅲ) and As(V). Compared with MGO, the sorption quantities of MGO-IL for As(Ⅲ) and As(V) were greatly enhanced, and the equilibrium time was significantly reduced. Therefore, MGO-IL can potentially serve as an excellent adsorbent for the simultaneous separation and removal of As(Ⅲ) and As(V) from water.
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Affiliation(s)
- Mengyuan Zhang
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Xiaoguo Ma
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China.
| | - Jing Li
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Renfeng Huang
- School of Environmental Science and Engineering, South China University of Technology, Guangzhou, 510006, China
| | - Lihui Guo
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Xiaofeng Zhang
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yinming Fan
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Xiaowen Xie
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Guolong Zeng
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
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Shah J, Jan MR, Rahman I. Dispersive Solid Phase Microextraction of Fenoxaprop-p-ethyl Herbicide from Water and Food Samples Using Magnetic Graphene Composite. J Inorg Organomet Polym Mater 2019. [DOI: 10.1007/s10904-019-01341-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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40
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Selective fluorescence sensor based on ion-imprinted polymer-modified quantum dots for trace detection of Cr(VI) in aqueous solution. Anal Bioanal Chem 2019; 411:7165-7175. [DOI: 10.1007/s00216-019-02100-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 08/08/2019] [Accepted: 08/22/2019] [Indexed: 12/15/2022]
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41
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Magnetic graphene oxide–based solid-phase extraction combined with dispersive liquid–liquid microextraction for the simultaneous preconcentration of four typical pesticide residues in fruit juice and pulp. FOOD ANAL METHOD 2019. [DOI: 10.1007/s12161-019-01635-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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42
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Huang Y, Zhao T, He J. Preparation of magnetic molecularly imprinted polymers for the rapid detection of diethylstilbestrol in milk samples. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2019; 99:4452-4459. [PMID: 30866048 DOI: 10.1002/jsfa.9682] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 02/26/2019] [Accepted: 03/11/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Diethylstilbestrol (DES) residues are harmful to human health because of their potential carcinogenic properties. Therefore, it is important to develop a fast and efficient pretreatment method to prevent their harmful effects on human health and the environment. RESULTS In this paper, two types of magnetic molecularly imprinted polymers (MMIPs) of DES were prepared by bulk polymerization and the sol-gel method, respectively. The synthetic materials were characterized using Fourier transform infrared spectroscopy, scanning electron microscopy and thermogravimetric analysis. Adsorption capacities of the bulk and sol-gel MMIPs were investigated. A rapid detection method was developed using the two types of MMIPs as sorbents, coupled to high-performance liquid chromatography, for the determination of DES residues in milk samples. Under optimized conditions, the limit of detection (S/N = 3) of both methods for DES was 2.0 μg L-1 ; and the linear response range to DES was 0.1-500 mg L-1 . The milk samples were analyzed according to this method with good recoveries of 88.3-97.6 and 90.5-103.5% for the two types of MMIPs, respectively. CONCLUSIONS The method described had high sensitivity and high selectivity, and could prove to be a new method for the rapid determination of DES residues in milk samples. © 2019 Society of Chemical Industry.
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Affiliation(s)
- YuXia Huang
- Food Science and Engineering, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
| | - Tao Zhao
- Food Science and Engineering, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
| | - Jinxing He
- Food Science and Engineering, School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
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43
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Li J, Zhao L, Wei C, Sun Z, Zhao S, Cai T, Gong B. Preparation of restricted access media molecularly imprinted polymers for efficient separation and enrichment ofloxacin in bovine serum samples. J Sep Sci 2019; 42:2491-2499. [DOI: 10.1002/jssc.201900103] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 05/13/2019] [Accepted: 05/15/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Jianmin Li
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
| | - Lijuan Zhao
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
- Ningxia entry‐exit inspection and quarantine bureau comprehensive technology center Yinchuan P. R. China
| | - Chanling Wei
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
- Ningxia entry‐exit inspection and quarantine bureau comprehensive technology center Yinchuan P. R. China
| | - Zhian Sun
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
| | - Shanwen Zhao
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
| | - Tianpei Cai
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
| | - Bolin Gong
- North Minzu UniversityDepartment of School of Chemistry and Chemical Engineering Yinchuan P. R. China
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44
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Wang R, Ma X, Zhang X, Li X, Li D, Dang Y. C8-modified magnetic graphene oxide based solid-phase extraction coupled with dispersive liquid-liquid microextraction for detection of trace phthalate acid esters in water samples. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 170:789-795. [PMID: 30593992 DOI: 10.1016/j.ecoenv.2018.12.051] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 12/01/2018] [Accepted: 12/17/2018] [Indexed: 06/09/2023]
Abstract
Phthalate acid esters (PAEs) are extensively applied in plastic and plastic products, and have caused potential hazards on human and animal health. In this study, a highly sensitive method was proposed for trace detection of selected PAEs in water by gas chromatography-mass spectrometry, after solid-phase extraction (SPE) using octyl (C8)-modified magnetic graphene oxide (MGO-C8) as the adsorbent followed by dispersive liquid-liquid microextraction (DLLME). The prepared MGO-C8 was characterized by Fourier transform infrared spectroscopy (FT-IR), thermo gravimetric analysis (TGA) and vibrating sample magnetometry (VSM). The recoveries of the PAEs using MGO-C8 as the adsorbent were found to be significantly higher those obtained by MGO. The influences of solution pH, adsorption and desorption time, eluent and extractant, and salt addition on the extraction efficiency of PAEs were investigated. Under the optimized conditions, limits of detection (LODs) of 0.5-1.0 ng L-1 for PAEs, and related standard deviations (RSDs) of 4.8-7.5% were obtained. The proposed method was utilized in the detection of trace PAEs in real environmental water samples, with spiked recoveries of 89.5-112.3%, 91.5-105.0% and 98.0-110.0% for DBP, DEHP and DNOP, respectively.
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Affiliation(s)
- Rui Wang
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Xiaoguo Ma
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China.
| | - Xiaojun Zhang
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Xin Li
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Danping Li
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Yongfeng Dang
- Monitoring center of Pearl River Valley Aquatic Environment, Guangzhou 510611, China
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45
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İlktaç R, Gumus ZP, Aksuner N, Coskunol H. Highly sensitive and selective method for the rapid determination and preconcentration of haloperidol by using a magnetite-molecularly imprinted polymer. J Sep Sci 2019; 42:2115-2122. [PMID: 30980609 DOI: 10.1002/jssc.201900158] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 04/03/2019] [Accepted: 04/03/2019] [Indexed: 01/10/2023]
Abstract
A sensitive and selective method based on the determination of haloperidol with the usage of magnetite-molecularly imprinted polymer and high-resolution liquid chromatography has been developed. This novel method is rapid as the detection procedure for haloperidol can be completed within a total time of 1 h. The same imprinted polymer can be used for the determination of haloperidol at least 20 times. The proposed method has been succesfully applied to synthetic urine and serum samples and the recoveries of the spiked samples were in the range of 94.7-100.7%. The limit of detection and limit of quantification of the method were 2.25 and 7.50 μg/L, respectively. Linearity of the calibration graph was observed within the range of 10-250 μg/L. By combining the high capacity, high selectivity, and reusability of the magnetic adsorbent with the dynamic calibration range, high sensitivity and high resolution of liquid chromatography with quadrupole time-of-flight mass spectrometry, the proposed method is an ideal method for the determination and preconcentration of trace levels of haloperidol. A magnetite-molecularly imprinted polymer has been used for the first time as a selective adsorbent for the determination of haloperidol.
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Affiliation(s)
- Raif İlktaç
- Application and Research Center for Testing and Analysis, Ege University, Bornova, İzmir, Turkey
| | - Zinar Pinar Gumus
- Application and Research Center for Testing and Analysis, Ege University, Bornova, İzmir, Turkey
| | - Nur Aksuner
- Application and Research Center for Testing and Analysis, Ege University, Bornova, İzmir, Turkey.,Department of Chemistry, Faculty of Science, Ege University, Bornova, İzmir, Turkey
| | - Hakan Coskunol
- School of Medicine, Department of Psychiatry, Ege University, Bornova, Izmir, Turkey
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46
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Polythiophene-coated cerium oxide nanocomposite for efficient solid-phase extraction of trace levels of Zn2+ followed by flame atomic absorption spectrometry. Polym Bull (Berl) 2019. [DOI: 10.1007/s00289-019-02748-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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47
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Wang C, Cheng L, Zhang L, Zuo Y. Graphene oxide based molecularly imprinted polymers modified with β-cyclodextrin for selective extraction of di(2-ethylhexyl) phthalate in environmental waters. J Sep Sci 2019; 42:1248-1256. [PMID: 30641617 DOI: 10.1002/jssc.201801171] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 01/03/2019] [Accepted: 01/08/2019] [Indexed: 01/30/2023]
Abstract
Graphene oxide based molecularly imprinted polymers modified with β-cyclodextrin were prepared as solid-phase extraction column sorbents for specific recognition and sensitive detection of di(2-ethylhexyl) phthalate in water samples. The morphology and composition of synthesized sorbents were characterized by scanning electron microscopy, thermo-gravimetric analysis, Raman spectroscopy, and Fourier-transform infrared spectroscopy. The conditions affecting the performance of extraction procedures such as desorption solvent types and volume, sample pH and volume were investigated. The loading capacity (8.2 μg/mg) of the prepared sorbents increased eight times after modification with β-cyclodextrin. The developed extraction procedures coupled to high-performance liquid chromatography exhibited good linearity (0.2-500 μg/L), low limit of detection (0.052 μg/L), and good precision (relative standard deviation˂5.7%) under optimized conditions. The developed solid-phase extraction technique with prepared sorbents has been successfully applied in extracting trace di(2-ethylhexyl) phthalate from real natural waters with high efficiency, good selectivity, and desirable recoveries.
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Affiliation(s)
- Chengjun Wang
- College of Resources and Environmental Science, South-Central University for Nationalities, Wuhan, P. R. China
| | - Lidong Cheng
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, P. R. China
| | - Lin Zhang
- Department of Physical & Environmental Sciences, Texas A&M University, Corpus Christi, TX, USA
| | - Yuegang Zuo
- Department of Chemistry and Biochemistry, University of Massachusetts Dartmouth, North Dartmouth, MA, USA
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48
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Kumar N, Narayanan N, Gupta S. Ultrasonication assisted extraction of chlorpyrifos from honey and brinjal using magnetic molecularly imprinted polymers followed by GLC-ECD analysis. REACT FUNCT POLYM 2019. [DOI: 10.1016/j.reactfunctpolym.2018.12.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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49
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Wang L, Li J, Wang J, Guo X, Wang X, Choo J, Chen L. Green multi-functional monomer based ion imprinted polymers for selective removal of copper ions from aqueous solution. J Colloid Interface Sci 2019; 541:376-386. [PMID: 30710820 DOI: 10.1016/j.jcis.2019.01.081] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 01/19/2019] [Accepted: 01/21/2019] [Indexed: 10/27/2022]
Abstract
Green ion imprinted polymers (IIPs) were prepared in aqueous phase via the synergy of three functional monomers of low-cost eco-friendly gelatin (G), 8-hydroxyquinoline (HQ) and chitosan (C), namely G-HQ-C IIPs, and were applied as an effective and recyclable adsorbent to remove Cu(II) from aqueous solution. The as-prepared G-HQ-C IIPs were systematically characterized, and several major factors affecting adsorption capacity including solution pH, temperature and contact time were investigated in detail. The adsorption of Cu(II) on G-HQ-C IIPs followed the pseudo-second-order kinetic and Langmuir isotherm models, and the adsorption capacity increased with temperature increase. Moreover, the maximum adsorption capacities of G-HQ-C IIPs toward Cu(II) reached up to 111.81 mg/g at room temperature, much higher than those of most of the reported adsorbents for Cu(II). The G-HQ-C IIPs displayed excellent selectivity against seven common divalent ions with selectivity coefficients above 18.71, as well as high anti-interference ability. Additionally, a good reusability was demonstrated without significant loss in adsorption capacity after at least ten cycles. The IIPs were applied to environmental water samples for selective removal of Cu(II) with satisfactory results. By replacing Cu(II) template by Cd(II), Hg(II) and Pb(II), respectively, the obtained three kinds of IIPs based on G-HQ-C presented convincing imprinting properties, and therefore the work could provide a simple and general imprinting strategy toward various concerned heavy metal ions through multi-point interactions from multiple functional monomers.
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Affiliation(s)
- Liyan Wang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; University of Chinese Academy of Sciences, Beijing 100049, China; Department of Polymer Chemistry, Yantai Engineering & Technology College, Yantai 264006, China
| | - Jinhua Li
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Jianan Wang
- School of Civil Engineering, Yantai University, Yantai 264005, China
| | - Xiaotong Guo
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaoyan Wang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Jaebum Choo
- Department of Chemistry, Chung-Ang University, Seoul 06974, South Korea.
| | - Lingxin Chen
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China.
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50
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Zhang C, Xiao Z, Qin T, Yang Z. Modification of nanocrystalline TiO 2 coatings with molecularly imprinted TiO 2 for uric acid recognition. J Mol Recognit 2018; 32:e2775. [PMID: 30592338 DOI: 10.1002/jmr.2775] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 11/08/2018] [Accepted: 11/27/2018] [Indexed: 12/25/2022]
Abstract
Combining the surface modification and molecular imprinting technique, a novel piezoelectric sensing platform with excellent molecular recognition capability was established for the detection of uric acid (UA) based on the immobilization of TiO2 nanoparticles onto quartz crystal microbalance (QCM) electrode and modification of molecularly imprinted TiO2 (MIT) layer on TiO2 nanoparticles. The performance of the fabricated biosensor was evaluated, and the results indicated that the biosensor exhibited high sensitivity in UA detection, with a linear range from 0.04 to 45 μM and a limit of detection of 0.01 μM. Moreover, the biosensor presented high selectivity towards UA in comparison with other interferents. The analytical application of the UA biosensor confirmed the feasibility of UA detection in urine sample.
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Affiliation(s)
- Chunlei Zhang
- Bone Tumour and Bone Disease Department II, Zhengzhou Orthopaedic Hospital, Zhengzhou, China
| | - Zhiguo Xiao
- College of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo, China
| | - Tongtong Qin
- Institute of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo, China
| | - Zhengpeng Yang
- Institute of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo, China
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