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Himshweta, Verma N, Trehan N, Singh M. Molecularly imprinted polymers in the analysis of chlorogenic acid: A review. Anal Biochem 2024; 694:115616. [PMID: 38996900 DOI: 10.1016/j.ab.2024.115616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 06/28/2024] [Accepted: 07/10/2024] [Indexed: 07/14/2024]
Abstract
Chlorogenic acid, a phenolic compound, is prevalent across various plant species and has been known for its pharmacological advantages. Health care experts have identified chlorogenic acid as a potential biomarker for treatment of a wide range of illnesses. Therefore, achieving efficient extraction and analysis of chlorogenic acid from plants and their products has become essential. Molecularly imprinted polymers (MIPs) are highly effective adsorbent for the extraction of chlorogenic acid from complex matrices. Currently, there is a lack of comprehensive review article that consolidate the methods utilized for the purification of chlorogenic acid through molecular imprinting. In this context, we have surveyed the common approaches employed in preparing MIPs specifically designed for the analysis of chlorogenic acid, including both conventional and newly developed. This review discusses the advantages, limitations of polymerization techniques and proposed strategies to produce more efficient MIPs for chlorogenic acid enrichment in complex samples. Additionaly, we present advanced imprinting methods for designing MIPs, which improve the adsorption capacity, sensitivity and selectivity towards chlorogenic acid.
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Affiliation(s)
- Himshweta
- Biosensor Development Group, Department of Biotechnology & Food Technology, Punjabi University Patiala, 147002, Punjab, India.
| | - Neelam Verma
- Biosensor Development Group, Department of Biotechnology & Food Technology, Punjabi University Patiala, 147002, Punjab, India.
| | - Nitu Trehan
- Department of Biotechnology, Mata Gujri College Fatehgarh Sahib-140407, Punjab, India.
| | - Minni Singh
- Functional Food and Nanotechnology Group, Department of Biotechnology & Food Technology, Punjabi University Patiala-147002, Punjab, India.
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2
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Liu Z, Shi B, Yang R, Yang Z, Zhang D, Duan J, Wang J, Zhang A, Liu Y. Advances in molecularly imprinted materials for selective adsorption of phenolic pollutants from the water environment: Synthesis, applications, and improvement. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172309. [PMID: 38599408 DOI: 10.1016/j.scitotenv.2024.172309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/22/2024] [Accepted: 04/06/2024] [Indexed: 04/12/2024]
Abstract
The application of molecularly imprinted material (MIM) is widely employed as a material for removing phenolic pollutants from the water environment, owing to its exceptional capacity for selective adsorption and high sensitivity. In this paper, the preparation principle, bonding types, and preparation methods of MIM have been comprehensively introduced. Meanwhile, according to the binding type of MIM with phenolic pollutants, three categories of hydroxyl bonding, hydroxyl carboxyl bonding, and hydroxyl nitro bonding were carried out to explain its application to phenolic pollutants. Strategies for addressing the challenges of selective instability, high regeneration costs, and template leakage in MIM applications were summarized. These strategies encompassed the introduction of superior carriers, enhancements in preparation processes, and the utilization of molecular dynamics simulation-assisted technology. Finally, the prospects in the three aspects of material preparation, process coupling, and recycling. In summary, this paper has demonstrated the potential of utilizing MIM for the selective treatment of phenolic pollutants from the water environment.
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Affiliation(s)
- Zhe Liu
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an 710055, China; Key Lab of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China; Yulin Ecological Environment Monitoring Station, High-tech Zone Xingda Road, Yulin 719000, China.
| | - Bingrui Shi
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an 710055, China
| | - Rushuo Yang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an 710055, China
| | - Zhuangzhuang Yang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an 710055, China
| | - Dan Zhang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an 710055, China
| | - Jiaqi Duan
- School of Architecture and Civil Engineering, Xi'an University of Science and Technology, Yan Ta Road, No. 58, Xi'an 710054, China
| | - Jiaxuan Wang
- School of Architecture and Civil Engineering, Xi'an University of Science and Technology, Yan Ta Road, No. 58, Xi'an 710054, China
| | - Aining Zhang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an 710055, China
| | - Yongjun Liu
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Yan Ta Road, No.13, Xi'an 710055, China; Key Lab of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China
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3
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Shen D, Yan Y, Hu X, Zhong Y, Li Z, Guo Y, Xie L, Yuan D. Deep-Eutectic-Solvent-Based Mesoporous Molecularly Imprinted Polymers for Purification of Gallic Acid from Camellia spp. Fruit Shells. Int J Mol Sci 2022; 23:ijms232113089. [PMID: 36361874 PMCID: PMC9658731 DOI: 10.3390/ijms232113089] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 10/12/2022] [Accepted: 10/26/2022] [Indexed: 11/25/2022] Open
Abstract
To produce antioxidant substances from agricultural waste Camellia spp. fruit shells before their further utilization, gallic acid from five kinds of Camellia spp. fruit shells was separated on specific recognition by deep eutectic solvent molecularly imprinted polymers (DES@MIPs), which were prepared by bulk polymerization using gallic acid as the template and deep eutectic solvents (α-methylacrylic acid and choline chloride) as functional monomers. The optimized DES@MIPs were characterized by scanning electron microscopy, particle size analysis, nitrogen sorption porosimetry, elemental analysis, Fourier transform infrared spectroscopy, and thermal gravimetric analysis. The adsorptive behavior of gallic acid on DES@MIPs was also investigated. The results indicated that DES@MIPs were successfully prepared as mesoporous materials with average pore diameter of 9.65 nm and total pore volume of 0.315 cm3 g−1, and the adsorption behavior was multilayer adsorption and pseudo-second-order kinetics with the saturation adsorptive capacity of gallic acid reaching 0.7110 mmol g−1. Although the content of gallic acid in five fruit shells was quite different, the purification recovery of gallic acid was high, ranging from 87.85–96.75% with a purity over 80%. Thus, the purification of gallic acid from Camellia spp. fruit shells could be realized feasibly using DES@MIPs with favorable economic and environmental benefits.
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Affiliation(s)
- Dianling Shen
- College of Sciences, Central South University of Forestry and Technology, Changsha 410004, China
| | - Yu Yan
- College of Material Science and Technology, Central South University of Forestry and Technology, Changsha 410004, China
| | - Xiaopeng Hu
- College of Sciences, Central South University of Forestry and Technology, Changsha 410004, China
| | - Yujun Zhong
- College of Sciences, Central South University of Forestry and Technology, Changsha 410004, China
| | - Zhiyang Li
- College of Sciences, Central South University of Forestry and Technology, Changsha 410004, China
| | - Yaping Guo
- College of Sciences, Central South University of Forestry and Technology, Changsha 410004, China
| | - Lianwu Xie
- College of Sciences, Central South University of Forestry and Technology, Changsha 410004, China
- College of Material Science and Technology, Central South University of Forestry and Technology, Changsha 410004, China
- Correspondence: (L.X.); (D.Y.); Tel.: +86-731-85623819 (L.X.); +86-731-85623450 (D.Y.)
| | - Deyi Yuan
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees of Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China
- Correspondence: (L.X.); (D.Y.); Tel.: +86-731-85623819 (L.X.); +86-731-85623450 (D.Y.)
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4
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Buffon E, Stradiotto NR. Using a disposable platform based on reduced graphene oxide, iron nanoparticles and molecularly imprinted polymer for voltammetric determination of vanillic acid in fruit peels. Food Chem 2022; 397:133786. [PMID: 35908470 DOI: 10.1016/j.foodchem.2022.133786] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 06/21/2022] [Accepted: 07/23/2022] [Indexed: 11/24/2022]
Abstract
This work reports the development and application of a disposable electrochemical platform for vanillic acid (VA) detection using screen-printed electrode modified with reduced graphene oxide, iron nanoparticles and molecularly imprinted poly(pyrrole) film. The electrochemical platform was characterized by cyclic voltammetry, electrochemical impedance spectroscopy, scanning electron microscopy, energy dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy. Using optimized conditions, the proposed disposable platform presented linear concentration ranges of 1.0 × 10-9 to 1.5 × 10-7 mol/L. The limits of detection and quantification obtained for the device were 3.1 × 10-10 and 1.0 × 10-9 mol/L, respectively. The electrochemical platform was found to be selective for VA recognition and presented voltammetric responses with good repeatability and stability. The analytical methodology developed was applied for VA determination in banana and orange peels. The results obtained showed that the proposed electrochemical platform has a good accuracy when applied for the determination of VA.
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Affiliation(s)
- Edervaldo Buffon
- Institute of Chemistry, São Paulo State University (UNESP), 14800-060 Araraquara, São Paulo, Brazil; Bioenergy Research Institute, São Paulo State University (UNESP), 14800-060 Araraquara, São Paulo, Brazil.
| | - Nelson Ramos Stradiotto
- Institute of Chemistry, São Paulo State University (UNESP), 14800-060 Araraquara, São Paulo, Brazil; Bioenergy Research Institute, São Paulo State University (UNESP), 14800-060 Araraquara, São Paulo, Brazil
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5
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Chen P, Wang C, Qiao Y, Teng Y, Wang J, Yu Z, Wu D, Wang J, Liu B. Molecularly imprinted polymers with visualized adsorption and antibacterial activity for the separation of BSA. CHEM LETT 2022. [DOI: 10.1246/cl.220262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Peng Chen
- Department of pharmacy, Air Force Military Medical University, Xi’an, 710000, China
| | - Chaoli Wang
- Department of pharmacy, Air Force Military Medical University, Xi’an, 710000, China
| | - Youbei Qiao
- Department of pharmacy, Air Force Military Medical University, Xi’an, 710000, China
| | - Yonggang Teng
- Department of Thoracic Surgery, Tangdu Hospital, Air Force Military Medical University, Xi’an, 710000, China
| | - Jingwei Wang
- Department of pharmacy, Air Force Military Medical University, Xi’an, 710000, China
| | - Zhe Yu
- Department of pharmacy, Air Force Military Medical University, Xi’an, 710000, China
| | - Danfeng Wu
- China Xi’an Satellite Control Centin, xianningxilu 462, Xi’an city, China
| | - Jian Wang
- Department of Thoracic Surgery, Tangdu Hospital, Air Force Military Medical University, Xi’an, 710000, China
| | - Bangfu Liu
- Hunan electronic information industry institute, Jiefangdonglu 51, Changsha, 410000, China
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6
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Zhao N, Liu Z, Xing J, Zheng Z, Song F, Liu S. A novel strategy for high-specificity, high-sensitivity, and high-throughput study for gut microbiome metabolism of aromatic carboxylic acids. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.09.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Abstract
The review describes the development of batch solid phase extraction procedures based on dispersive (micro)solid phase extraction with molecularly imprinted polymers (MIPs) and magnetic MIPs (MMIPs). Advantages and disadvantages of the various MIPs for dispersive solid phase extraction and dispersive (micro)solid phase extraction are discussed. In addition, an effort has also been made to condense the information regarding MMIPs since there are a great variety of supports (magnetite and magnetite composites with carbon nanotubes, graphene oxide, or organic metal framework) and magnetite surface functionalization mechanisms for enhancing MIP synthesis, including reversible addition-fragmentation chain-transfer (RAFT) polymerization. Finally, drawbacks and future prospects for improving molecularly imprinted (micro)solid phase extraction (MIMSPE) are also appraised.
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8
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Zhao N, Xing J, Zheng Z, Pi Z, Song F, Liu Z, Liu S. Boronate Affinity-Based Oriented and Double-Shelled Surface Molecularly Imprinted Polymers on 96-Well Microplates for a High-Throughput Pharmacokinetic Study of Rutin and Its Metabolites. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:3972-3981. [PMID: 33755461 DOI: 10.1021/acs.jafc.0c07431] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The boronate affinity-based oriented and double-shelled surface molecularly imprinted polymers on 96-well microplates (BDMIPs) were designed and applied to high-specific and high-throughput pharmacokinetic (PK) study of rutin and its metabolites from rat plasma without concentration and redissolution. It integrated the advantages of covalent effects-based boronate affinity, noncovalent effects of ethylene imine polymer (PEI) dendrimer, multiple cavities-based double-shelled layers, and multiparallel wells-based 96-well microplates. Furthermore, ultrahigh-performance liquid chromatography triple quadrupole tandem mass spectrometry (UHPLC-MS/MS) was used to accurately quantify targets. It showed lower limits of detection (LODs) up to 100-fold than the conventional method. And PKs of rutin and trace isoquercetin (IQC) were first reported at the same time. The platform can provide a fast, simple, low-cost, high-selective, high-effective, and high-throughput methodological reference for analysis of large-scale samples in the fields of agriculture and food.
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Affiliation(s)
- Ningning Zhao
- Jilin Provincial Key Laboratory of Chinese Medicine Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Institute of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230029, China
| | - Junpeng Xing
- Jilin Provincial Key Laboratory of Chinese Medicine Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Zhong Zheng
- Jilin Provincial Key Laboratory of Chinese Medicine Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Zifeng Pi
- Jilin Provincial Key Laboratory of Chinese Medicine Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Fengrui Song
- Jilin Provincial Key Laboratory of Chinese Medicine Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Institute of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230029, China
| | - Zhiqiang Liu
- Jilin Provincial Key Laboratory of Chinese Medicine Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Institute of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230029, China
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Shu Liu
- Jilin Provincial Key Laboratory of Chinese Medicine Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
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9
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Sun Y, Zheng W. Surface molecular imprinting on polystyrene resin for selective adsorption of 4-hydroxybenzoic acid. CHEMOSPHERE 2021; 269:128762. [PMID: 33143895 DOI: 10.1016/j.chemosphere.2020.128762] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/26/2020] [Accepted: 10/25/2020] [Indexed: 06/11/2023]
Abstract
Using chloromethylated polystyrene resin, N,N-diethylaminoethyl methacrylate, and ethylene glycol dimethacrylate as support, functional monomer and cross-linker, respectively, the molecularly imprinted resin (MIR) and non-imprinted resin (NIR) were fabricated by the combination of atom transfer radical polymerization and surface imprinting technique for the selective adsorption of 4-hydroxybenzoic acid (4-HB) from aqueous solutions. The prepared adsorbents were characterized by N2 adsorption/desorption isotherms, Fourier-transform infrared spectroscopy, and X-ray photoelectron spectroscopy. The adsorption processes of the 4-HB with MIR and NIR followed pseudo-second-order kinetics, and the adsorption isotherms were appreciably described by the Langmuir model. Furthermore, the adsorption efficiencies of MIR and NIR for different compounds in single and binary solutions proved that MIR exhibited high adsorption capacity and favorable selectivity toward 4-HB over other structurally related organic compounds (i.e., benzoic acid, 2-hydroxybenzoic acid, 3-hydroxybenzoic acid, phenol, and 2-hydroxynaphthalene). In addition, MIR could effectively remove 4-HB from a simulated effluent in a dynamic adsorption experiment. This study illustrates in-depth perspectives on the adsorption mechanisms of 4-HB onto MIR; interactions between the adsorbate and adsorbent were proposed based on the adsorption behaviours and instrumental analyses. The resulting MIR is a promising material for the interference-free adsorbent in the selective adsorption of 4-HB from mixed solutions.
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Affiliation(s)
- Yue Sun
- Department of Municipal Engineering, School of Civil Engineering, Southeast University, Nanjing, 210096, China.
| | - Weisheng Zheng
- Department of Municipal Engineering, School of Civil Engineering, Southeast University, Nanjing, 210096, China
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10
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Li G, Row KH. Deep eutectic solvents cross‐linked molecularly imprinted chitosan microsphere for the micro‐solid phase extraction of
p
‐hydroxybenzoic acid from pear rind. J Sep Sci 2020; 44:549-556. [DOI: 10.1002/jssc.202000984] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 11/09/2020] [Accepted: 11/13/2020] [Indexed: 01/26/2023]
Affiliation(s)
- Guizhen Li
- School of Chemistry and Chemical Engineering Linyi University Linyi Shandong 276005 P. R. China
- Department of Chemistry and Chemical Engineering Education and Research Center for Smart Energy and Materials, Inha University Incheon 402‐701 Korea
| | - Kyung Ho Row
- Department of Chemistry and Chemical Engineering Education and Research Center for Smart Energy and Materials, Inha University Incheon 402‐701 Korea
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Arabi M, Ostovan A, Bagheri AR, Guo X, Wang L, Li J, Wang X, Li B, Chen L. Strategies of molecular imprinting-based solid-phase extraction prior to chromatographic analysis. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115923] [Citation(s) in RCA: 197] [Impact Index Per Article: 49.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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12
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Zhang M, Mei J, Lv S, Lai J, Zheng X, Yang J, Cui S. Simultaneous extraction of permethrin diastereomers and deltamethrin in environmental water samples based on aperture regulated magnetic mesoporous silica. NEW J CHEM 2020. [DOI: 10.1039/d0nj01634a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The aperture of KIT-6 can influence the recoveries of magnetic solid phase extraction.
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Affiliation(s)
- Meixing Zhang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biomedical Materials
- College of Chemistry and Materials Science
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control
- Nanjing Normal University
| | - Jie Mei
- Nanjing Normal University Taizhou College
- Taizhou
- China
| | - Siying Lv
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biomedical Materials
- College of Chemistry and Materials Science
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control
- Nanjing Normal University
| | - Jiahao Lai
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biomedical Materials
- College of Chemistry and Materials Science
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control
- Nanjing Normal University
| | - Xiaoni Zheng
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biomedical Materials
- College of Chemistry and Materials Science
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control
- Nanjing Normal University
| | - Jing Yang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biomedical Materials
- College of Chemistry and Materials Science
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control
- Nanjing Normal University
| | - Shihai Cui
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biomedical Materials
- College of Chemistry and Materials Science
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control
- Nanjing Normal University
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13
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Han X, Lu H, Gao Y, Chen X, Yang M. The role of in situ Fenton coagulation on the removal of benzoic acid. CHEMOSPHERE 2020; 238:124632. [PMID: 31472355 DOI: 10.1016/j.chemosphere.2019.124632] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 08/15/2019] [Accepted: 08/20/2019] [Indexed: 06/10/2023]
Abstract
Fenton (Fe2+ + H2O2) reagents acting to remove organic pollutants possess dual functions, including the oxidation by hydroxyl radicals and the coagulation of Fe(III). Previous papers have extensively studied the oxidation reactions by hydroxyl radicals, however, the coagulation role of Fenton for benzoic acid (BA) removal is not clear. Comparing three coagulation systems, it was found that Fenton coagulation possesses a significant advantage for the removal of BA. Through Fenton conditional experiments, results showed that with the increase of H2O2 dosage, not only was the Fenton oxidation effect improved, but the Fenton coagulation effect was also significantly enhanced. Interestingly, the flocs produced by in situ Fenton possess a better coagulation effect than an aged Fenton system when processing BA. To further explain these results, Zeta potential, Transmission electron microscope (TEM), X-ray diffraction (XRD), X-ray absorption fine structure (EXAFS) and Brunner-Emmet-Teller (BET) measurements were used for characterization, and we found that the flocs produced by Fenton possessed a smaller particle size, lower polymerization states and a larger specific surface area and pore volume, which exposed more active sites to create a better coagulation effect. Additionally, through Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS) and Gas chromatography-mass spectrometer (GC-MS), we found that in situ Fenton oxidation and coagulation have synergistic effects, and the carboxyl-containing intermediates produced by the Fenton oxidation of BA can be combined with hydroxyl active sites of the flocs produced by in situ Fenton, resulting in a better removal effect. Finally, Fenton oxidation increases oxygen/carbon (O/C) to promote Fenton coagulation, and in situ Fenton more fully utilizes the active sites on the flocs' surface.
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Affiliation(s)
- Xiaogang Han
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China; University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Hongbo Lu
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Yingxin Gao
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China; University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China; Wuhai Institute of Industrial Wastewater Treatment Technology, Wuhai, 016000, People's Republic of China.
| | - Xing Chen
- Key Lab of Aerospace Structural Parts Forming Technology and Equipment of Anhui Province, Hefei University of Technology, Hefei, 230009, People's Republic of China.
| | - Min Yang
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China; University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China.
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14
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Zhou T, Che G, Ding L, Sun D, Li Y. Recent progress of selective adsorbents: From preparation to complex sample pretreatment. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.115678] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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15
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Affiliation(s)
- Valérie Pichon
- Laboratoire des Sciences Analytiques, Bioanalytiques et Miniaturisation-UMR Chimie Biologie Innovation 8231, ESPCI Paris, CNRS , PSL* Research University , 10 rue Vauquelin , 75005 Paris , France.,Sorbonne Université , 75005 Paris , France
| | - Nathalie Delaunay
- Laboratoire des Sciences Analytiques, Bioanalytiques et Miniaturisation-UMR Chimie Biologie Innovation 8231, ESPCI Paris, CNRS , PSL* Research University , 10 rue Vauquelin , 75005 Paris , France
| | - Audrey Combès
- Laboratoire des Sciences Analytiques, Bioanalytiques et Miniaturisation-UMR Chimie Biologie Innovation 8231, ESPCI Paris, CNRS , PSL* Research University , 10 rue Vauquelin , 75005 Paris , France
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16
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Hydrophilic Molecularly Imprinted Chitosan Based on Deep Eutectic Solvents for the Enrichment of Gallic Acid in Red Ginseng Tea. Polymers (Basel) 2019; 11:polym11091434. [PMID: 31480529 PMCID: PMC6780181 DOI: 10.3390/polym11091434] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/20/2019] [Accepted: 08/30/2019] [Indexed: 12/11/2022] Open
Abstract
Hydrophilic molecularly imprinted chitosan (HMICS) were synthesized based on hydrophilic deep eutectic solvents (DESs) and the DESs was used as both a template and functional monomer for the enrichment of gallic acid (GA) from red ginseng tea using a solid phase microextraction (SPME) method. Using the response surface methodology (RSM) strategy, the optimal extraction amount (8.57 mg·g−1) was found to be an extraction time of 30 min, a solid to liquid ratio of 20 mg·mL−1, and five adsorption/desorption cycles. Compared to traditional methods, the produced HMICS-SPME exhibited the advantages of simplicity of operation, higher recovery and selectivity, improved analytical characteristics and reduced sample and reagent consumption, and it is expected to promote the rapid development and wide applications of molecular imprinting.
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17
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Wang Z, Long R, Peng M, Li T, Shi S. Molecularly Imprinted Polymers-Coated CdTe Quantum Dots for Highly Sensitive and Selective Fluorescent Determination of Ferulic Acid. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2019; 2019:1505878. [PMID: 31360577 PMCID: PMC6644248 DOI: 10.1155/2019/1505878] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 06/09/2019] [Indexed: 06/10/2023]
Abstract
Ferulic acid (FA), an important phenolic acid, is widely distributed in higher plants and presents many pharmacological effects. Therefore, sensitive determination of FA in complex matrix is necessary. Molecularly imprinted polymers-coated CdTe quantum dots (CdTe-QDs@MIPs) exhibited incomparable advantages because of their combination of excellent selectivity of MIPs and high sensitivity of QDs. Here, a fluorescent probe based on CdTe-QDs@MIPs was successfully fabricated for selective and sensitive determination of FA. MIPs shell was obtained by the reverse microemulsion method using FA, 3-(aminopropyl) triethoxysilane (APTES), and tetraethyl orthosilicate (TEOS), as template, functional monomer, and crosslinker. In optimal conditions, the fluorescence CdTe-QDs@MIPs sensor exhibited fast response (within only 3 min), high sensitivity (limit of detection, LOD at 0.85 μg/l), excellent linear ranges (2-100 μg/l) with a correlation coefficient of 0.9996, and distinguished selectivity for FA. Satisfactory recoveries from 91.8% to 110.3% were achieved with precisions below 6.6% for FA analysis in real pineapple juice and apple juice by developed CdTe-QDs@MIPs. The fluorescence results coincided well with those obtained by high-performance liquid chromatography (HPLC). It could be concluded that the resultant CdTe-QDs@MIPs offered a new way for rapid and sensitive analysis of FA in the complex matrix.
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Affiliation(s)
- Zhihong Wang
- Guangdong Provincial Public Laboratory of Analysis and Testing Technology, Guangdong Institute of Analysis, Guangzhou 510070, China
| | - Ruiqing Long
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, Central South University, Changsha 410083, China
| | - Mijun Peng
- Guangdong Provincial Public Laboratory of Analysis and Testing Technology, Guangdong Institute of Analysis, Guangzhou 510070, China
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Te Li
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Shuyun Shi
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, Central South University, Changsha 410083, China
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Cai T, Ma M, Liu H, Li J, Hou J, Gong B. Preparation of monodisperse magnetic surface molecularly imprinted polymers for selective recognition of lincomycin hydrochloride in milk. J LIQ CHROMATOGR R T 2019. [DOI: 10.1080/10826076.2019.1625372] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Tianpei Cai
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, China
| | - Meihua Ma
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, China
| | - Huachun Liu
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, China
| | - Jianmin Li
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, China
| | - Jiao Hou
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, China
| | - Bolin Gong
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, China
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19
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Zhou T, Ding L, Che G, Jiang W, Sang L. Recent advances and trends of molecularly imprinted polymers for specific recognition in aqueous matrix: Preparation and application in sample pretreatment. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.02.028] [Citation(s) in RCA: 102] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Long R, Li T, Wu L, Shi S. Synthesis of CdTe Quantum Dots-based Imprinting Fluorescent Nanosensor for Highly Specific and Sensitive Determination of Caffeic Acid in Apple Juices. EFOOD 2019. [DOI: 10.2991/efood.k.190802.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
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