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Yang L, Li P, Bai L, Cao J, Yan H. Innovative hierarchical porous hydrophilic molecularly imprinted resin for high-throughput detection of perfluorocarboxylic acids in milk using 96-well plate SPE-LC-MS/MS. JOURNAL OF HAZARDOUS MATERIALS 2024; 480:135989. [PMID: 39357359 DOI: 10.1016/j.jhazmat.2024.135989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2024] [Revised: 09/16/2024] [Accepted: 09/26/2024] [Indexed: 10/04/2024]
Abstract
The accumulation of perfluorocarboxylic acids (PFCAs) in environment and foods represents a significant threat to public health due to the long-term ingestion of contaminated food. This study introduces a novel adsorbent, the hierarchical porous hydrophilic molecularly imprinted resin (HPHMIR), which was synthesized by integrating molecular imprinting techniques with hydrophilic resins. The HPHMIR, characterized by its extensive mesoporous structure (average pore width ∼9.71 nm) and favorable imprinting factors (2.6-5.0), facilitates the effective adsorption of PFCAs from complex matrices through multiple interaction mechanisms, including hydrogen bonding and electrostatic interactions. This innovative material was employed in a 96-well plate format for solid-phase extraction (SPE), and combined with LC-MS/MS, a high-throughput method for the determination of PFCAs in milk was developed. The proposed method demonstrated exceptional performance, including excellent linearity (0.48-240 ng mL-1; r ≥ 0.9986), low detection limits (0.04-0.11 ng mL-1), high precision (relative standard deviation ≤ 9.9 %), and satisfactory recovery (75.7-118.1 %). These results highlight the efficacy of the method in extracting trace levels of PFCAs from complicated sample matrices, presenting a promising alternative for monitoring PFCA contamination and advancing public health standards.
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Affiliation(s)
- Lansen Yang
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, College of Chemistry and Materials Science, Hebei University, Baoding 071002, China; Hebei Key Laboratory of Public Health Safety, College of Pharmaceutical Sciences, College of Public Health, School of Life Science, Hebei University, Baoding 071002, China
| | - Pengfei Li
- Hebei Key Laboratory of Public Health Safety, College of Pharmaceutical Sciences, College of Public Health, School of Life Science, Hebei University, Baoding 071002, China
| | - Ligai Bai
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, College of Chemistry and Materials Science, Hebei University, Baoding 071002, China
| | - Jiankun Cao
- Hebei Key Laboratory of Public Health Safety, College of Pharmaceutical Sciences, College of Public Health, School of Life Science, Hebei University, Baoding 071002, China
| | - Hongyuan Yan
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, College of Chemistry and Materials Science, Hebei University, Baoding 071002, China; Hebei Key Laboratory of Public Health Safety, College of Pharmaceutical Sciences, College of Public Health, School of Life Science, Hebei University, Baoding 071002, China.
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Vrobel O, Tarkowski P. Can plant hormonomics be built on simple analysis? A review. PLANT METHODS 2023; 19:107. [PMID: 37833752 PMCID: PMC10576392 DOI: 10.1186/s13007-023-01090-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 10/08/2023] [Indexed: 10/15/2023]
Abstract
The field of plant hormonomics focuses on the qualitative and quantitative analysis of the hormone complement in plant samples, akin to other omics sciences. Plant hormones, alongside primary and secondary metabolites, govern vital processes throughout a plant's lifecycle. While active hormones have received significant attention, studying all related compounds provides valuable insights into internal processes. Conventional single-class plant hormone analysis employs thorough sample purification, short analysis and triple quadrupole tandem mass spectrometry. Conversely, comprehensive hormonomics analysis necessitates minimal purification, robust and efficient separation and better-performing mass spectrometry instruments. This review summarizes the current status of plant hormone analysis methods, focusing on sample preparation, advances in chromatographic separation and mass spectrometric detection, including a discussion on internal standard selection and the potential of derivatization. Moreover, current approaches for assessing the spatiotemporal distribution are evaluated. The review touches on the legitimacy of the term plant hormonomics by exploring the current status of methods and outlining possible future trends.
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Affiliation(s)
- Ondřej Vrobel
- Department of Biochemistry, Faculty of Science, Palacky University, Olomouc, Czech Republic
- Czech Advanced Technology and Research Institute, Palacky University, Olomouc, Czech Republic
- Department of Genetic Resources for Vegetables, Medicinal and Special Plants, Crop Research Institute, Olomouc, Czech Republic
| | - Petr Tarkowski
- Czech Advanced Technology and Research Institute, Palacky University, Olomouc, Czech Republic.
- Department of Genetic Resources for Vegetables, Medicinal and Special Plants, Crop Research Institute, Olomouc, Czech Republic.
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3
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Dual-template hydrophilic imprinted resin as an adsorbent for highly selective simultaneous extraction and determination of multiple trace plant growth regulators in red wine samples. Food Chem 2023; 411:135471. [PMID: 36669342 DOI: 10.1016/j.foodchem.2023.135471] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 12/21/2022] [Accepted: 01/09/2023] [Indexed: 01/12/2023]
Abstract
In recent years, numerous plant growth regulators have been found in foods and have a toxicity to human health, so its simultaneous multiple monitoring is urgently. For the first time, a rapid, accurate, and high-selective method was established to extract and determine multiple plant growth regulators simultaneously in red wines using a new dual-template hydrophilic molecularly imprinted resin (DHMIR) as an adsorbent of pipette tip solid-phase extraction coupled with HPLC. The as-prepared DHMIR combined the advantages of the hydrophilicity of hydrophilic resin and multi-imprinted recognition of dual-template molecular imprinting, overcoming the poor imprinted recognition ability of traditional imprinting materials in water and low extraction efficiency to multiple targets. Under the optimized conditions, the proposed method exhibited high sensitivity (2.29-3.94 ng mL-1) and recoveries (80.9-109.0 %) using only 15 mg DHMIR. This study provides an effective strategy for rapid, accurate, low-cost, and high-selective determination of the multiple analytes in food samples.
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Zhang X, Gao J, Wei T, Wu D, Shen J, Wei Y, Wang C. Polymer brush grafted immobilized metal ion affinity adsorbent based on polydopamine/polyethyleneimine-coated magnetic graphene oxide for selective enrichment of cytokinins in plants. Mikrochim Acta 2023; 190:191. [PMID: 37099040 DOI: 10.1007/s00604-023-05776-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 03/31/2023] [Indexed: 04/27/2023]
Abstract
An immobilized metal affinity (IMAC) adsorbent was prepared for selective enrichment of adenine type CKs, via grafting polymer chain pendant with iminodiacetic acid (IDA) from polydopamine (PDA)/polyethyleneimine (PEI)-coated magnetic graphene oxide (magGO) via surface-initiated-atom transfer radical polymerization (SI-ATRP). The prepared IMAC sorbent exhibited remarkable adsorption performances and good selectivity for adenine-type CKs and was utilized as a sorbent of magnetic solid-phase extraction (MSPE) for effective enrichment of four adenine-type CKs in bean sprouts. Under the optimized extraction conditions, an analytical method for four adenine type CKs in bean sprouts was established by combining the MSPE combined with ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). The recoveries of the analytes were between 80.4 ± 1.9% and 114.6 ± 1.5% (n = 3). The limits of detection (LODs) range from 0.63 to 2.30 pg⋅mL-1. The relative standard deviations of intra-day and inter-day were less than 12.6%. The established method was successfully applied to the selective extraction and sensitive detection of trace adenine-type CKs in plant samples.
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Affiliation(s)
- Xiaoxia Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, 1 Xue Fu Avenue, Chang'an District, Xi'an, 710127, China
| | - Jingnan Gao
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, 1 Xue Fu Avenue, Chang'an District, Xi'an, 710127, China
| | - Tong Wei
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, 1 Xue Fu Avenue, Chang'an District, Xi'an, 710127, China
| | - Dan Wu
- Sunresin New Materials Co., Ltd., Xi'an, People's Republic of China
| | - Jiwei Shen
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, 1 Xue Fu Avenue, Chang'an District, Xi'an, 710127, China
| | - Yinmao Wei
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, 1 Xue Fu Avenue, Chang'an District, Xi'an, 710127, China
| | - Chaozhan Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, 1 Xue Fu Avenue, Chang'an District, Xi'an, 710127, China.
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Li Y, Li Y, Ding Z, Wan D, Gao Z, Sun Y, Liu Y. Synthesis of MRGO@ZIF-7-Based Molecular Imprinted Polymer by Surface Polymerization for the Fast and Selective Removal of Phenolic Endocrine-Disrupting Chemicals from Aqueous Environments. Processes (Basel) 2023. [DOI: 10.3390/pr11041000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023] Open
Abstract
In this study, Zn(NO3)2·6H2O was selected as the metal source, and ZIF-7-modified magnetic graphene-based matrix materials (MRGO@ZIF-7) were prepared by in situ growth. ZIF-7 modified magnetic graphene-based molecular imprinting complexes (MRGO@ZIF7-MIP) were successfully synthesized by a surface molecular imprinting technique using bisphenol A (BPA) as the template molecule. The obtained experimental materials were characterized by X-ray diffraction (XRD), Brunner–Emmet–Teller (BET) analysis, scanning electron microscopy (SEM), transmission electron microscopy (TEM), vibrating sample magnetometry (VSM), and X-ray photoelectron spectroscopy (XPS). The proper adsorption and selective recognition ability of the MRGO@ZIF7-MIP were studied by an equilibrium adsorption method. The obtained MRGO@ZIF7-MIP showed significant molecular recognition of bisphenol A (BPA) and good selectivity and reproducibility for BPA in different aqueous environments such as drinking water, river water, and lake water. These properties make this material potentially applicable for the efficient removal of phenolic endocrine disruptors in real water environments.
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Yan L, Wang Y, Li G, Sun D, Li H, Liu C, Zhou T, Che G, You C. Preparation of Magnetic Superhydrophilic Imprinted Nanocomposite Resin and its Application in the Extraction of Chlorophenols in Water. ChemistrySelect 2023. [DOI: 10.1002/slct.202204495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Affiliation(s)
- Li Yan
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of chemistry Jilin Normal University Siping 136000 P.R. China
| | - Yanbo Wang
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of chemistry Jilin Normal University Siping 136000 P.R. China
| | - Guijie Li
- Jilin province product quality supervision and inspection institute Changchun 13010 P.R. China
| | - Dongshu Sun
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of Engineering Jilin Normal University Siping 136000 P.R. China
| | - Hongji Li
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of Engineering Jilin Normal University Siping 136000 P.R. China
| | - Chunbo Liu
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of Engineering Jilin Normal University Siping 136000 P.R. China
| | - Tianyu Zhou
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of Engineering Jilin Normal University Siping 136000 P.R. China
| | - Guangbo Che
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of Engineering Jilin Normal University Siping 136000 P.R. China
- College of chemistry Baicheng Normal University Baicheng 137018 P.R. China
| | - Chuanxue You
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of chemistry Jilin Normal University Siping 136000 P.R. China
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7
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Dai Y, Wu N, Liu LE, Yu F, Wu Y, Jian N. Simple and efficient solid phase extraction based on molecularly imprinted resorcinol–formaldehyde resin nanofibers for determination of trace sulfonamides in animal-origin foods. Food Chem 2023; 404:134671. [DOI: 10.1016/j.foodchem.2022.134671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 10/11/2022] [Accepted: 10/15/2022] [Indexed: 11/07/2022]
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8
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Miniaturized extraction and determination of swelling agents in fruits and vegetables based on deep eutectic solvent-molecularly imprinted hydrophilic resin. Food Chem 2023; 398:133920. [DOI: 10.1016/j.foodchem.2022.133920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 08/05/2022] [Accepted: 08/08/2022] [Indexed: 11/23/2022]
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Application of Molecularly Imprinted Electrochemical Biomimetic Sensors for Detecting Small Molecule Food Contaminants. Polymers (Basel) 2022; 15:polym15010187. [PMID: 36616536 PMCID: PMC9824611 DOI: 10.3390/polym15010187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/26/2022] [Accepted: 12/27/2022] [Indexed: 01/04/2023] Open
Abstract
Environmental chemical contaminants in food seriously impact human health and food safety. Successful detection methods can effectively monitor the potential risk of emerging chemical contaminants. Among them, molecularly imprinted polymers (MIPs) based on electrochemical biomimetic sensors overcome many drawbacks of conventional detection methods and offer opportunities to detect contaminants with simple equipment in an efficient, sensitive, and low-cost manner. We searched eligible papers through the Web of Science (2000-2022) and PubMed databases. Then, we introduced the sensing mechanism of MIPs, outlined the sample preparation methods, and summarized the MIP characterization and performance. The classification of electrochemistry, as well as its advantages and disadvantages, are also discussed. Furthermore, the representative application of MIP-based electrochemical biomimetic sensors for detecting small molecular chemical contaminants, such as antibiotics, pesticides, toxins, food additives, illegal additions, organic pollutants, and heavy metal ions in food, is demonstrated. Finally, the conclusions and future perspectives are summarized and discussed.
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10
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Ilbeigi V, Valadbeigi Y, Slováková L, Matejčík Š. Solid Phase Microextraction-Multicapillary Column-Ion Mobility Spectrometry (SPME-MCC-IMS) for Detection of Methyl Salicylate in Tomato Leaves. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:15593-15601. [PMID: 36459422 DOI: 10.1021/acs.jafc.2c05570] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Methyl salicylate (MeSA) is a plant-signaling molecule that plays an essential role in the regulation of plant responses to biotic and abiotic pathogens. In this work, solid phase microextraction (SPME) and a multicapillary column (MCC) are coupled to ion mobility spectrometry (IMS) to detect MeSA in tomato leaves. The SPME-MCC-IMS method provides two-dimensional (2D) separation by both MCC and IMS, based on the retention and drift times. The effect of the IMS polarity on the separation efficiency of MCCs was also investigated. In the positive polarity, ionization of MeSA resulted in [MeSA + H]+ formation while, in the negative, deprotonated ions, [MeSA - H]-, and the O2- adduct ion, [MeSA + O2]-, were formed. In the real sample analysis, the negative polarity operation resulted in the suppression of many matrix molecules and thus in the reduction of interferences. Four different SPME fibers were used for head space analysis, and four MCC columns were investigated. In the negative polarity, complete separation was achieved for all of the MCCs columns. The limits of detection (LODs) of 0.1 μg mL-1 and linear range of 0.25-12 μg mL-1 were obtained for the measurement of MeSA in a standard solution (H2O/CH3OH, 50:50) by the SPME-IMS method with a 5 min extraction time using an SPME with a PDMS fiber, in the negative mode of IMS. The MeSA contents of fresh tomato leaves were determined as 1.5-9.8 μg g-1, 24-96 h after inoculation by tomato mosaic ringspot virus (ToRSV).
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Affiliation(s)
- Vahideh Ilbeigi
- Department of Experimental Physics, Comenius University, Mlynská dolina F2, 842 48 Bratislava, Slovakia
| | - Younes Valadbeigi
- Department of Chemistry, Faculty of Science, Imam Khomeini International University, Qazvin 34148-96818, Iran
| | - L'udmila Slováková
- Department of Plant Physiology, Faculty of Natural Sciences, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava 4, Slovakia
| | - Štefan Matejčík
- Department of Experimental Physics, Comenius University, Mlynská dolina F2, 842 48 Bratislava, Slovakia
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11
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Selective enrichment and determination of polychlorinated biphenyls in milk by solid-phase microextraction using molecularly imprinted phenolic resin fiber coating. Anal Chim Acta 2022; 1227:340328. [DOI: 10.1016/j.aca.2022.340328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 08/19/2022] [Accepted: 08/24/2022] [Indexed: 11/30/2022]
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12
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Effects of Typical Antimicrobials on Growth Performance, Morphology and Antimicrobial Residues of Mung Bean Sprouts. Antibiotics (Basel) 2022; 11:antibiotics11060807. [PMID: 35740213 PMCID: PMC9219749 DOI: 10.3390/antibiotics11060807] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 06/13/2022] [Accepted: 06/13/2022] [Indexed: 01/11/2023] Open
Abstract
Antimicrobials may be used to inhibit the growth of micro-organisms in the cultivation of mung bean sprouts, but the effects on mung bean sprouts are unclear. In the present study, the growth performance, morphology, antimicrobial effect and antimicrobial residues of mung bean sprouts cultivated in typical antimicrobial solutions were investigated. A screening of antimicrobial residues in thick-bud and rootless mung bean sprouts from local markets showed that the positive ratios of chloramphenicol, enrofloxacin, and furazolidone were 2.78%, 22.22%, and 13.89%, respectively. The cultivating experiment indicated that the production of mung bean sprouts in antimicrobial groups was significantly reduced over 96 h (p < 0.05). The bud and root length of mung bean sprouts in enrofloxacin, olaquindox, doxycycline and furazolidone groups were significantly shortened (p < 0.05), which cultivated thick-bud and rootless mung bean sprouts similar to the 6-benzyl-adenine group. Furthermore, linear regression analysis showed average optical density of 450 nm in circulating water and average production had no obvious correlation in mung bean sprouts (p > 0.05). Antimicrobial residues were found in both mung bean sprouts and circulating water. These novel findings reveal that the antimicrobials could cultivate thick-bud and rootless mung bean sprouts due to their toxicity. This study also proposed a new question regarding the abuse of antimicrobials in fast-growing vegetables, which could be a potential food safety issue.
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Zhang Q, Chen Y, Yang Y, Liu Y, Wen M, Wang X. Fabrication of magnetic ordered mesoporous carbon for quantitative analysis of acidic phytohormones in mushroom samples prior to their determination by ultra-high-performance liquid chromatography–tandem mass spectrometry. ACTA CHROMATOGR 2022. [DOI: 10.1556/1326.2022.01022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Abstract
A novel method was established for analysing trace four acidic phytohormones, namely, indole-3-acetic acid, 3-indolebutyric acid, abscisic acid, and 1-naphthylacetic acid, using magnetic ordered mesoporous carbon (MOMC). MOMC was facilely synthesised via self-assembly strategy with a direct carbonisation process. The properties of MOMC were characterised using various instruments. MOMC exhibited excellent adsorption capacity towards the analytes. Various critical parameters which may influence the enrichment efficiency were evaluated, including amount of MOMC, extraction conditions, and desorption conditions. An efficient method based on MOMC magnetic solid-phase extraction coupled with ultra-high-performance liquid chromatography–tandem mass spectrometry (UHPLC–MS/MS) was developed to analyse the trace four acidic phytohormones, with good correlation coefficients (R
2 = 0.9965–0.9998) and low limits of detection (0.13–9.7 ng L−1, S/N = 3). Trace acidic phytohormones in Agaricus bisporus and Hypsizygus marmoreus samples were determined with satisfactory recoveries (91.8–108%) and reproducibility (2.6–6.3%). The features indicated that MOMC provides an efficient platform for mushroom sampling; the developed method is convenient, promising, and sensitive for the detection of trace phytohormones in complicated mushroom samples.
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Affiliation(s)
- Qianchun Zhang
- School of Biology and Chemistry, Key Laboratory for Analytical Science of Food and Environment Pollution of Qian Xi Nan, Xingyi Normal University for Nationalities, Xingyi, 562400, PR China
| | - Yan Chen
- School of Biology and Chemistry, Key Laboratory for Analytical Science of Food and Environment Pollution of Qian Xi Nan, Xingyi Normal University for Nationalities, Xingyi, 562400, PR China
| | - Yanqun Yang
- School of Biology and Chemistry, Key Laboratory for Analytical Science of Food and Environment Pollution of Qian Xi Nan, Xingyi Normal University for Nationalities, Xingyi, 562400, PR China
- Guangxi Colleges and Universities Key Laboratory of Food Safety and Detection, College of Chemistry and Bioengineering, Guilin University of Technology, Guangxi, 541004, PR China
| | - Yulan Liu
- School of Biology and Chemistry, Key Laboratory for Analytical Science of Food and Environment Pollution of Qian Xi Nan, Xingyi Normal University for Nationalities, Xingyi, 562400, PR China
| | - Ming Wen
- School of Biology and Chemistry, Key Laboratory for Analytical Science of Food and Environment Pollution of Qian Xi Nan, Xingyi Normal University for Nationalities, Xingyi, 562400, PR China
| | - Xingyi Wang
- School of Biology and Chemistry, Key Laboratory for Analytical Science of Food and Environment Pollution of Qian Xi Nan, Xingyi Normal University for Nationalities, Xingyi, 562400, PR China
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Wan N, Chang Q, Hou F, Li J, Zang X, Zhang S, Wang C, Wang Z. Efficient solid-phase microextraction of twelve halogens-containing environmental hormones from fruits and vegetables by triazine-based conjugated microporous polymer coating. Anal Chim Acta 2022; 1195:339458. [DOI: 10.1016/j.aca.2022.339458] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/03/2022] [Accepted: 01/06/2022] [Indexed: 12/13/2022]
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15
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LIN S, DING Q, ZHANG W, ZHANG L, LU Q. [Novel adsorption material for solid phase extraction in sample pretreatment of plant hormones]. Se Pu 2021; 39:1281-1290. [PMID: 34811999 PMCID: PMC9404001 DOI: 10.3724/sp.j.1123.2021.03045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Indexed: 11/29/2022] Open
Abstract
Plant hormones (PHs) are of significance in plant growth, as they regulate the various processes related to plant growth, development, and resistance. Sensitive and precise quantitative analysis of PHs is a bottleneck in plant science research. Currently, liquid chromatography-tandem mass spectrometry is used for the accurate and efficient detection of PHs. Sample pretreatment is an indispensable step in the chromatography-mass spectrometry analysis of PHs because it directly affects the sensitivity and accuracy of subsequent detection methods. Among various pretreatment methods for PHs, solid phase extraction (SPE) is the most widely used. Various new types of SPE, such as dispersive SPE, magnetic SPE, and solid phase microextraction, have been developed by modifying the extraction cartridge. The choice of adsorption material is the key factor in the abovementioned SPE methods, which has a decisive effect on the extraction, purification, and enrichment effects of the target substance in the sample pretreatment process. Carbon-based materials, including carbon nanotubes, graphene, carbon and nitrogen compounds, as well as organic frameworks, including metal organic frameworks and covalent organic materials, are suitable adsorption materials because of their designable structure, large specific surface area, and good stability. Molecularly imprinted polymers and supramolecular compounds show specific molecular recognition based on host-guest interactions, which can significantly improve the selectivity of sample pretreatment methods. In this paper, SPE-related technology and the abovementioned types of functionalized adsorption materials in the pretreatment of PHs prevalent in the past five years have been reviewed. The related development trends are also summarized.
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Ma W, Row KH. Hydrophilic deep eutectic solvents modified phenolic resin as tailored adsorbent for the extraction and determination of levofloxacin and ciprofloxacin from milk. Anal Bioanal Chem 2021; 413:4329-4339. [PMID: 34041574 DOI: 10.1007/s00216-021-03389-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/19/2021] [Accepted: 05/03/2021] [Indexed: 12/19/2022]
Abstract
A reliable and efficient method for the simultaneous extraction and determination of antibiotics of ciprofloxacin and levofloxacin from milk was developed with solid phase extraction based on tailored adsorbent materials of deep eutectic solvents modified phenolic resin (DES-R-SPE). Six types of polyhydric alcohol-based hydrophilic DESs were prepared to modify the phenolic resin with the compositions of 3-aminophenol as a functional monomer, glyoxylic acid as a crosslinker, and polyethylene glycol 6000 as a porogen. And the prepared DES-Rs showed better extraction capacities for the target analytes than the unmodified phenolic resin because of more hydrogen bonding and electrostatic interactions supplied by DESs. The choline chloride-glycerol-based resin (DES1-R) with the highest adsorption amounts was selected and the adsorption behavior of it was studied with static adsorption and the dynamic adsorption performance; the adsorption process followed Freundlich isotherm (R2 ≥ 0.9337) and pseudo-second-order (R2 ≥ 0.9951). The present DES1-R-SPE method showed good linear range from 0.5 to100 μg mL-1 (R2 ≥ 0.9998), good recoveries of spiked milk samples (LEV, 96.7%; CIP, 101.5%), and satisfied repeatability for intra-day and inter-day (LEV, RSD≤5.4%; CIP, RSD≤4.6%).
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Affiliation(s)
- Wanwan Ma
- Department of Chemistry and Chemical Engineering, Inha University, Incheon, 402-701, South Korea
| | - Kyung Ho Row
- Department of Chemistry and Chemical Engineering, Inha University, Incheon, 402-701, South Korea.
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The Importance of Developing Electrochemical Sensors Based on Molecularly Imprinted Polymers for a Rapid Detection of Antioxidants. Antioxidants (Basel) 2021; 10:antiox10030382. [PMID: 33806514 PMCID: PMC8001462 DOI: 10.3390/antiox10030382] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/22/2021] [Accepted: 02/28/2021] [Indexed: 12/30/2022] Open
Abstract
This review aims to pin out the importance of developing a technique for rapid detection of antioxidants, based on molecular imprinting techniques. It covers three major areas that have made great progress over the years in the field of research, namely: antioxidants characterization, molecular imprinting and electrochemistry, alone or combined. It also reveals the importance of bringing these three areas together for a good evaluation of antioxidants in a simple or complex medium, based on selectivity and specificity. Although numerous studies have associated antioxidants with molecular imprinting, or antioxidants with electrochemistry, but even electrochemistry with molecular imprinting to valorize different compounds, the growing prominence of antioxidants in the food, medical, and paramedical sectors deserves to combine the three areas, which may lead to innovative industrial applications with satisfactory results for both manufacturers and consumers.
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Hu T, Chen R, Wang Q, He C, Liu S. Recent advances and applications of molecularly imprinted polymers in solid-phase extraction for real sample analysis. J Sep Sci 2021; 44:274-309. [PMID: 33236831 DOI: 10.1002/jssc.202000832] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 11/18/2020] [Accepted: 11/18/2020] [Indexed: 12/12/2022]
Abstract
Sample pretreatment is essential for the analysis of complicated real samples due to their complex matrices and low analyte concentrations. Among all sample pretreatment methods, solid-phase extraction is arguably the most frequently used one. However, the majority of available solid-phase extraction adsorbents suffer from limited selectivity. Molecularly imprinted polymers are a type of tailor-made artificial antibodies and receptors with specific recognition sites for target molecules. Using molecularly imprinted polymers instead of conventional adsorbents can greatly improve the selectivity of solid-phase extraction, and therefore molecularly imprinted polymer-based solid-phase extraction has been widely applied to separation, clean up and/or preconcentration of target analytes in various kinds of real samples. In this article, after a brief introduction, the recent developments and applications of molecularly imprinted polymer-based solid-phase extraction for determination of different analytes in complicated real samples during the 2015-2020 are reviewed systematically, including the solid-phase extraction modes, molecularly imprinted adsorbent types and their preparations, and the practical applications of solid-phase extraction to various real samples (environmental, food, biological, and pharmaceutical samples). Finally, the challenges and opportunities of using molecularly imprinted polymer-based solid-phase extraction for real sample analysis are discussed.
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Affiliation(s)
- Tianliang Hu
- Hubei Key Laboratory of Biomass Fibers and Eco-dyeing and Finishing, School of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan, P. R. China
| | - Run Chen
- Hubei Key Laboratory of Biomass Fibers and Eco-dyeing and Finishing, School of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan, P. R. China
| | - Qiang Wang
- Hubei Key Laboratory of Biomass Fibers and Eco-dyeing and Finishing, School of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan, P. R. China
| | - Chiyang He
- Hubei Key Laboratory of Biomass Fibers and Eco-dyeing and Finishing, School of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan, P. R. China
| | - Shaorong Liu
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma, USA
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Wu X, Si S, Tan W, Lu X, Ye F, Zhao S. Preparation of magnetic mesoporous metal-phenolic coordination spheres for extraction of crystal violet and leuco-metabolites in fish. J Chromatogr A 2020; 1636:461776. [PMID: 33340749 DOI: 10.1016/j.chroma.2020.461776] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 11/26/2020] [Indexed: 02/07/2023]
Abstract
To address the undesirably low porosity of phenolic resin, a new material termed magnetic mesoporous metal-phenolic coordination spheres (Fe3O4@Co-TA) was synthesized by chelating tannic acid (TA) with metal ions. Fe3O4@Co-TA was characterized by transmission electron microscopy, scanning electron microscopy, hysteresis loop (B-H) analysis, Fourier-transform infrared spectroscopy, and N2 adsorption-desorption. The results indicated that the new material comprises mesopores (2 nm and 3 nm) and exhibits a good magnetic response (44 emu/g). Combined with high-performance liquid chromatography (HPLC), a novel method for the detection of crystal violet (CV) and leucocrystal violet (LCV) by magnetic solid-phase extraction was established. Under the optimal extraction conditions, the linear ranges of CV and LCV detection were 0.2‒60 μg/L and 0.04‒40 μg/L, the detection limits were 0.04 μg/L and 0.008 μg/L, and the enrichment factors were 435 and 460, respectively. Fe3O4@Co-TA was reused ten times without significant reduction of the extraction ability. This method was successfully used for the detection of CV and LCV in fish samples, providing an effective technique for food safety monitoring and quality control.
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Affiliation(s)
- Xiaohai Wu
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, PR China
| | - Siyu Si
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, PR China
| | - Wei Tan
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, PR China; Department of Food and Chemical Engineering, Liuzhou Institute of Technology, Liuzhou 545616, PR China
| | - Xin Lu
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, PR China.
| | - Fanggui Ye
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, PR China.
| | - Shulin Zhao
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, PR China
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Wang M, Han Y, Qiao F, Yan H. Improved Solid-Phase Extraction for Simple, Sensitive, and Efficient Determination of Trace Plant Growth Regulators in Cherry Tomatoes by High-Performance Liquid Chromatography. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:8447-8454. [PMID: 32659084 DOI: 10.1021/acs.jafc.0c02636] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The overuse of plant growth regulators (PGRs) in agricultural products has gradually increased in recent years, resulting in hazardous effects on food safety and human health. For the first time, a sensitive, accurate, and low-cost analytical method involving improved solid-phase extraction coupled with high-performance liquid chromatography was developed to determine trace PGRs in cherry tomatoes. Thereafter, the extraction mechanism and conditions were elucidated. Under optimized conditions, good linearity (0.04-400 ng g-1; r ≥ 0.9996) and lower limits of detection (0.005-0.006 ng g-1) were observed. The recoveries were 81.4-90.1%, with relative standard deviations of ≤6.7% (three levels). Finally, the developed method was successfully used to detect trace PGRs in cherry tomatoes. The results illustrated that this sensitive method shows great potential for application to monitor trace PGRs in agricultural products and, thus, provide technical support for food safety and public health.
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Affiliation(s)
- Mingwei Wang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, College of Chemistry and Environmental Science, Hebei University, Baoding, Hebei 071002, People's Republic of China
| | - Yehong Han
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, College of Chemistry and Environmental Science, Hebei University, Baoding, Hebei 071002, People's Republic of China
| | - Fengxia Qiao
- Department of Biochemistry, Baoding University, Baoding, Hebei 071002, People's Republic of China
| | - Hongyuan Yan
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, College of Chemistry and Environmental Science, Hebei University, Baoding, Hebei 071002, People's Republic of China
- Key Laboratory of Public Health Safety of Hebei Province, College of Public Health, Institute of Life Science and Green Development, Hebei University, Baoding, Hebei 071002, People's Republic of China
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21
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He J, Lu Y, Zhao T, Li Y. Preparation of polydopamine-coated, graphene oxide/Fe 3 O 4 - imprinted nanoparticles for selective removal of sulfonylurea herbicides in cereals. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:3822-3831. [PMID: 32277468 DOI: 10.1002/jsfa.10419] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 03/29/2020] [Accepted: 04/10/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Sulfonylureas are potentially toxic broad-spectrum herbicides. They pose a persistent threat to food safety and the environment. It is therefore important to develop a rapid and efficient pretreatment and detection method to prevent their harmful effects on human health. RESULTS In the present work, a novel and highly selective absorbent for chlorosulfuron (CS) detection was prepared by the simple self-polymerization of dopamine on the surface of magnetic graphene oxide using a CS template. The resultant imprinted nanoparticles (MGO@PDA-MIPs) were characterized by transmission electron microscopy, X-ray diffraction, vibrating-sample magnetometry, thermogravimetric analysis, and nitrogen adsorption-desorption. The adsorption experiments demonstrated that the MGO@PDA-MIPs have excellent selectivity with regard to CS, with a high imprinting factor of 3.41 compared with a non-imprinted polymer. The nanoparticles rapidly achieve adsorption equilibrium and efficient desorption because there are numerous binding sites on the thin polydopamine imprinting layer. Under optimized conditions, the MGO@PDA-MIPs can be used to detect sulfonylurea residues in cereal samples by magnetic solid phase extraction coupled with high performance liquid chromatography (HPLC). The nanoparticles have a satisfactory recovery rate (80.65-101.01%) with a relative standard deviation (RSD) of less than 7.15%, and a limit of detection with regard to CS of 1.61 μg kg-1 (S/N = 3). They can also be re-used at least seven times. CONCLUSION The MGO@PDA-MIPs have outstanding recognition performance, and can be prepared by a facile, single-step, and environmentally friendly process. They therefore have excellent potential for the recognition and separation of trace sulfonylurea herbicides in complex matrices. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Jinxing He
- School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
| | - Yue Lu
- School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
| | - Tao Zhao
- School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
| | - Yingqiu Li
- School of Food Science and Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
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22
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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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23
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Li P, Lu Y, Cao J, Li M, Yang C, Yan H. Imidazolium ionic-liquid-modified phenolic resin for solid-phase extraction of thidiazuron and forchlorfenuron from cucumbers. J Chromatogr A 2020; 1623:461192. [DOI: 10.1016/j.chroma.2020.461192] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 04/30/2020] [Accepted: 04/30/2020] [Indexed: 12/15/2022]
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24
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Qin P, Zhu W, Han L, Zhang X, Zhao B, Zhang X, Lu M. Monodispersed mesoporous SiO 2@metal-organic framework (MSN@MIL-101(Fe)) composites as sorbent for extraction and preconcentration of phytohormones prior to HPLC-DAD analysis. Mikrochim Acta 2020; 187:367. [PMID: 32494885 DOI: 10.1007/s00604-020-04326-3] [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: 01/16/2020] [Accepted: 05/15/2020] [Indexed: 12/11/2022]
Abstract
The monodispersed mesoporous SiO2@metal-organic framework (MSN@MIL-101(Fe)) composites were prepared by grafting MSN-NH2 onto MIL-101(Fe) particles with a solvothermal method. The adsorption ability of the composites was greatly improved compared to that of pristine MSNs or MIL-101(Fe) for phytohormones (Phys). The MSN@MIL-101(Fe) composites were characterized by scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction, energy dispersive spectrometer, and mapping analysis. Using MSN@MIL-101(Fe) composites as sorbent, a dispersive solid-phase extraction procedure (dSPE) was developed to extract three endogenous Phys (abscisic acid (ABA), indole-3-aceticacid (IAA), and indole-3-butyric acid (IBA)) and two exogenous Phys (1-naphthylacetic acid (1-NAA) and 2-naphthylacetic acid (2-NAA)) prior to HPLC-DAD analysis. The experimental parameters including sample volume, sorbent amount, adsorption time, adsorption pH, desorption time, and desorption solvent on extraction efficiency were optimized and evaluated. Under optimized conditions, the working range of 0.08 to 0.45 ng mL-1 with enrichment factors from 144 to 207 were achieved. The linear range is 0.75-200 ng mL-1 for IAA, 0.20-200 ng mL-1 for ABA, and 1.0-200 ng mL-1 for IBA, 1-NAA, and 2-NAA. With MSN@MIL-101(Fe) as sorbent for extraction of Phys and determination by HPLC-DAD, two endogenous Phys (IAA and ABA) were detected from mung bean sprouts which were made in a laboratory, and the results were further confirmed by high-resolution mass spectrometry. The composites can be applied to extract other small molecules, which have similar chemical structures with Phys in biological, environmental, and food samples. Graphical abstract Schematic presentation of a dispersive solid-phase extraction using monodispersed mesoporous SiO2@metal-organic framework composites (MSNs@MIL-101(Fe)) as the sorbent for extraction, clean-up, and preconcentration of phytohormones in mung bean sprouts prior to HPLC-DAD analysis.
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Affiliation(s)
- Peige Qin
- Henan International Joint Laboratory of Medicinal Plants Utilization, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, Henan, China
| | - Wenli Zhu
- Henan International Joint Laboratory of Medicinal Plants Utilization, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, Henan, China
| | - Lizhen Han
- Henan International Joint Laboratory of Medicinal Plants Utilization, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, Henan, China
| | - Xiaowan Zhang
- Henan International Joint Laboratory of Medicinal Plants Utilization, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, Henan, China
| | - Bing Zhao
- Center for Multi-Omics Research, State Key Laboratory of Cotton Biology, Institute of Plant Stress Biology, Henan University, Kaifeng, 475004, Henan, China
| | - Xuebin Zhang
- Center for Multi-Omics Research, State Key Laboratory of Cotton Biology, Institute of Plant Stress Biology, Henan University, Kaifeng, 475004, Henan, China
| | - Minghua Lu
- Henan International Joint Laboratory of Medicinal Plants Utilization, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, Henan, China.
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25
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Lu Y, Lü L, He J, Zhao T. Preparation of hydrophilic molecularly imprinted solid‐phase microextraction fiber for the selective removal and extraction of trace tetracyclines residues in animal derived foods. J Sep Sci 2020; 43:2172-2179. [DOI: 10.1002/jssc.201901285] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 02/26/2020] [Accepted: 02/27/2020] [Indexed: 12/16/2022]
Affiliation(s)
- Yue Lu
- School of Food Science and EngineeringShandong Academy of Sciences, Qilu University of Technology Jinan P. R. China
| | - Lei Lü
- School of Food Science and EngineeringShandong Academy of Sciences, Qilu University of Technology Jinan P. R. China
| | - Jinxing He
- School of Food Science and EngineeringShandong Academy of Sciences, Qilu University of Technology Jinan P. R. China
| | - Tao Zhao
- School of Food Science and EngineeringShandong Academy of Sciences, Qilu University of Technology Jinan P. R. China
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26
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Hou S, Sun X, Chen L, Yin Y, Ji W. Amino-modified Scholl-coupling mesoporous polymer for online solid-phase extraction of plant growth regulators from bean sprouts. Food Chem 2020; 321:126702. [PMID: 32240917 DOI: 10.1016/j.foodchem.2020.126702] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 03/25/2020] [Accepted: 03/26/2020] [Indexed: 12/11/2022]
Abstract
A new amino-modified Scholl-coupling mesoporous polymer (NH2@SMPA)-online solid-phase extraction method, coupled with high-performance liquid chromatography (online SPE-HPLC) was established for the analysis of six plant growth regulators (PGRs) in bean sprouts. NH2@SMPA was synthesized by acid-catalyzed deacetylation of acetylamino-Scholl-coupling mesoporous polymer (SMPA). The diversity of functional groups, such as aromatic, acetylamino, and NH2, was conducive to multiple binding interactions between NH2@SMPA and PGRs. NH2@SMPA exhibited superior extraction capability for PGRs, compared with SMPA and commercial adsorbents. The extraction conditions, including loading solvent, pH of loading solution, eluting solvent, and flow rates of loading and elution, were optimized. Under the optimized conditions, wide linear ranges (0.01-500 μg kg-1) and low detection limits (2.34-20.2 ng kg-1) were obtained. The recoveries were satisfactory, i.e., 86.0% to 109% with relative standard deviations ≤9.8% (n = 3). Finally, the online SPE-HPLC method was successfully used for determination of PGRs in bean sprouts.
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Affiliation(s)
- Shenghuai Hou
- Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Xiaowei Sun
- Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Lizong Chen
- Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Yanzhen Yin
- Qinzhou Key Laboratory of Biowaste Resources for Selenium-enriched Functional Utilization, College of Petroleum and Chemical Engineering, Beibu Gulf University, Qinzhou 535011, China
| | - Wenhua Ji
- Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; School of Pharmaceutical Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China.
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27
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Li G, Row KH. Deep eutectic solvents skeleton typed molecularly imprinted chitosan microsphere coated magnetic graphene oxide for solid‐phase microextraction of chlorophenols from environmental water. J Sep Sci 2020; 43:1063-1070. [DOI: 10.1002/jssc.201901159] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/16/2019] [Accepted: 12/18/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Guizhen Li
- Department of Chemistry and Chemical EngineeringInha University Incheon Korea
| | - Kyung Ho Row
- Department of Chemistry and Chemical EngineeringInha University Incheon Korea
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28
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Si R, Han Y, Wu D, Qiao F, Bai L, Wang Z, Yan H. Ionic liquid-organic-functionalized ordered mesoporous silica-integrated dispersive solid-phase extraction for determination of plant growth regulators in fresh Panax ginseng. Talanta 2020; 207:120247. [DOI: 10.1016/j.talanta.2019.120247] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 08/05/2019] [Accepted: 08/08/2019] [Indexed: 02/08/2023]
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29
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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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30
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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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31
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Wei X, Wang Y, Chen J, Ni R, Meng J, Liu Z, Xu F, Zhou Y. Ionic liquids skeleton typed magnetic core-shell molecularly imprinted polymers for the specific recognition of lysozyme. Anal Chim Acta 2019; 1081:81-92. [PMID: 31446968 DOI: 10.1016/j.aca.2019.07.025] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Revised: 07/11/2019] [Accepted: 07/13/2019] [Indexed: 12/12/2022]
Abstract
The novel ionic liquids skeleton typed magnetic core-shell molecularly imprinted polymers (Fe3O4-COOH@IL-MIP) were firstly constructed with 1-vinyl-3-aminoformylmethyl imidazolium chloride ionic liquid ([VAFMIM]Cl-IL) modified magnetic particles as the substrate materials, [VAFMIM]Cl-IL as functional monomer, 1,6-hexanediyl-3,3'-bis-1-vinylimidazolium dichloride ionic liquid as cross-linker and Lysozyme (Lys) as template protein via surface-imprinting technique. The structure of Fe3O4-COOH@IL-MIP were confirmed by transmission and scanning electron microscopy, dynamic light scattering, thermo-gravimetric analysis, fourier transform infrared spectrometry and X-ray diffraction. The adsorption mechanism was discussed from the perspective of amino acid residues of Lys. The maximum adsorption capacity of MIPs was 166.36 mg g-1 and imprinting factor was 2.67. The competitive adsorption experiments demonstrated the favorable recognition ability of MIPs toward Lys. Reusability studies indicated MIPs can be reused ten times without obvious loss of rebinding ability. The Lys conformation maintained intact after elution and the elution rate was as high as 74%. The adsorption experiment of egg white manifested that MIPs can effectively separate Lys in practical samples. Only ILs and Fe3O4 were utilized to fabricate MIPs, this strategy realized the goal of energy and cost saving while achieving simple synthesis of imprinted materials, and is expected to provide a new feasible idea to exploit synthetic methods for protein-MIPs.
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Affiliation(s)
- Xiaoxiao Wei
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China
| | - Yuzhi Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China.
| | - Jing Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China
| | - Rui Ni
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China
| | - Jiaojiao Meng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China
| | - Ziwei Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China
| | - Fangting Xu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China
| | - Yigang Zhou
- Department of Microbiology, College of Basic Medicine, Central South University, Changsha, 410083, PR China
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32
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Tang W, Row KH. Fabrication of Water-Compatible Molecularly Imprinted Resin in a Hydrophilic Deep Eutectic Solvent for the Determination and Purification of Quinolones in Wastewaters. Polymers (Basel) 2019; 11:polym11050871. [PMID: 31086066 PMCID: PMC6571955 DOI: 10.3390/polym11050871] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 05/07/2019] [Accepted: 05/10/2019] [Indexed: 02/07/2023] Open
Abstract
A novel water-compatible molecularly imprinted resin was prepared in a green solvent deep eutectic solvent (DES). Resorcinol and melamine, as functional monomers with an abundant hydrophilic group, such as –OH, –NH2 and –NH–, were introduced into the molecularly imprinted resin (MIR). Three DESs (choline chloride-ethylene glycol, tetramethylammonium bromide-ethylene glycol and tetramethylammonium chloride-ethylene glycol) were used to synthesize the molecularly imprinted resin and the resulting deep eutectic solvent-based molecularly imprinted resins were characterized by particle size analysis, elemental analysis, scanning electron microscopy, Fourier transform infrared spectroscopy and thermogravimetric analysis. The resulting deep eutectic solvent-based molecularly imprinted resins were then applied to the adsorption of quinolones (ofloxacin) in water. The adsorption process of deep eutectic solvent-based molecularly imprinted resin followed the static adsorption model, Langmuir isotherm (R2 ≥ 0.9618) and kinetic model pseudo-second-order (R2 > 0.9814). The highest theory adsorption ability of the three kinds of deep eutectic solvent-based molecularly imprinted resins was more than 23.79 mg/g. The choline chloride-ethylene glycol-based MIR was applied to solid-phase extraction for the determination and purification of quinolones (e.g., ciprofloxacin and ofloxacin). The detection limit of deep eutectic solvent-based molecularly imprinted resin-solid-phase extraction method was less than 0.018 mg/L. The recoveries of the deep eutectic solvent-based molecularly imprinted resin-solid-phase extraction method at three spiked levels were 88.7–94.5%, with a relative standard deviation of ≤4.8%. The novel deep eutectic solvent-based molecularly imprinted resin-solid-phase extraction method is a simple, selective and accurate pre-treatment method and can be used to determine the quinolones in environmental water.
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Affiliation(s)
- Weiyang Tang
- Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-701, Korea.
| | - Kyung Ho Row
- Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-701, Korea.
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