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Rabea D, Ryad L, Shehata MR, Khalaf-Alla PA. Nitroimidazole residues in Egyptian honey using UPLC-Orbitrap-HRMS. FOOD ADDITIVES & CONTAMINANTS. PART B, SURVEILLANCE 2024:1-13. [PMID: 39328001 DOI: 10.1080/19393210.2024.2405998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Accepted: 09/15/2024] [Indexed: 09/28/2024]
Abstract
Nitroimidazoles are well-known antibacterial and antiprotozoal agents, effective against various infections. However, they may also exhibit genotoxic, carcinogenic and mutagenic effects. This study aimed to develop an analytical method to quantify nitroimidazole residues and their metabolites in honey using Ultra Performance Liquid Chromatography coupled with Orbitrap High-Resolution Mass Spectrometry (UPLC-Orbitrap-HRMS) and validate it according to Commission Implementing Regulation (EU) 2021/808. The method demonstrated limits of detection (LODs) ranging from 0.01 to 0.17 µg L-1 and limits of quantification (LOQs) from 0.020 to 0.29 µg L-1. Recovery rates ranged from 79.8% to 104%, with relative standard deviations (RSDs) between 4.2% and 19.6%. Analysis of 96 honey samples revealed nitroimidazole residues in 18.8% of them. These findings could enhance more effectively the Egyptian monitoring programs for these compounds in honey as to improve food safety.
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Affiliation(s)
- Dina Rabea
- Agricultural Research Centre, Ministry of Agriculture and Land Reclamation, Central Laboratory of Residue Analysis of Pesticides and Heavy Metals in Foods, Giza, Egypt
| | - Lamia Ryad
- Agricultural Research Centre, Ministry of Agriculture and Land Reclamation, Central Laboratory of Residue Analysis of Pesticides and Heavy Metals in Foods, Giza, Egypt
| | - Mohamed R Shehata
- Department of Chemistry, Faculty of Science, University of Cairo, Giza, Egypt
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2
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Hu Q, Sun J, Yu H, Feng R, Zhang J, Zhou H, Ji S. Simultaneous Screening of 172 Veterinary Drugs by Modified QuEChERS-LC-MS/MS in TCM Galli Gigerii Endothelium Corneum. J Chromatogr Sci 2024; 62:439-443. [PMID: 38576204 DOI: 10.1093/chromsci/bmae014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 01/07/2024] [Indexed: 04/06/2024]
Abstract
An analytical method was developed for the screening of 172 veterinary drugs in traditional Chinese medicine Galli Gigerii Endothelium Corneum by high-performance liquid chromatography tandem mass spectrometry. The samples were pretreated by a modified QuEChERS method. A Zorbax Eclipse plus C18 column (1.8 μm, 3.0 × 150 mm2, Agilent) was used for the separation of analytes by gradient elution. All analytes were detected by electrospray ionization mass spectrometry with multiple reaction monitoring mode. Good linearity with R ≥ 0.99 was exhibited for all analytes within the respective range. The recoveries of all monitored analytes ranged from 55.4 to 127.6% at three spiked levels (limit of quantitation-LOQ, 2-fold LOQ, 10-fold LOQ), with relative standard deviations <17.8%. The estimated LOQ levels were 0.2-20 μg/kg. The application of this method provides a reference for the safety control of traditional Chinese medicines.
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Affiliation(s)
- Qing Hu
- China State Institute of Pharmaceutical Industry, Shanghai 201203, China
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, Shanghai 201203, China
| | - Jian Sun
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, Shanghai 201203, China
| | - Hong Yu
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, Shanghai 201203, China
| | - Rui Feng
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, Shanghai 201203, China
| | - Jingxian Zhang
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, Shanghai 201203, China
| | - Heng Zhou
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, Shanghai 201203, China
| | - Shen Ji
- China State Institute of Pharmaceutical Industry, Shanghai 201203, China
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, Shanghai 201203, China
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3
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Chen H, Guo J, Wang Y, Dong W, Zhao Y, Sun L. Bio-Inspired Imprinting Materials for Biomedical Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2202038. [PMID: 35908804 PMCID: PMC9534966 DOI: 10.1002/advs.202202038] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 06/08/2022] [Indexed: 05/27/2023]
Abstract
Inspired by the recognition mechanism of biological molecules, molecular imprinting techniques (MITs) are imparted with numerous merits like excellent stability, recognition specificity, adsorption properties, and easy synthesis processes, and thus broaden the avenues for convenient fabrication protocol of bio-inspired molecularly imprinted polymers (MIPs) with desirable functions to satisfy the extensive demands of biomedical applications. Herein, the recent research progress made with respect to bio-inspired imprinting materials is discussed in this review. First, the underlying mechanism and basic components of a typical molecular imprinting procedure are briefly explored. Then, emphasis is put on the introduction of diverse MITs and novel bio-inspired imprinting materials. Following these two sections, practical applications of MIPs in the field of biomedical science are focused on. Last but not least, perspectives on the remaining challenges and future development of bio-inspired imprinting materials are presented.
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Affiliation(s)
- Hanxu Chen
- Department of Rheumatology and ImmunologyNanjing Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096P. R. China
| | - Jiahui Guo
- Department of Rheumatology and ImmunologyNanjing Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096P. R. China
| | - Yu Wang
- Department of Rheumatology and ImmunologyNanjing Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096P. R. China
| | - Weiliang Dong
- State Key Laboratory of Materials‐Oriented Chemical EngineeringCollege of Biotechnology and Pharmaceutical EngineeringNanjing Tech UniversityNanjing211800P. R. China
| | - Yuanjin Zhao
- Department of Rheumatology and ImmunologyNanjing Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096P. R. China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health)Wenzhou InstituteUniversity of Chinese Academy of SciencesWenzhouZhejiang325001P. R. China
| | - Lingyun Sun
- Department of Rheumatology and ImmunologyNanjing Drum Tower HospitalSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096P. R. China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health)Wenzhou InstituteUniversity of Chinese Academy of SciencesWenzhouZhejiang325001P. R. China
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4
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An Y, Meng X, Li S, Wang Q, Liu W, Hao L, Yang X, Wang C, Wang Z, Wu Q. Facile fabrication of tyrosine-functionalized hypercrosslinked polymer for sensitive determination of nitroimidazole antibiotics in honey and chicken muscle. Food Chem 2022; 389:133121. [DOI: 10.1016/j.foodchem.2022.133121] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 04/21/2022] [Accepted: 04/27/2022] [Indexed: 01/14/2023]
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5
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Three-dimensional acanthosphere-like hierarchical Co@graphitic carbon for dispersive magnetic solid-phase extraction of nitroimidazole. J Chromatogr A 2022; 1675:463163. [PMID: 35623194 DOI: 10.1016/j.chroma.2022.463163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 05/17/2022] [Accepted: 05/18/2022] [Indexed: 11/22/2022]
Abstract
Herein, a magnetic three-dimensional acanthosphere-like hierarchical Co@graphitic carbon (3D Co@GC) is introduced as an efficient adsorbent for extraction of three nitroimidazoles (NMZs: metronidazole (MNZ), ornidazole (ONZ) and tinidazole (TNZ)) from environmental water and food samples. The proposed 3D Co@GC was synthesized by a simple template-free method, which consisted of plentiful freely arranged one-dimensional nanowires. The adsorption properties of 3D Co@GC for three NMZs were investigated systematically by adsorption kinetic and isotherm studies. 3D Co@GC exhibits good adsorption capacity and fast adsorption kinetics toward three NMZs by virtue of its unique hierarchical structure. In addition, it was also found that a bit of methanol can effectively elute the adsorbed NMZs, eliminating the need for other dangerous strong acid or base solutions. Thus, 3D Co@GC as adsorbent to extraction three trace NMZs followed by direct quantification detection of targets with high-performance liquid chromatography with ultraviolet-visible detector (HPLC-UV) was developed. The parameters of dispersed magnetic solid-phase extraction (d-MSPE) were optimized by univariate and multivariate methods (Box-Behnken design). This established method revealed wide linear range and low limits of detection. Furthermore, the satisfactory recoveries of NMZs (86.7-106.7%) were acquired in spiked river water, honey, milk, and muscle samples. This study might provide a potential strategy for the efficient extraction and sensitive analysis of trace NMZs in river water, honey, milk, and muscle samples.
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6
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Cengiz N, Guclu G, Kelebek H, Capanoglu E, Selli S. Application of Molecularly Imprinted Polymers for the Detection of Volatile and Off-Odor Compounds in Food Matrices. ACS OMEGA 2022; 7:15258-15266. [PMID: 35571784 PMCID: PMC9096822 DOI: 10.1021/acsomega.1c07288] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Accepted: 04/13/2022] [Indexed: 05/08/2023]
Abstract
Molecularly imprinted polymers (MIPs) are synthetic receptors having specific cavities intended for a template molecule with a retention mechanism that depends on molecular recognition of the targeted constituent. They were initially established for the detection of minor molecules including drugs, pesticides, or pollutants. One of the most remarkable areas where MIPs have potential utilization is in food analysis, especially in terms of volatile compounds which are found in very low concentrations in foods but play a crucial role for consumer preference and acceptance. In recent years, these polymers have been used extensively for sensing volatile organic and off-odor compounds in terms of food quality for selective high-extraction purposes. This review first summarizes the basic principles and production processes of MIPs. Second, their recent applications in the separation, identification, and quantification of volatile and off-odor compounds in food samples are elucidated.
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Affiliation(s)
- Nurten Cengiz
- Department
of Food Engineering, Faculty of Engineering, Adana Alparslan Turkes Science and Technology University, 01250 Adana, Turkey
| | - Gamze Guclu
- Department
of Food Engineering, Faculty of Agriculture, Cukurova University, 01130 Adana, Turkey
| | - Hasim Kelebek
- Department
of Food Engineering, Faculty of Engineering, Adana Alparslan Turkes Science and Technology University, 01250 Adana, Turkey
| | - Esra Capanoglu
- Department
of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, 34469 Maslak, Istanbul, Turkey
| | - Serkan Selli
- Department
of Food Engineering, Faculty of Agriculture, Cukurova University, 01130 Adana, Turkey
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7
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Bimetallic nitrogen-doped porous graphene for highly efficient magnetic solid phase extraction of 5-nitroimidazoles in environmental water. Anal Chim Acta 2022; 1203:339698. [DOI: 10.1016/j.aca.2022.339698] [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: 03/03/2022] [Accepted: 03/06/2022] [Indexed: 01/17/2023]
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8
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Hong Z, Dong Y, Wang R, Wang G. Evaluation of a porous imine-based covalent organic framework for solid-phase extraction of nitroimidazoles. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:627-634. [PMID: 35072180 DOI: 10.1039/d1ay02171k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Covalent organic framework materials (COFs), a kind of porous organic material, have excellent potential application in the field of sample pretreatment due to their high surface areas and thermal stability. In this work, a porous imine-based COF, named BP-COF, was fabricated by a solvothermal method using 2,2'-bipyridine-5,5'-dicarboxaldehyde and 1,3,5-tris(4-aminophenyl) benzene as monomers. After a series of structural characterization studies, the BP-COF was used as a solid-phase extraction (SPE) adsorbent for the extraction and enrichment of nitroimidazoles and their metabolites. Several parameters were investigated during the extraction process, including the sorbent dosage, loading pH value, the washing and elution solvent, and the breakthrough volume. By coupling with UPLC-QTOF-MS/MS, a sensitive and facile method was established for the quantitation analysis of NDZs. Under the optimum conditions, a low detection limit (0.015-0.12 ng mL-1) and wide linearity (0.2-500 ng mL-1) with higher R2 were obtained. In addition, the developed method was applied for the determination of NDZs in four water samples with recoveries in the range of 71.7-115.9% and RSDs less than 8.3%. The results indicated that the BP-COF shows great potential for the enrichment of NDZs in water samples.
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Affiliation(s)
- Zhikai Hong
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China.
| | - Yingjiao Dong
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China.
| | - Ruijie Wang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China.
| | - Guanhua Wang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, P. R. China.
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9
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Bustamante-Rangel M, Rodríguez-Gonzalo E, Milagros Delgado-Zamareño M. Evaluation of the selectivity of molecularly imprinted polymer cartridges for nitroimidazoles. Application to the simultaneous extraction of nitroimidazoles and benzimidazoles from samples of animal origin. Microchem J 2022. [DOI: 10.1016/j.microc.2021.107000] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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10
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Plotnikova K, Dubenska L, Rydchuk P, Pysarevska S, Rydchuk M, Ivakh S, Yanovych D, Zasadna Z, Plotycya S. Voltammetric determination of 5-nitroimidazole derivatives in honey and HPLC-MS/MS confirmation. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2021. [DOI: 10.1007/s11694-021-01214-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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11
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Multiresidue analysis of 15 antibiotics in honey using modified QuEChERS and high performance liquid chromatography-tandem mass spectrometry. J Food Compost Anal 2021. [DOI: 10.1016/j.jfca.2021.104120] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Synthesis of magnetic molecular imprinted polymers for solid-phase extraction coupled with gas chromatography-mass spectrometry for the determination of type Ⅱ pyrethroid residues in human plasma. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106232] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Scripcă LA, Amariei S. The Influence of Chemical Contaminants on the Physicochemical Properties of Unifloral and Multifloral Honey. Foods 2021; 10:foods10051039. [PMID: 34068696 PMCID: PMC8150977 DOI: 10.3390/foods10051039] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/04/2021] [Accepted: 05/06/2021] [Indexed: 12/17/2022] Open
Abstract
The aim of this study was to evaluate and compare the effect of antibiotic and pesticide residues on the physicochemical properties of unifloral and multifloral honey. The mineral elements content of honey was analyzed and correlated with antibiotic and pesticide residues, and a positive correlation was found between manganese and neonicotinoids. Potassium was found to be the most abundant mineral compound. Correlations were found between mineral content, color, and the content of antibiotic and pesticide residues of honey. In meadow honey, residues of antibiotics and pesticides were undetectable. In some of the other types of honey, the maximum residue limits regulated by European legislation were exceeded. Endosulfan residue was found in mint and rapeseed, honey with 0.42 and 5.14 ng/g, respectively. Neonicotinoids were found in 27% of the analyzed honey samples. Chloramphenicol was identified only in rapeseed honey, with concentrations ranging from 0.2 ng/g to 0.8 ng/g. Nitrofurans were found in 14%, and nitroimidazoles were found in 6% of the analyzed samples. According to EU legislation that is in force, the use of antibiotics in beekeeping is not allowed. The MRLs for neonicotinoids are 50 ng/g, and for coumaphos, the maximum limit is 100 ng/g. For the other pesticide residues, the maximum limit is 10 ng/g. The results of statistical analysis obtained using principal component analysis (PCA) showed a major difference in the levels of contamination of raspberry and meadow honey and the other types of honey.
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14
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Simsir EA, Erdemir S, Tabakci M, Tabakci B. Nano-scale selective and sensitive optical sensor for metronidazole based on fluorescence quenching: 1H-Phenanthro[9,10-d]imidazolyl-calix[4]arene fluorescent probe. Anal Chim Acta 2021; 1162:338494. [PMID: 33926701 DOI: 10.1016/j.aca.2021.338494] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 03/11/2021] [Accepted: 04/01/2021] [Indexed: 11/18/2022]
Abstract
It is crucial to determine and control the metronidazole (MET) ingredient in food and pharmaceuticals for human health and food safety. Even though many sensors have been previously reported to detect MET, there is still a need for a highly selective and sensitive, easy, fast, cost-effective sensor in this area. Herein, we report a fluorescent calix[4]arene derivative (PIMC) for highly selective and sensitive and facile and rapid MET detection based on fluorescence (FL) quenching. The highest FL quenching occurs when PIMC is exposed to MET solution at 400 nm (λex = 340). Owing to the quenching efficacy of MET linearly up to 5.5 × 104 nM was obtained a detection limit of 2.44 nM. Besides, interferences of other pharmaceuticals and ions on probe performance were investigated. The FL probe was successful in MET detection without the assistance of any separation techniques in a pharmaceutical sample (tablet) with an acceptable recovery of 101.3%. The applicability of the current probe as a paper-based sensor to MET detection has been successfully tested. As a result, the proposed probe presents a fast and suitable strategy to sensitive and selective detect MET and proves a good potential for practical applications, especially pharmaceutical preparations.
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Affiliation(s)
| | - Serkan Erdemir
- Selçuk University, Department of Chemistry, 42150, Konya, Turkey
| | - Mustafa Tabakci
- Konya Technical University, Department of Chemical Engineering, 42150, Konya, Turkey
| | - Begum Tabakci
- Selçuk University, Department of Chemistry, 42150, Konya, Turkey.
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15
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Hongtao C, Jiaqi C, Dong Y, Miao Y, Qing L, Jingru Z. Preparation and application of methimazole molecularly imprinted polymer based on silver-loaded dendritic fiber-type silica. RSC Adv 2021; 11:13446-13457. [PMID: 35423888 PMCID: PMC8697624 DOI: 10.1039/d1ra00958c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 04/01/2021] [Indexed: 11/21/2022] Open
Abstract
Dendritic fiber-type silica (KCC-1) has attracted the attention of researchers because of its unique three-dimensional radial structure and high specific surface area. Its highly modified surface allows it to be used in catalysis, adsorption, biomedicine, and other fields. Nano-precious metals (NPs) have several excellent chemical properties, but their stability limits their applications. Dendritic fibrous silica (Ag NPs/KCC-1) loaded with silver nanoparticles was prepared via the microemulsion method using Ag NPs/KCC-1 as the carrier, methimazole as the template molecule, and a surface imprinting method to prepare sulfhydryl imidazole molecularly imprinted polymer. By characterizing the polymer, it is determined that the polymer has a regular morphology and large specific surface area. The obtained experimental results show that the polymer has a high adsorption capacity (10.35 mg g-1) and good selectivity. It is used as a solid-phase extraction filler and, when combined with high-performance liquid chromatography, to detect methimazole in chicken tissue. The recovery rate reaches 87.5-94.4%.
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Affiliation(s)
- Chu Hongtao
- College of Chemistry and Chemical Engineering, Qiqihaer University Qiqihaer 161006 China
| | - Chen Jiaqi
- College of Chemistry and Chemical Engineering, Qiqihaer University Qiqihaer 161006 China
| | - Yao Dong
- College of Chemistry and Chemical Engineering, Qiqihaer University Qiqihaer 161006 China
| | - Yu Miao
- College of Chemistry and Chemical Engineering, Qiqihaer University Qiqihaer 161006 China
| | - Lin Qing
- College of Chemistry and Chemical Engineering, Qiqihaer University Qiqihaer 161006 China
| | - Zhang Jingru
- College of Chemistry and Chemical Engineering, Qiqihaer University Qiqihaer 161006 China
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16
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Duo H, Wang S, Lu X, Wang L, Liang X, Guo Y. Magnetic mesoporous carbon nanosheets derived from two-dimensional bimetallic metal-organic frameworks for magnetic solid-phase extraction of nitroimidazole antibiotics. J Chromatogr A 2021; 1645:462074. [PMID: 33848656 DOI: 10.1016/j.chroma.2021.462074] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 03/10/2021] [Accepted: 03/15/2021] [Indexed: 01/04/2023]
Abstract
We prepared two-dimensional (2D) bimetallic metal-organic frameworks (Ni-ZIF-8) nanosheets by a simple solvent-free method at room temperature. The morphology and composition of Ni-ZIF-8 can be controlled through adding different amounts of Ni. And then, the 2D magnetic mesoporous nanosheets (Ni/ZnO@C) were synthesized by directly pyrolyzing Ni-ZIF-8 under argon atmosphere and explored as magnetic solid phase extraction (MSPE) adsorbents for the determination of nitroimidazole antibiotics (NIABs). Magnetic Ni nanoparticles embedded in carbon nanosheets uniformly resulted in high magnetization saturation of Ni/ZnO@C for easy separation. The Ni/ZnO@C can form hydrogen bond and π-π interaction with three NIABs resulting from their rich N-H containing imidazole, π-electron. Due to the high specific surface area and high mass transfer rate of 2D Ni/ZnO@C, the materials showed satisfactory adsorption capacity and rapid adsorption kinetics for NIABs. A rapid and effective method of Ni/ZnO@C-MSPE combined with high-performance liquid chromatography was proposed for the determination of NIABs. Several main parameters affecting MSPE were investigated. Under the optimal conditions, wide linear was achieved ranging from 0.1 to 500 µg⋅L-1 with a low detection limit of 0.025-0.05 µg⋅L-1. The established method has been successfully applied to analyze NIABs from environmental water samples with satisfactory recovery from 74.33 to 105.71%.
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Affiliation(s)
- Huixiao Duo
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000, People's Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Shuai Wang
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000, People's Republic of China
| | - Xiaofeng Lu
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000, People's Republic of China
| | - Licheng Wang
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000, People's Republic of China
| | - Xiaojing Liang
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000, People's Republic of China.
| | - Yong Guo
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000, People's Republic of China.
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17
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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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Parisa Jaoshani, Ameneh Porgham Daryasari. Synthesis of Molecularly Imprinted Polymer and Its Application as Solid-Phase Extraction Sorbent for Ceftazidime Determination in Human Serum and Urine Samples. JOURNAL OF ANALYTICAL CHEMISTRY 2020. [DOI: 10.1134/s1061934820090129] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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19
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Zhao M, Li X, Zhang Y, Wang Y, Wang B, Zheng L, Zhang D, Zhuang S. Rapid quantitative detection of chloramphenicol in milk by microfluidic immunoassay. Food Chem 2020; 339:127857. [PMID: 32866699 DOI: 10.1016/j.foodchem.2020.127857] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/22/2020] [Accepted: 08/15/2020] [Indexed: 12/26/2022]
Abstract
Chloramphenicol (CAP) is a toxic substance for human health, and detection of CAP residues in milk is necessary. However, most of the traditional CAP detection methods including high performance liquid chromatography-tandem mass spectrometry (HPLC-MS) and enzyme-linked immunosorbent assay (ELISA) are time-consuming and complicated. Herein, an automated microfluidics system for CAP detection in milk was developed. The residual CAP of multiple milk samples was quantitatively detected via competitive immunoassay in a single microfluidic chip simultaneously and automatically, and the reliability of the method was confirmed by flow cytometry. Completion of the detection by the system required less than 20 min and the cost for the detection of ten samples was about US$2.5. The limit of detection was 0.05 µg L-1, and the recovery rate of CAP in milk ranged from 91.3% to 105.5%. The microfluidic system developed in this study exhibited considerable potential in the point-of-care testing (POCT) of CAP in milk.
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Affiliation(s)
- Mantong Zhao
- Engineering Research Centre of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Xiaolong Li
- Engineering Research Centre of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yule Zhang
- Engineering Research Centre of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yuwen Wang
- Engineering Research Centre of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Bo Wang
- Engineering Research Centre of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Lulu Zheng
- Engineering Research Centre of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China.
| | - Dawei Zhang
- Engineering Research Centre of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China; Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China.
| | - Songlin Zhuang
- Engineering Research Centre of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China
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20
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Diniz JA, Okumura LL, Aleixo H, Gurgel A, Silva AFS. A voltammetric screening method to determine ronidazole in bovine meat. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2020; 55:583-591. [PMID: 32238102 DOI: 10.1080/03601234.2020.1745523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
An original voltammetric screening method, employing glassy carbon electrode (GCE) with the differential-pulse voltammetry technique (DPV), has been developed to determine residues of the anti-parasitic agent Ronidazole (RNZ) in bovine meat. By using cyclic voltammetry (CV), it has been demonstrated that an irreversible cathodic process occurs at approximately -0.740 V (vs. Ag|AgCl, KCl 3 mol L-1) in a 0.100 mol L-1 phosphate buffer at pH 6.5 as supporting electrolyte. Furthermore, the behavior of RNZ in CV indicates the occurrence of a diffusion mass transfer process to the working electrode surface. The RNZ reduction mechanism was proposed as a 6-electron transfer, similar to Metronidazole under the same pH range. Quantification of RNZ and method validation were then carried out by DPV. The relative standard deviation (RSD) were 3.21% for intraday precision of 10 consecutive repetitions and 6.78% for interday precision after five analysis. Limits of detection and quantification were also obtained, and the values were 0.107 and 0.358 mg kg-1, respectively. The recovery percentage for three different concentrations of RNZ in the bovine meat matrix ranged between 98.1% and 100.3%. The method proved to be efficient for screening RNZ in bovine meat.
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Affiliation(s)
| | | | - Herbert Aleixo
- Department of Chemistry, Federal University of Viçosa, Viçosa, MG, Brazil
| | - Alexandre Gurgel
- Department of Chemistry, Federal University of Viçosa, Viçosa, MG, Brazil
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21
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Assessment of magnetic core-shell mesoporous molecularly imprinted polymers for selective recognition of triazoles residual levels in cucumber. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1132:121811. [PMID: 31710973 DOI: 10.1016/j.jchromb.2019.121811] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/14/2019] [Accepted: 09/18/2019] [Indexed: 11/20/2022]
Abstract
Functional magnetic nanomaterials based on molecular imprinting technique were successfully prepared on the surface of modified Fe3O4. Transmission electron microscopy (TEM), Fourier-transform infrared spectroscopy (FTIR), X-ray diffractometer, and vibrating sample magnetometry were applied for characterization of the synthesized magnetic nanoparticles. The magnetic molecularly imprinted polymers (MMIPs) exhibited satisfactory magnetic response, specific recognition, and excellent adsorption capacity toward triazoles (maximum adsorption capacity of 9202.9 μg g-1 for triadimefon). The obtained MMIPs were further used as magnetic dispersive solid-phase extraction (MDSPE) coupled with liquid chromatography-tandem mass spectrometry (LC-MS/MS) for detection of 20 triazoles in cucumber spiked at different levels. The mean recoveries were ranged from 79.9% to 110.3% and relative standard deviations (RSDs) were <11.2% (n = 5). Herein, we report a simple, rapid, environmentally friendly, and magnetic stuff recyclable approach for triazoles residual analysis in complicated agricultural products.
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22
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Wang Q, Wang C, Wu Q, Wang Z. Preparation of a Magnetic Nanoporous Polymer for the Fast and Efficient Extraction of 5-Nitroimidazoles in Milk. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:11527-11535. [PMID: 31536347 DOI: 10.1021/acs.jafc.9b03127] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A magnetic nanoporous organic polymer (M-NOP) was prepared as a new adsorbent with excellent extraction capacity and rapid adsorption kinetics for 5-nitroimidazoles (5-NDZs). Hence, a rapid and effective method was proposed for determination of 5-NDZs in milk by combining M-NOP-based magnetic solid-phase extraction with high-performance liquid chromatography. Main extraction conditions were investigated. Under optimal conditions, good linear response was achieved in a range of 2.4-100 ng mL-1 with a lower detection limit of 0.8-1.0 ng mL-1. High accuracy with a recovery of 80.0-116.0% for the fortified samples, good repeatability with relative standard deviation below 10%, and a high enrichment factor of 97-111 were obtained. The rapid adsorption of 5-NDZs on M-NOP is mainly driven by H-bonding, π-stacking, and polar interactions. Finally, the M-NOP-based method was successfully used to determine 5-NDZs in milk samples. The M-NOP is expected to present promising application in the extraction and quantitative analysis of other compounds.
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Affiliation(s)
- Qianqian Wang
- College of Science , Hebei Agricultural University , Baoding 071001 , China
| | - Chun Wang
- College of Science , Hebei Agricultural University , Baoding 071001 , China
| | - Qiuhua Wu
- College of Science , Hebei Agricultural University , Baoding 071001 , China
| | - Zhi Wang
- College of Science , Hebei Agricultural University , Baoding 071001 , China
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23
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Zhou Y, Zhu J, Yang J, Lv Y, Zhu Y, Bi W, Yang X, Chen DDY. Magnetic nanoparticles speed up mechanochemical solid phase extraction with enhanced enrichment capability for organochlorines in plants. Anal Chim Acta 2019; 1066:49-57. [DOI: 10.1016/j.aca.2019.03.049] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/18/2019] [Accepted: 03/21/2019] [Indexed: 10/27/2022]
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24
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Zhao Z, Zhu C, Guo Q, Cai Y, Zhu X, Li B. Preparation of lysozyme-imprinted nanoparticles on polydopamine-modified titanium dioxide using ionic liquid as a stabilizer. RSC Adv 2019; 9:14974-14981. [PMID: 35516334 PMCID: PMC9064239 DOI: 10.1039/c9ra00941h] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 05/06/2019] [Indexed: 12/18/2022] Open
Abstract
Molecular imprinting of proteins has evolved into an efficient approach for protein recognition and separation. However, maintaining the structural stability of proteins during the preparation process of molecularly imprinted polymers (MIPs) remains challenging. Ionic liquids (ILs), being capable of maintaining the stability of proteins, might enable effective imprinting and accurate recognition of proteins. In this study, lysozyme (Lyz)-imprinted titanium dioxide (TiO2) nanoparticles, TiO2@Lyz-MIPs, have been successfully prepared for selective recognition and separation of Lyz. This was achieved by the free radical polymerization of hydroxyethyl acrylate (HEA) and poly(ethylene glycol) dimethacrylate (PEGDMA) on polydopamine (PDA)-modified TiO2 nanoparticles using an IL, choline dihydrogen phosphate (chol dhp), as the stabilizer of Lyz. It was found that both PDA modification of TiO2 and the use of chol dhp as stabilizer improved the adsorption capacity of TiO2@Lyz-MIPs toward Lyz. When the concentration of HEA was 7 mg mL−1, the ratio of monomer to crosslinker was 20 : 1, and the concentration of chol dhp was 12.5 mg mL−1, the highest imprinting factor of 4.40 was achieved. TiO2@Lyz-MIPs exhibited relatively high adsorption capacity with the maximum adsorption capacity up to 120 mg g−1, which was more than four times higher than that of the non-imprinted polymers (NIPs) counterpart, TiO2@Lyz-NIPs. The adsorption rate of Lyz by TiO2@Lyz-MIPs was also much higher than that of TiO2@Lyz-NIPs. TiO2@Lyz-MIPs could successfully separate Lyz from diluted egg white, a complex mixture of proteins. Findings from this study indicate that effective recognition cavities toward Lyz were formed on the surface of Lyz-imprinted TiO2 nanoparticles prepared using IL as the template stabilizer. This approach may facilitate the development of MIPs for efficient protein recognition and separation. Molecular imprinting of proteins has evolved into an efficient approach for protein recognition and separation.![]()
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Affiliation(s)
- Zhongliang Zhao
- College of Chemistry, Chemical Engineering and Materials Science
- Orthopaedic Institute
- Medical College
- Soochow University
- Suzhou
| | - Caihong Zhu
- College of Chemistry, Chemical Engineering and Materials Science
- Orthopaedic Institute
- Medical College
- Soochow University
- Suzhou
| | - Qianping Guo
- College of Chemistry, Chemical Engineering and Materials Science
- Orthopaedic Institute
- Medical College
- Soochow University
- Suzhou
| | - Yan Cai
- College of Chemistry, Chemical Engineering and Materials Science
- Orthopaedic Institute
- Medical College
- Soochow University
- Suzhou
| | - Xuesong Zhu
- College of Chemistry, Chemical Engineering and Materials Science
- Orthopaedic Institute
- Medical College
- Soochow University
- Suzhou
| | - Bin Li
- College of Chemistry, Chemical Engineering and Materials Science
- Orthopaedic Institute
- Medical College
- Soochow University
- Suzhou
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25
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Antibiotic residues in honey: A review on analytical methods by liquid chromatography tandem mass spectrometry. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2018.11.015] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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26
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Li X, Ke Y, Wang Y, Wang C, Ye D, Hu X, Zhou L, Xia X. Confirmatory Analysis of Nitroimidazoles and Hydroxy Metabolites in Honey by Dispersive-Solid Phase Extraction and Ultra-High Performance Liquid Chromatography-Tandem Mass Spectrometry. Molecules 2018; 23:E3350. [PMID: 30567334 PMCID: PMC6321421 DOI: 10.3390/molecules23123350] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 12/11/2018] [Accepted: 12/15/2018] [Indexed: 11/18/2022] Open
Abstract
An ultra-high performance liquid chromatography-tandem quadrupole mass spectrometry (UHPLC-MS/MS) method was developed and validated for confirmatory analysis of four nitroimidazoles and three hydroxy metabolites in honey. Honey samples were dissolved in 2% formic acid solution and nitroimidazoles and metabolites were isolated and enriched by dispersive-solid phase extraction using mixed-mode strong cation-exchange sorbent. The determination involves separation of analytes on an UHPLC C18 column and detection by multiple reaction monitoring in positive ionization mode. The recovery of the method was ranged from 90.2 to 105.6% with inter-day relative standard deviations of less than 11.2%. The limits of detection and limits of quantification were in the ranges of 0.02⁻0.07 µg/kg and 0.05⁻0.2 µg/kg, respectively. Honey samples from the market were analyzed to demonstrate the applicability of the proposed method.
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Affiliation(s)
- Xiaowei Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Yuebin Ke
- Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China.
| | - Yingyu Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Chengfei Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Dongyang Ye
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Xue Hu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Lan Zhou
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Xi Xia
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
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27
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Chen F, Li S, Peng J, Wang X, Peng H, Chen Y, He Y. Study on simultaneous determination of three nitroimidazole residues in honey by high performance liquid chromatography–resonance Rayleigh scattering spectra. Microchem J 2018. [DOI: 10.1016/j.microc.2018.05.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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28
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Meenakshi S, Jancy Sophia S, Pandian K. High surface graphene nanoflakes as sensitive sensing platform for simultaneous electrochemical detection of metronidazole and chloramphenicol. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 90:407-419. [DOI: 10.1016/j.msec.2018.04.064] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 04/06/2018] [Accepted: 04/20/2018] [Indexed: 01/01/2023]
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29
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Development and validation of a QuEChERS method for the analysis of 5-nitroimidazole traces in infant milk-based samples by ultra-high performance liquid chromatography-tandem mass spectrometry. J Chromatogr A 2018; 1562:36-46. [DOI: 10.1016/j.chroma.2018.05.050] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 04/28/2018] [Accepted: 05/26/2018] [Indexed: 11/18/2022]
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30
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Mergola L, Orabona C, Albini E, Vasapollo G, Scorrano S, Del Sole R. Urinary l
-kynurenine quantification and selective extraction through a molecularly imprinted solid-phase extraction device. J Sep Sci 2018; 41:3204-3212. [DOI: 10.1002/jssc.201800458] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 06/12/2018] [Accepted: 06/15/2018] [Indexed: 12/27/2022]
Affiliation(s)
- Lucia Mergola
- Department of Engineering for Innovation; University of Salento; Lecce Italy
| | - Ciriana Orabona
- Section of Pharmacology, Department of Experimental Medicine; University of Perugia; Perugia Italy
| | - Elisa Albini
- Section of Pharmacology, Department of Experimental Medicine; University of Perugia; Perugia Italy
| | - Giuseppe Vasapollo
- Department of Engineering for Innovation; University of Salento; Lecce Italy
| | - Sonia Scorrano
- Department of Engineering for Innovation; University of Salento; Lecce Italy
| | - Roberta Del Sole
- Department of Engineering for Innovation; University of Salento; Lecce Italy
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31
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Surface imprinted polymers based on amino-hyperbranched magnetic nanoparticles for selective extraction and detection of chlorogenic acid in Honeysuckle tea. Talanta 2018; 181:271-277. [DOI: 10.1016/j.talanta.2018.01.037] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 01/02/2018] [Accepted: 01/15/2018] [Indexed: 11/23/2022]
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32
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Yang W, Wu X, Liu T, Wang T, Hou X. A triazine-based conjugated microporous polymer composite for magnetic solid phase extraction of 5-nitroimidazoles coupled with UPLC-MS/MS for quantification. Analyst 2018; 143:5744-5753. [DOI: 10.1039/c8an01600c] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A triazine-based conjugated microporous polymer composite for magnetic solid phase extraction of 5-nitroimidazoles coupled with UPLC-MS/MS for quantification.
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Affiliation(s)
- Wei Yang
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang
- PR China
| | - Xia Wu
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang
- PR China
| | - Tingting Liu
- School of Pharmaceutical Engineering
- Shenyang Pharmaceutical University
- Shenyang
- PR China
| | - Ting Wang
- School of Pharmaceutical Engineering
- Shenyang Pharmaceutical University
- Shenyang
- PR China
| | - Xiaohong Hou
- School of Pharmaceutical Engineering
- Shenyang Pharmaceutical University
- Shenyang
- PR China
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33
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Sheng L, Jin Y, He Y, Huang Y, Yan L, Zhao R. Well-defined magnetic surface imprinted nanoparticles for selective enrichment of 2,4-dichlorophenoxyacetic acid in real samples. Talanta 2017; 174:725-732. [DOI: 10.1016/j.talanta.2017.07.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Revised: 06/22/2017] [Accepted: 07/01/2017] [Indexed: 11/26/2022]
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34
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Raksawong P, Chullasat K, Nurerk P, Kanatharana P, Davis F, Bunkoed O. A hybrid molecularly imprinted polymer coated quantum dot nanocomposite optosensor for highly sensitive and selective determination of salbutamol in animal feeds and meat samples. Anal Bioanal Chem 2017; 409:4697-4707. [DOI: 10.1007/s00216-017-0466-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2017] [Revised: 06/05/2017] [Accepted: 06/12/2017] [Indexed: 01/02/2023]
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