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Nepfumbada C, Mthombeni NH, Sigwadi R, Ajayi RF, Feleni U, Mamba BB. Functionalities of electrochemical fluoroquinolone sensors and biosensors. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:3394-3412. [PMID: 38110684 PMCID: PMC10794289 DOI: 10.1007/s11356-023-30223-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 09/27/2023] [Indexed: 12/20/2023]
Abstract
Fluoroquinolones (FQs) are a class of broad-spectrum antimicrobial agents that are used to treat variety of infectious diseases. This class of antibiotics was being used for patients exhibiting early symptoms of a human respiratory disease known as the COVID-19 virus. As a result, this outbreak causes an increase in drug-resistant strains and environmental pollution, both of which pose serious threats to biota and human health. Thus, to ensure public health and prevent antimicrobial resistance, it is crucial to develop effective detection methods for FQs determination in water bodies even at trace levels. Due to their characteristics like specificity, selectivity, sensitivity, and low detection limits, electrochemical biosensors are promising future platforms for quick and on-site monitoring of FQs residues in a variety of samples when compared to conventional detection techniques. Despite their excellent properties, biosensor stability continues to be a problem even today. However, the integration of nanomaterials (NMs) could improve biocompatibility, stability, sensitivity, and speed of response in biosensors. This review concentrated on recent developments and contemporary methods in FQs biosensors. Furthermore, a variety of modification materials on the electrode surface are discussed. We also pay more attention to the practical applications of electrochemical biosensors for FQs detection. In addition, the existing challenges, outlook, and promising future perspectives in this field have been proposed. We hope that this review can serve as a bedrock for future researchers and provide new ideas for the development of electrochemical biosensors for antibiotics detection in the future.
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Affiliation(s)
- Collen Nepfumbada
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology (CSET), University of South Africa (UNISA), Florida Campus, Johannesburg, 1709, South Africa
| | - Nomcebo H Mthombeni
- Department of Chemical Engineering, Faculty of the Built Environment, Durban University of Technology, Steve Biko Campus, Durban, 4001, South Africa
| | - Rudzani Sigwadi
- Department of Chemical Engineering, University of South Africa (UNISA), Florida Campus, Johannesburg, 1709, South Africa
| | - Rachel F Ajayi
- SensorLab (University of the Western Cape Sensor Laboratories), 4th Floor Chemical Sciences Building, University of the Western Cape, Robert Sobukwe Road, Bellville, Cape Town, 7535, South Africa
| | - Usisipho Feleni
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology (CSET), University of South Africa (UNISA), Florida Campus, Johannesburg, 1709, South Africa.
| | - Bhekie B Mamba
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology (CSET), University of South Africa (UNISA), Florida Campus, Johannesburg, 1709, South Africa
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2
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Gao J, Ouyang J, Shen J, Wei Y, Wang C. Multivariate covalent organic frameworks guided carboxyl functionalized magnetic adsorbent for enrichment of fluoroquinolones in milk prior to high performance liquid chromatographic analysis. J Chromatogr A 2023; 1706:464283. [PMID: 37562103 DOI: 10.1016/j.chroma.2023.464283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 07/01/2023] [Accepted: 08/04/2023] [Indexed: 08/12/2023]
Abstract
Herein, we prepared a carboxyl functionalized magnetic covalent organic framework (Fe3O4@iCOF-COOH) by combining multivariate synthetic strategy with post-synthetic modification. It was used as an adsorbent for magnetic solid phase extraction (MSPE) of six fluoroquinolones (FQs), and showed good absorption performance at neutral pH. Carboxyl groups are found to be crucial for the adsorption of fluoroquinolones. The adsorption mechanism was primarily attributed to strong hydrogen bonding, π-π interaction as well as potential hydrophobic effect. The optimal extraction conditions are sample pH at 6.0, adsorbent dosage of 3 mg, eluent of 1.0 mL methanol solution containing 7.5% ammonia, and extraction/desorption time of 30 min. Under the optimized conditions, the Fe3O4@iCOF-COOH was used as an adsorbent for MSPE of FQs in milk, an analytical method was established by combining with high-performance liquid chromatography-ultraviolet detection (HPLC-UV). The limits of detection (LODs) and limit of quantification (LOQs) were 1.24-4.58 ng⋅mL-1 and 4.12-15.3 ng⋅mL-1, respectively. The recoveries of target FQs in spiked milk were 68.4-105%. This work provides a new way to prepare covalent organic framework based adsorbents for solid phase extraction, and can be readily extended to other type of adsorbents.
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Affiliation(s)
- Jingnan Gao
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, China
| | - Jinya Ouyang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710127, China
| | - Jiwei Shen
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, 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, 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, Xi'an 710127, China.
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3
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Khongkla S, Nurerk P, Udomsri P, Jullakan S, Bunkoed O. A monolith graphene oxide and mesoporous carbon composite sorbent in polyvinyl alcohol cryogel to extract and enrich fluoroquinolones in honey. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2023.105288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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4
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Suseela MNL, Viswanadh MK, Mehata AK, Priya V, Setia A, Malik AK, Gokul P, Selvin J, Muthu MS. Advances in solid-phase extraction techniques: Role of nanosorbents for the enrichment of antibiotics for analytical quantification. J Chromatogr A 2023; 1695:463937. [PMID: 37019063 DOI: 10.1016/j.chroma.2023.463937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/18/2023] [Accepted: 03/18/2023] [Indexed: 04/05/2023]
Abstract
Antibiotics are life-saving medications for treating bacterial infections; however it has been discovered that resistance developed by bacteria against these incredible agents is the primary contributing factor to rising global mortality rates. The fundamental cause of the emergence of antibiotic resistance in bacteria is the presence of antibiotic residues in various environmental matrices. Although antibiotics are present in diluted form in environmental matrices like water, consistent exposure of bacteria to these minute levels is enough for the resistance to develop. So, identifying these tiny concentrations of numerous antibiotics in various and complicated matrices will be a crucial step in controlling their disposal in those matrices. Solid phase extraction, a popular and customizable extraction technology, was developed according to the aspirations of the researchers. It is a unique alternative technique that could be implemented either alone or in combination with other approaches at different stages because of the multitude of sorbent varieties and techniques. Initially, sorbents are utilized for extraction in their natural state. The basic sorbent has been modified over time with nanoparticles and multilayer sorbents, which have indeed helped to accomplish the desired extraction efficiencies. Among the current traditional extraction techniques such as liquid-liquid extraction, protein precipitation, and salting out techniques, solid-phase extractions (SPE) with nanosorbents are most productive because, they can be automated, selective, and can be integrated with other extraction techniques. This review aims to provide a broad overview of advancements and developments in sorbents with a specific emphasis on the applications of SPE techniques used for antibiotic detection and quantification in various matrices in the last two decades.
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Affiliation(s)
| | - Matte Kasi Viswanadh
- KL College of Pharmacy, Koneru Lakshmaiah Education Foundation, Vaddeswaram, AP 522302, India
| | - Abhishesh Kumar Mehata
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi 221005, India
| | - Vishnu Priya
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi 221005, India
| | - Aseem Setia
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi 221005, India
| | - Ankit Kumar Malik
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi 221005, India
| | - Patharaj Gokul
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi 221005, India
| | - Joseph Selvin
- Department of Microbiology, Pondicherry University, Puducherry 605014, India
| | - Madaswamy S Muthu
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi 221005, India.
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Ning X, Qiu J. A semi-quantitative multi-range lateral flow immunoassay for amantadine residues in livestock and poultry products. FOOD AGR IMMUNOL 2022. [DOI: 10.1080/09540105.2022.2137472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Affiliation(s)
- Xiangxue Ning
- Institute of Quality Standards and Testing Technology for Agro-Products, Key Laboratory of Agri-Food Quality and Safety, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
| | - Jing Qiu
- Institute of Quality Standards and Testing Technology for Agro-Products, Key Laboratory of Agri-Food Quality and Safety, Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing, People’s Republic of China
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Wu Y, Zhong D, Qiu Q, Yan X, Wu D. Nanoporous Polyimide Microspheres Solid Phase Extraction Coupled to Liquid Chromatography with Fluorescence Detection to Determine Fluoroquinolones in Water and Food Samples. Chromatographia 2022. [DOI: 10.1007/s10337-022-04196-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Song N, Tian Y, Luo Z, Dai J, Liu Y, Duan Y. Advances in pretreatment and analysis methods of aromatic hydrocarbons in soil. RSC Adv 2022; 12:6099-6113. [PMID: 35424557 PMCID: PMC8981609 DOI: 10.1039/d1ra08633b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 01/27/2022] [Indexed: 11/21/2022] Open
Abstract
Benzene compounds that are prevalent in the soil as organic pollutants mainly include BTEX (benzene, toluene, ethylbenzene, and three xylene isomers) and PAHs (polycyclic aromatic hydrocarbons). These pose a severe threat to many aspects of human health. Therefore, the accurate measurement of BTEX and PAHs concentrations in the soil is of great importance. The samples for analysis of BTEX and PAHs need to be suitable for the various detection methods after pretreatment, which include Soxhlet extraction, ultrasonic extraction, solid-phase microextraction, supercritical extraction, and needle trap. The detection techniques mainly consist of gas chromatography (GC), mass spectrometry (MS), and online sensors, and provide comprehensive information on contaminants in the soil. Their performance is evaluated in terms of sensitivity, selectivity, and recovery. Recently, there has been rapid progress in the pretreatment and analysis methods for the quantitative and qualitative analyses of BTEX and PAHs. Therefore, it is necessary to produce a timely and in-depth review of the emerging pretreatment and analysis methods, which is unfortunately absent from the recent literature. In this work, state-of-art extraction techniques and analytical methods have been summarized for the determination of BTEX and PAHs in soil, with a particular focus on the potential and limitations of the respective methods for different aromatic hydrocarbons. Accordingly, the paper will describe the basic methodological knowledge, as well as the recent advancement of pretreatment and analysis methods for samples containing BTEX and PAHs.
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Affiliation(s)
- Na Song
- Research Center of Analytical Instrumentation, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University Xi'an Shaanxi 710069 P. R.China
| | - Yonghui Tian
- Research Center of Analytical Instrumentation, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University Xi'an Shaanxi 710069 P. R.China
| | - Zewei Luo
- Research Center of Analytical Instrumentation, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University Xi'an Shaanxi 710069 P. R.China
| | - Jianxiong Dai
- Research Center of Analytical Instrumentation, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University Xi'an Shaanxi 710069 P. R.China
| | - Yan Liu
- Research Center of Analytical Instrumentation, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University Xi'an Shaanxi 710069 P. R.China
| | - Yixiang Duan
- Research Center of Analytical Instrumentation, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University Xi'an Shaanxi 710069 P. R.China
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8
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Speltini A, Tripodo G, Rinaldi F, Massolini G, Profumo A, Calleri E. Carbon nanotubes-modified poly-high internal phase emulsions for pharmaceuticals pre-concentration and determination. J Pharm Biomed Anal 2022; 207:114391. [PMID: 34624819 DOI: 10.1016/j.jpba.2021.114391] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/16/2021] [Accepted: 09/18/2021] [Indexed: 11/15/2022]
Abstract
This paper deals with the preparation of new composites between polymerized/crosslinked high internal phase emulsions (polyHIPEs) and carbon nanotubes (CNTs), specifically designed for pharmaceutical analytical applications. While the composition of the polyHIPEs was maintained constant, the amount of CNTs was varied from 0.5% to 1% w/v. As proof-of-concept, the materials were tested for solid-phase extraction. Three drugs with different physical-chemical properties, namely 17β-estradiol (E2), Naproxen (NPX), and Oxprenolol (OXP) were selected as probes to investigate the adsorption/elution conditions on/from the CNT/polyHIPE composites for future analytical applications. The sorption and desorption behavior of the three analytes was studied at different pH values. The experimental results are coherent with chemistry of the support and the physical-chemical characteristics of the considered analytes. The incorporation of CNTs into the polyHIPEs network strongly influences the sorption properties of these materials.
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Affiliation(s)
- Andrea Speltini
- Department of Chemistry, University of Pavia, Via Taramelli 12, Pavia 27100, Italy
| | - Giuseppe Tripodo
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, Pavia 27100, Italy
| | - Francesca Rinaldi
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, Pavia 27100, Italy
| | - Gabriella Massolini
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, Pavia 27100, Italy
| | - Antonella Profumo
- Department of Chemistry, University of Pavia, Via Taramelli 12, Pavia 27100, Italy
| | - Enrica Calleri
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, Pavia 27100, Italy.
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9
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Yang Y, Li Y, Tao Y, Feng X, Ma Y, Ji W, Sun Y, chen Y, chen T. Preparation of 3D flower-like double oxide hydrotalcite composite using pollen as a biotemplate and their effective adsorption for quinolone antibiotics. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106796] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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10
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Gomes RDS, Thesing A, Santos JFL, Fernandes AN. Self-supported 3D reduced graphene oxide for solid-phase extraction: An efficient and low-cost sorbent for environmental contaminants in aqueous solution. Talanta 2021; 235:122750. [PMID: 34517618 DOI: 10.1016/j.talanta.2021.122750] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 10/20/2022]
Abstract
A 3D reduced graphene oxide (3D-rGO), a self-supported, efficient, and low-cost sorbent, was synthesised and employed in a solid-phase extraction (SPE) cartridge. As a proof of concept, it was applied to remove diclofenac from aqueous solution. After applying statistical methods to systematically investigate key parameters for optimizing the 3D-rGO cartridge performance, it reached removal and elution efficiencies of 100 % and 90 %, respectively. This SPE cartridge presented advantages compared to traditional ones as the smaller amount of material into the cartridge (mass twenty times smaller), in addition to the ability of eliminating sorbent preconditioning, reducing the use of solvents, and making the process environmentally friendly with a faster operation. Also, it presented improved reproducibility after several cycles of reuse, and finally a lower cost of production unveiled by a cost-benefit analysis. Analysis with scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectrometry, Raman, and Fourier transform infrared spectroscopy in attenuated total reflectance mode suggested that the 3D framework morphology with a high content of carbon at the surface and some residual oxygen-containing groups are the protagonists in this performance. Therefore, 3D-rGO has the potential to be a highly efficient sorbent in analytical procedures using SPE for environmental contaminants in water and effluent samples.
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Affiliation(s)
- Raimara de Souza Gomes
- Instituto de Química, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Bairro Agronomia, Porto Alegre, RS, 91501-970, Brazil
| | - Anderson Thesing
- Instituto de Física, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Bairro Agronomia, Porto Alegre, RS, 91501-970, Brazil
| | - Jacqueline Ferreira Leite Santos
- Instituto de Química, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Bairro Agronomia, Porto Alegre, RS, 91501-970, Brazil.
| | - Andreia Neves Fernandes
- Instituto de Química, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Bairro Agronomia, Porto Alegre, RS, 91501-970, Brazil.
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Li L, Zhang H, Zhang Q, Wang T, Hou X. Macro-microporous zeolitic imidazole framework-8/cellulose aerogel for semi-automated pipette tip solid phase extraction of fluoroquinolones in water. Anal Chim Acta 2021; 1184:338984. [PMID: 34625268 DOI: 10.1016/j.aca.2021.338984] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 08/21/2021] [Accepted: 08/21/2021] [Indexed: 12/16/2022]
Abstract
In this study, Zeolitic Imidazole Framework-8/cellulose aerogel (ZIF-8/CA) hybrid was successfully fabricated through a simple doping method and ZIF-8 acted as the major component for adsorption. In order to elucidate the adsorption mechanism deeply, molecular simulation was adopted to the expound the interaction modes between ZIF-8 and the fluoroquinolones (FQs). ZIF-8/CA was used as the adsorbent for semi-automated pipette tip solid phase extraction (PT-SPE). In combination with high performance liquid chromatography tandem fluorescence detector (HPLC-FLD), the established method was successfully employed to determine trace amount of FQs in water samples. Extraction parameters such as the content of ZIF-8, pH of sample solution, volume of sample, flow rate of sampling, type and volume of elution solvent were investigated. Under the optimized conditions, satisfactory linearity was achieved with the correlation coefficient (R2) ranging from 0.9954 to 0.9992. The limits of detection were in the range of 0.337-1.707 ng L-1. And the recoveries varied from 75.9% to 96.8% with RSD less than 8.0%. The established method was demonstrated to be sensitive, efficient and convenient.
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Affiliation(s)
- Lin Li
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, Liaoning Province, People's Republic of China
| | - Hongyu Zhang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, Liaoning Province, People's Republic of China
| | - Qian Zhang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, Liaoning Province, People's Republic of China
| | - Ting Wang
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, 110016, Liaoning Province, People's Republic of China
| | - Xiaohong Hou
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, 110016, Liaoning Province, People's Republic of China.
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12
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Jing W, Wang J, Kuipers B, Bi W, Chen DDY. Recent applications of graphene and graphene-based materials as sorbents in trace analysis. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116212] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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13
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Tang M, Zhao Y, Chen J, Xu D. On-line multi-residue analysis of fluoroquinolones and amantadine based on an integrated microfluidic chip coupled to triple quadrupole mass spectrometry. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:5322-5331. [PMID: 33135716 DOI: 10.1039/d0ay01641a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
An on-line multi-residue qualitative and quantitative analysis method for fluoroquinolones and amantadine using an integrated microfluidic chip was developed prior to directly coupling to triple quadrupole mass spectrometry (QQQ-MS). Six parallel channels consisting of sample filtration units and micro solid phase extraction (micro-SPE) columns were present in the specifically designed microfluidic device. Firstly, the impurities in the sample solution were trapped by the micropillars in the filtration units. The solution passed through the micro-SPE units packed with hydrophilic-lipophilic balanced (HLB) particles, and then the two classes of drugs were enriched. After washing, the targets were eluted and immediately electrosprayed for MS analysis. This approach allowed effective filtration, enrichment, elution, and MS detection without the introduction of an additional separation step after SPE. Direct electrospray ionization (ESI)-MS in multiple reaction monitoring (MRM) mode could not only ensure the high sensitivity of quantitative analysis, but also achieved accurate qualitative analysis towards targets using the MRM ratios, reducing the possibility of false positives. Good linear relationships were obtained by the internal standard (IS) method with a linear range of 1-200 ng mL-1 (R2 > 0.992). The mean recoveries of the eight target analytes were from 85.2% to 122% with the relative standard deviation (RSD) ranging from 5.6% to 20.3%. All this demonstrated that the developed microfluidic device could be a useful tool for rapid detection in the field of food safety.
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Affiliation(s)
- Minmin Tang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
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14
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Maciel EVS, Mejía-Carmona K, Jordan-Sinisterra M, da Silva LF, Vargas Medina DA, Lanças FM. The Current Role of Graphene-Based Nanomaterials in the Sample Preparation Arena. Front Chem 2020; 8:664. [PMID: 32850673 PMCID: PMC7431689 DOI: 10.3389/fchem.2020.00664] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 06/26/2020] [Indexed: 12/18/2022] Open
Abstract
Since its discovery in 2004 by Novoselov et al., graphene has attracted increasing attention in the scientific community due to its excellent physical and chemical properties, such as thermal/mechanical resistance, electronic stability, high Young's modulus, and fast mobility of charged atoms. In addition, other remarkable characteristics support its use in analytical chemistry, especially as sorbent. For these reasons, graphene-based materials (GBMs) have been used as a promising material in sample preparation. Graphene and graphene oxide, owing to their excellent physical and chemical properties as a large surface area, good mechanical strength, thermal stability, and delocalized π-electrons, are ideal sorbents, especially for molecules containing aromatic rings. They have been used in several sample preparation techniques such as solid-phase extraction (SPE), stir bar sorptive extraction (SBSE), magnetic solid-phase extraction (MSPE), as well as in miniaturized modes as solid-phase microextraction (SPME) in their different configurations. However, the reduced size and weight of graphene sheets can limit their use since they commonly aggregate to each other, causing clogging in high-pressure extractive devices. One way to overcome it and other drawbacks consists of covalently attaching the graphene sheets to support materials (e.g., silica, polymers, and magnetically modified supports). Also, graphene-based materials can be further chemically modified to favor some interactions with specific analytes, resulting in more efficient hybrid sorbents with higher selectivity for specific chemical classes. As a result of this wide variety of graphene-based sorbents, several studies have shown the current potential of applying GBMs in different fields such as food, biological, pharmaceutical, and environmental applications. Within such a context, this review will focus on the last five years of achievements in graphene-based materials for sample preparation techniques highlighting their synthesis, chemical structure, and potential application for the extraction of target analytes in different complex matrices.
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Affiliation(s)
| | | | | | | | | | - Fernando Mauro Lanças
- Laboratory of Chromatography (CROMA), São Carlos Institute of Chemistry (IQSC), University of São Paulo, São Carlos, Brazil
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15
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Xu G, Dong X, Hou L, Wang X, Liu L, Ma H, Zhao RS. Room-temperature synthesis of flower-shaped covalent organic frameworks for solid-phase extraction of quinolone antibiotics. Anal Chim Acta 2020; 1126:82-90. [DOI: 10.1016/j.aca.2020.05.071] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 05/25/2020] [Accepted: 05/29/2020] [Indexed: 12/17/2022]
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16
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Liu M, Guo L, Yin Y, Chen L, Chen Z, Liu J, Qiu B. Au nanoparticle preconcentration coupled with CE-electrochemiluminescence detection for sensitive analysis of fluoroquinolones in European eel ( Anguilla anguilla). ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:2693-2702. [PMID: 32930300 DOI: 10.1039/d0ay00264j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this work, a novel method based on gold nanoparticle preconcentration coupled with CE for electrochemiluminescence detection of ciprofloxacin, enrofloxacin, ofloxacin, and norfloxacin in European eels was developed. The addition of gold nanoparticles induced the rapid enrichment of fluoroquinolones, which was simpler than the conventional enrichment approaches such as solid phase extraction and solid-phase microextraction. More than 100 times enrichment was observed after gold nanoparticle aggregation-based preconcentration. The CE-electrochemiluminescence parameters that affected the separation and detection were optimized. Under the optimized conditions, the linear ranges for the four fluoroquinolones were 0.090-8.0 μmol L-1 with the detection limits between 0.020 and 0.050 μmol L-1. The proposed approach showed the advantages of high sensitivity, high selectivity, a wide linear range, and a low detection limit. It was used to analyze fluoroquinolones in European eel, and the results showed that the developed method can satisfy the detection requirements for fluoroquinolone determination in aquatic products set by China and the European Union.
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Affiliation(s)
- Meihua Liu
- Fuqing Branch of Fujian Normal University, Fuqing, Fujian 350300, China
| | - Longhua Guo
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, PR China.
- Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
| | - Yuechun Yin
- Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
| | - Lifen Chen
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, 314001, PR China.
| | - Zhitao Chen
- Fuqing Branch of Fujian Normal University, Fuqing, Fujian 350300, China
| | - Jingjing Liu
- Fuqing Branch of Fujian Normal University, Fuqing, Fujian 350300, China
| | - Bin Qiu
- Ministry of Education Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
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17
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Passos MLC, Sousa E, Saraiva MLMFS. Immobilized imidazolium-based ionic liquids in C18 for solid-phase extraction. Analyst 2020; 145:2701-2708. [PMID: 32072997 DOI: 10.1039/c9an02479d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, two solid-phases based on imidazolium-based ionic liquids were obtained and characterized for solid-phase extraction of fluoroquinolones. The process of immobilization was performed replacing a toxic reagent by UV-irradiation to get a harmless process. The obtained solid-phases were characterized by nuclear magnetic resonance spectroscopy and elemental analysis. Each solid-phase was packed in a cartridge and was used in solid-phase extraction processes for norfloxacin and ciprofloxacin, after the optimization of some parameters such as the elution solvent, the eluent volume and, the sample volume to be used during the loading step. The developed solid-phases with immobilized ionic liquids were successfully implemented for the studied compounds and indicate high probabilities to be useful in solid-phase extractions of other fluoroquinolones.
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Affiliation(s)
- Marieta L C Passos
- LAQV, REQUIMTE, Department of Chemical Sciences, Laboratory of Applied Chemistry, Faculty of Pharmacy, Porto University, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
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18
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Zhu M, Li R, Lai M, Ye H, Long N, Ye J, Wang J. Copper nanoparticles incorporating a cationic surfactant-graphene modified carbon paste electrode for the simultaneous determination of gatifloxacin and pefloxacin. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2019.113730] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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19
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Li H, Chen J, Tan L, Wang J. Solid-phase extraction using a molecularly imprinted polymer for the selective purification and preconcentration of norfloxacin from seawater. ANAL LETT 2019. [DOI: 10.1080/00032719.2019.1628245] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Huiping Li
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, China
| | - Jianlei Chen
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, China
| | - Liju Tan
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, China
| | - Jiangtao Wang
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, China
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20
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Humic Acids Pyrolyzed onto Silica Microparticles for Solid-Phase Extraction of Benzotriazoles and Benzothiazoles from Environmental Waters. Chromatographia 2019. [DOI: 10.1007/s10337-019-03699-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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21
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Application of activated carbon-decorated polyacrylonitrile nanofibers as an adsorbent in dispersive solid-phase extraction of fluoroquinolones from wastewater. J Pharm Anal 2019; 9:117-126. [PMID: 31011468 PMCID: PMC6460376 DOI: 10.1016/j.jpha.2019.01.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 01/05/2019] [Accepted: 01/06/2019] [Indexed: 11/21/2022] Open
Abstract
A cheap and simple sample preparation method, consisting of a dispersive solid-phase method and an adsorbent, activated carbon decorated PAN nanofibers, was employed and used for the extraction of antibiotics (ciprofloxacin, danofloxacin, and enrofloxacin) in wastewater. Electrospun PAN nanofibers that were decorated with activated carbon produced from waste tires were used as the solid phase and the antibiotics analyzed by using high-performance liquid chromatography. Parameters such as pH, mass of adsorbent (MA), extraction volume (EV), and extraction time (ET) were optimized owing to their potential effect on the extraction of antibiotics from water. The recovery of all antibiotics was satisfactory, in the range of 90%–99%. The limits of detection and quantification were 0.05, 0.11, 0.20, and 0.53, 1.21, 2.17 µg/L, respectively. The precision was determined from the repeatability and reproducibility and expressed as the intra-day (n = 20) and inter-day (n = 5) precision. The intra-day and inter-day precision was reported in terms of the percentage relative standard deviation, which was 3% and 4%, respectively. The adsorption capacity of the activated carbon-decorated PAN nanofibers was satisfactory, and the reusability of the adsorbent was impressive when reused ten times. The accuracy of the dispersive solid phase extraction (DSPE) was validated by spike recovery tests; the results proved the reliability and efficiency of adsorbing antibiotics from wastewater. Finally, the proposed method was applied to wastewater samples collected from a wastewater treatment plant, which included influent, secondary, and effluent wastewater.
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22
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Wu C, Cheng R, Wang J, Wang Y, Jing X, Chen R, Sun L, Yan Y. Fluorescent molecularly imprinted nanoparticles for selective and rapid detection of ciprofloxacin in aquaculture water. J Sep Sci 2018; 41:3782-3790. [PMID: 30070767 DOI: 10.1002/jssc.201800418] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 07/26/2018] [Accepted: 07/28/2018] [Indexed: 12/19/2022]
Abstract
Fluorescent molecularly imprinted nanoparticles have shown great promise in the field of chemical analysis or detection because of their high stability, selectivity, and sensitivity. In this work, fluorescent molecularly imprinted nanoparticles were synthesized by precipitation polymerization employing fluorescein isothiocyanate as luminescent material, which could efficiently and rapidly detect ciprofloxacin in water samples. The prepared fluorescent molecularly imprinted nanoparticles had remarkable stability and good selectivity with the method detection limit low to 4.04 nm. In addition, the fluorescent-imprinted nanoparticles were capable of identifying the target with high detection efficiency and were applied to the detection of ciprofloxacin in aquaculture water with complex composition. All these would provide the direct monitoring of ciprofloxacin in environmental water with a promising fluorescent imprinting strategy.
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Affiliation(s)
- Chunxia Wu
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Rujia Cheng
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Jixiang Wang
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Yunyun Wang
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Xuan Jing
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Rongru Chen
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Lin Sun
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Yongsheng Yan
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, P. R. China
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23
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Isocratic Resolution of Fluoroquinolone-Based Antibiotics on the Phenylethyl-Bonded Phase under Nonaqueous Elution: A Consideration of the Separation Mechanism. Int J Anal Chem 2018; 2018:1375215. [PMID: 29955229 PMCID: PMC6000864 DOI: 10.1155/2018/1375215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Accepted: 03/05/2018] [Indexed: 11/18/2022] Open
Abstract
This paper reports the isocratic resolution of 10 fluoroquinolone-based antibiotics and their precursors on the phenylethyl-bonded phase under the elution of the nonaqueous mobile phase composed of acetonitrile, methanol, acetic acid, and triethylamine. Most of the analytes were baseline resolved within 10 minutes. The interaction simulation and Fourier-transform infrared spectroscopy (FTIR) data indicated that the carbonyl-containing group, a secondary or tertiary amine of an analyte, was heavily involved in the retention, resulting in retention with residual silanol groups on the stationary phase. In some cases, the elution reversal or resolution enhancement of analytes was observed when the volume of acidic or basic additive in the mobile phase was dominant. However, the π-π complexation interaction between the fluorine-attached phenyl group of the analyte and the phenylethyl moiety on the stationary phase was not observed. Consequently, the resolution could not be reproduced either on the other stationary phase modified with C18, phenyl, or phenylhexyl moiety under the same chromatographic conditions or under the aqueous elution.
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Khan A, Khuda F, Elseman AM, Aly Z, Rashad MM, Wang X. Innovations in graphene-based nanomaterials in the preconcentration of pharmaceuticals waste. ACTA ACUST UNITED AC 2018. [DOI: 10.1080/21622515.2018.1457726] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Ayub Khan
- School of Environment and Chemical Engineering, North China Electric Power University, Beijing, People’s Republic of China
| | - Fazli Khuda
- Department of Pharmacy, University of Peshawar, Peshawar, Pakistan
| | - Ahmed Mourtada Elseman
- Electronic and Magnetic Materials Department, Advanced Material Division, Central Metallurgical Research and Development Institute (CMRDI), Cairo, Egypt
| | - Zaynab Aly
- Australian Nuclear Science and Technology Organisation (ANSTO) Sydney, Sydney, Australia
| | - Mohamed M. Rashad
- Electronic and Magnetic Materials Department, Advanced Material Division, Central Metallurgical Research and Development Institute (CMRDI), Cairo, Egypt
| | - Xiangke Wang
- School of Environment and Chemical Engineering, North China Electric Power University, Beijing, People’s Republic of China
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25
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One-pot preparation of magnetic carbon adsorbent derived from pomelo peel for magnetic solid-phase extraction of pollutants in environmental waters. J Chromatogr A 2018; 1546:28-35. [DOI: 10.1016/j.chroma.2018.03.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Revised: 02/25/2018] [Accepted: 03/01/2018] [Indexed: 01/12/2023]
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26
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De Toffoli AL, Fumes BH, Lanças FM. Packed in-tube solid phase microextraction with graphene oxide supported on aminopropyl silica: Determination of target triazines in water samples. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2018; 53:434-440. [PMID: 29469607 DOI: 10.1080/03601234.2018.1438831] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
On-line in-tube solid phase microextraction (in-tube SPME) coupled to high performance liquid chromatography and tandem mass spectrometry (HPLC-MS/MS) was successfully applied to the determination of selected triazines in water samples. The method based on the employment of a packed column containing graphene oxide (GO) supported on aminopropyl silica (Si) showed that the extraction phase has a high potential for triazines extraction aiming to its physical-chemical properties including ultrahigh specific surface area, good mechanical and thermal stability and high fracture strength. Injection volume and loading time were both investigated and optimized. The method validation using Si-GO to extract and concentrate the analytes showed satisfactory results, good sensitivity, good linearity (0.2-4.0 µg L-1) and low detection limits (1.1-2.9 ng L-1). The high extraction efficiency was determined with enrichment factors ranging from 1.2-2.9 for the lowest level, 1.3-4.9 intermediate level and 1.2-3.0 highest level (n = 3). Although the analytes were not detected in the real samples evaluated, the method has demonstrated to be efficient through its application in the analysis of spiked triazines in ground and mineral water samples.
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Affiliation(s)
- Ana L De Toffoli
- a University of Sao Paulo, Institute of Chemistry at Sao Carlos , Department of Chemistry , São Carlos , SP , Brazil
| | - Bruno H Fumes
- a University of Sao Paulo, Institute of Chemistry at Sao Carlos , Department of Chemistry , São Carlos , SP , Brazil
| | - Fernando M Lanças
- a University of Sao Paulo, Institute of Chemistry at Sao Carlos , Department of Chemistry , São Carlos , SP , Brazil
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27
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Li C, Chen J, Chen Y, Wang J, Ping H, Lu A. Graphene-Derivatized Silica Composite as Solid-Phase Extraction Sorbent Combined with GC-MS/MS for the Determination of Polycyclic Musks in Aqueous Samples. Molecules 2018; 23:molecules23020318. [PMID: 29393879 PMCID: PMC6017199 DOI: 10.3390/molecules23020318] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 01/25/2018] [Accepted: 02/01/2018] [Indexed: 01/01/2023] Open
Abstract
Polycyclic musks (PCMs) have recently received growing attention as emerging contaminants because of their bioaccumulation and potential ecotoxicological effects. Herein, an effective method for the determination of five PCMs in aqueous samples is presented. Reduced graphene oxide-derivatized silica (rGO@silica) particles were prepared from graphene oxide and aminosilica microparticles and characterized by scanning electron microscopy, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy. PCMs were preconcentrated using rGO@silica as the solid-phase extraction sorbent and quantified by gas chromatography–tandem mass spectrometry. Several experimental parameters, such as eluent, elution volume, sorbent amount, pH, and sample volume were optimized. The correlation coefficient (R) ranged from 0.9958 to 0.9992, while the limits of detection and quantitation for the five PCMs were 0.3–0.8 ng/L and 1.1–2.1 ng/L, respectively. Satisfactory recoveries were obtained for tap water (86.6–105.9%) and river water samples (82.9–107.1%), with relative standard deviations <10% under optimal conditions. The developed method was applied to analyze PCMs in tap and river water samples from Beijing, China. Galaxolide (HHCB) and tonalide (AHTN) were the main PCM components detected in one river water sample at concentrations of 18.7 for HHCB, and 11.7 ng/L for AHTN.
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Affiliation(s)
- Cheng Li
- Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
- Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China.
| | - Jiayi Chen
- Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
- Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China.
| | - Yan Chen
- Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
- Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China.
| | - Jihua Wang
- Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
| | - Hua Ping
- Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
| | - Anxiang Lu
- Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
- Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China.
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28
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Tang Y, Xu J, Chen L, Qiu J, Liu Y, Ouyang G. Rapid in vivo determination of fluoroquinolones in cultured puffer fish (Takifugu obscurus) muscle by solid-phase microextraction coupled with liquid chromatography-tandem mass spectrometry. Talanta 2017; 175:550-556. [DOI: 10.1016/j.talanta.2017.07.066] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 07/18/2017] [Accepted: 07/22/2017] [Indexed: 11/24/2022]
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29
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Ziarrusta H, Val N, Dominguez H, Mijangos L, Prieto A, Usobiaga A, Etxebarria N, Zuloaga O, Olivares M. Determination of fluoroquinolones in fish tissues, biological fluids, and environmental waters by liquid chromatography tandem mass spectrometry. Anal Bioanal Chem 2017; 409:6359-6370. [PMID: 28852783 DOI: 10.1007/s00216-017-0575-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 07/27/2017] [Accepted: 08/07/2017] [Indexed: 11/30/2022]
Abstract
This work describes the optimization, validation, and application in real samples of accurate and precise analytical methods to determine ten fluoroquinolones (FQs) (norfloxacin, enoxacin, pefloxacin, ofloxacin, levofloxacin, ciprofloxacin, danofloxacin, lomefloxacin, enrofloxacin, and sparfloxacin) in different environmental matrices, such as water (estuarine, seawater, and wastewater treatment plant effluent), fish tissues (muscle and liver), and fish biofluids (plasma and bile). The analysis step performed by liquid chromatography-tandem mass spectrometry (LC-MS/MS) was fully optimized to improve the separation and detection steps. The extraction of analytes from fish tissues was accomplished using focused ultrasound solid-liquid extraction using methanol/acetic acid (95:5 v/v) as extractant. The preconcentration and clean-up steps were optimized in terms of extraction efficiency and cleanliness and the best strategy for each matrix was selected: (i) Oasis HLB for seawater and muscle, (ii) liquid-liquid extraction combined with Oasis HLB for the lipid-rich liver, (iii) the combination of Evolute-WAX and Oasis HLB for estuarine water and wastewater treatment plant effluent, and (iv) molecular imprinted polymers for biofluids. The methods afforded satisfactory apparent recoveries (80-126%) and repeatability (RSD < 15%), except for sparfloxacin, which showed a lack of correction with the available isotopically labeled surrogates ([2H8]-ciprofloxacin and [2H5]-enrofloxacin). Ciprofloxacin, norfloxacin, and ofloxacin were detected in both water and fish liver samples from the Biscay Coast at concentrations up to 278 ng/L and 4 ng/g, respectively. To the best of our knowledge, this work is one of the few analyzing up to ten FQs and in so many fish tissues and biofluids. Graphical abstract Determination of fluoroquinolones in different environmental matrices, such as water (estuarine, seawater, and wastewater treatment plant effluent), fish tissues (muscle and liver), and fish biofluids (plasma and bile).
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Affiliation(s)
- Haizea Ziarrusta
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), PK. 644, 48080, Bilbao, Basque Country, Spain
| | - Nahia Val
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), PK. 644, 48080, Bilbao, Basque Country, Spain
| | - Haizea Dominguez
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), PK. 644, 48080, Bilbao, Basque Country, Spain
| | - Leire Mijangos
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), PK. 644, 48080, Bilbao, Basque Country, Spain
| | - Ailette Prieto
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), PK. 644, 48080, Bilbao, Basque Country, Spain.,Research Centre for Experimental Marine Biology and Biotechnology (PIE), University of the Basque Country (UPV/ EHU), Areatza Pasealekua, 48620, Plentzia, Basque Country, Spain
| | - Aresatz Usobiaga
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), PK. 644, 48080, Bilbao, Basque Country, Spain.,Research Centre for Experimental Marine Biology and Biotechnology (PIE), University of the Basque Country (UPV/ EHU), Areatza Pasealekua, 48620, Plentzia, Basque Country, Spain
| | - Nestor Etxebarria
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), PK. 644, 48080, Bilbao, Basque Country, Spain.,Research Centre for Experimental Marine Biology and Biotechnology (PIE), University of the Basque Country (UPV/ EHU), Areatza Pasealekua, 48620, Plentzia, Basque Country, Spain
| | - Olatz Zuloaga
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), PK. 644, 48080, Bilbao, Basque Country, Spain. .,Research Centre for Experimental Marine Biology and Biotechnology (PIE), University of the Basque Country (UPV/ EHU), Areatza Pasealekua, 48620, Plentzia, Basque Country, Spain.
| | - Maitane Olivares
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), PK. 644, 48080, Bilbao, Basque Country, Spain.,Research Centre for Experimental Marine Biology and Biotechnology (PIE), University of the Basque Country (UPV/ EHU), Areatza Pasealekua, 48620, Plentzia, Basque Country, Spain
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30
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Li Z, Qi M, Tu C, Wang W, Chen J, Wang AJ. Magnetic Metal-Organic Framework/Graphene Oxide-Based Solid-Phase Extraction Combined with Spectrofluorimetry for the Determination of Enrofloxacin in Milk Sample. FOOD ANAL METHOD 2017. [DOI: 10.1007/s12161-017-0971-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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31
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Kędziora K, Wasiak W. Extraction media used in needle trap devices—Progress in development and application. J Chromatogr A 2017; 1505:1-17. [DOI: 10.1016/j.chroma.2017.05.030] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 05/10/2017] [Accepted: 05/12/2017] [Indexed: 12/13/2022]
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32
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Xu J, Li Y, Li C, Zhang R, Xiao Y. Hexafluoroisopropanol-mediated cloud point extraction of organic pollutants in water with analysis by high-performance liquid chromatography. Anal Bioanal Chem 2017; 409:4559-4569. [DOI: 10.1007/s00216-017-0394-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 04/21/2017] [Accepted: 05/03/2017] [Indexed: 11/29/2022]
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33
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Speltini A, Maraschi F, Govoni R, Milanese C, Profumo A, Malavasi L, Sturini M. Facile and fast preparation of low-cost silica-supported graphitic carbon nitride for solid-phase extraction of fluoroquinolone drugs from environmental waters. J Chromatogr A 2017; 1489:9-17. [DOI: 10.1016/j.chroma.2017.02.002] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 01/17/2017] [Accepted: 02/02/2017] [Indexed: 02/06/2023]
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34
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Evaluation of Rice Husk for SPE of Fluoroquinolones from Environmental Waters Followed by UHPLC-HESI-MS/MS. Chromatographia 2017. [DOI: 10.1007/s10337-017-3272-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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35
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Nanoporous Carbon as the Solid-Phase Extraction Adsorbent for the Extraction of Endocrine Disrupting Chemicals from Juice Samples. FOOD ANAL METHOD 2017. [DOI: 10.1007/s12161-017-0828-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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36
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Sturini M, Speltini A, Maraschi F, Vinci G, Profumo A, Pretali L, Albini A, Malavasi L. g-C 3N 4-promoted degradation of ofloxacin antibiotic in natural waters under simulated sunlight. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:4153-4161. [PMID: 27943136 DOI: 10.1007/s11356-016-8156-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 11/25/2016] [Indexed: 06/06/2023]
Abstract
This is the first report on the photodegradation of ofloxacin under simulated solar light and in actual environmental matrices in the presence of a g-C3N4 suspension. The catalyst, prepared from the polymerization of dicyandiamide (650 °C, reaction yield 60%), was characterized by means of powder X-ray diffraction (PXRD), UV-vis diffuse reflectance spectroscopy (DRS), scanning electron microscopy (SEM), and BET surface area measurements. The experiments were carried out in a lab-scale batch reactor at concentrations in the range of micrograms/milligrams per liter. The course of the reaction was monitored by high-pressure liquid chromatography with UV-vis and fluorescence detectors. The g-C3N4-promoted photodegradation occurred at a rate 10 times faster than the direct photolysis and obeyed a first-order kinetics; in addition, the photodegradation kinetics of sonicated g-C3N4 resulted to be of the same order of that caused by P25 TiO2. Finally, the photochemical paths and the photoproducts have been identified and compared to those obtained by using P25 TiO2. From the results of this study, it can be concluded that g-C3N4 is a very attractive photocatalyst compared to P25 TiO2 in view of its ease of preparation, low cost, excellent oxidizing properties, large fraction of solar radiation absorbed, and intrinsically layered structure.
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Affiliation(s)
- Michela Sturini
- Department of Chemistry, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy.
| | - Andrea Speltini
- Department of Chemistry, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy
| | - Federica Maraschi
- Department of Chemistry, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy
| | - Giulia Vinci
- Department of Chemistry, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy
| | - Antonella Profumo
- Department of Chemistry, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy
| | - Luca Pretali
- Department of Chemistry, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy
| | - Angelo Albini
- Department of Chemistry, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy
| | - Lorenzo Malavasi
- Department of Chemistry, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy
- Department of Chemistry and INSTM, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy
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Zhang Z, Cheng H. Recent Development in Sample Preparation and Analytical Techniques for Determination of Quinolone Residues in Food Products. Crit Rev Anal Chem 2017; 47:223-250. [DOI: 10.1080/10408347.2016.1266924] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Zhichao Zhang
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, P. R. China
- University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Hefa Cheng
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, P. R. China
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39
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Lian Z, Wang J. Determination of ciprofloxacin in Jiaozhou Bay using molecularly imprinted solid-phase extraction followed by high-performance liquid chromatography with fluorescence detection. MARINE POLLUTION BULLETIN 2016; 111:411-417. [PMID: 27474342 DOI: 10.1016/j.marpolbul.2016.07.034] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 07/22/2016] [Accepted: 07/24/2016] [Indexed: 06/06/2023]
Abstract
A high selective pre-treatment method for the cleanup and preconcentration of ciprofloxacin in natural seawater samples was developed based on molecularly imprinted solid-phase extraction (MISPE). The ciprofloxacin imprinted polymers were synthesized and the characteristics of obtained polymers were evaluated by scanning electron microscopy, Fourier transform infrared spectroscopy and binding experiments. The imprinted materials showed high adsorption ability for ciprofloxacin and were applied as special solid-phase extraction sorbents for selective separation of ciprofloxacin. An off-line MISPE procedure was optimized and the developed MISPE method allowed direct purification and enrichment of the ciprofloxacin from the aqueous samples prior to high-performance liquid chromatography analysis. The recoveries of spiked seawater on the MISPE cartridges ranged from 75.2 to 112.4% and the relative standard deviations were less than 4.46%. Five seawater samples from Jiaozhou Bay were analyzed and ciprofloxacin was detected in two samples with the concentrations of 0.24 and 0.38μgL(-1), respectively.
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Affiliation(s)
- Ziru Lian
- Marine College, Shandong University, Weihai 264209, China
| | - Jiangtao Wang
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100,China.
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40
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Dimpe KM, Nomngongo PN. Current sample preparation methodologies for analysis of emerging pollutants in different environmental matrices. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2016.05.023] [Citation(s) in RCA: 115] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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41
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Preparation of silica-supported carbon by Kraft lignin pyrolysis, and its use in solid-phase extraction of fluoroquinolones from environmental waters. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1859-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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42
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Li Y, Li Z, Wang W, Zhong S, Chen J, Wang AJ. Miniaturization of self-assembled solid phase extraction based on graphene oxide/chitosan coupled with liquid chromatography for the determination of sulfonamide residues in egg and honey. J Chromatogr A 2016; 1447:17-25. [DOI: 10.1016/j.chroma.2016.04.026] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 02/28/2016] [Accepted: 04/10/2016] [Indexed: 02/09/2023]
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43
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Wang X, Wang H, Lu M, Ma X, Huang P, Lu X, Du X. 3-D graphene-supported mesoporous SiO2@Fe3O4composites for the analysis of pesticides in aqueous samples by magnetic solid-phase extraction with high-performance liquid chromatography. J Sep Sci 2016; 39:1734-41. [DOI: 10.1002/jssc.201600148] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 02/29/2016] [Accepted: 02/29/2016] [Indexed: 01/15/2023]
Affiliation(s)
- Xuemei Wang
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou China
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province; Lanzhou P. R. China
| | - Huan Wang
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou China
| | - Muxin Lu
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou China
| | - Xiaomin Ma
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou China
| | - Pengfei Huang
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou China
| | - Xiaoquan Lu
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou China
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province; Lanzhou P. R. China
| | - Xinzhen Du
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou China
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province; Lanzhou P. R. China
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Mirzajani R, Kardani F. Fabrication of ciprofloxacin molecular imprinted polymer coating on a stainless steel wire as a selective solid-phase microextraction fiber for sensitive determination of fluoroquinolones in biological fluids and tablet formulation using HPLC-UV detection. J Pharm Biomed Anal 2016; 122:98-109. [DOI: 10.1016/j.jpba.2016.01.046] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 01/18/2016] [Accepted: 01/19/2016] [Indexed: 01/28/2023]
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45
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Płotka-Wasylka J, Szczepańska N, de la Guardia M, Namieśnik J. Modern trends in solid phase extraction: New sorbent media. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2015.10.010] [Citation(s) in RCA: 290] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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46
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Seyhan Bozkurt S, Erdogan D, Antep M, Tuzmen N, Merdivan M. Use of ionic liquid based chitosan as sorbent for preconcentration of fluoroquinolones in milk, egg, fish, bovine, and chicken meat samples by solid phase extraction prior to HPLC determination. J LIQ CHROMATOGR R T 2016. [DOI: 10.1080/10826076.2015.1116010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Serap Seyhan Bozkurt
- Faculty of Science, Department of Chemistry, Dokuz Eylul University, Kaynaklar Campus, Izmir, Turkey
| | - Deniz Erdogan
- Faculty of Science, Department of Chemistry, Dokuz Eylul University, Kaynaklar Campus, Izmir, Turkey
| | - Mine Antep
- Faculty of Science, Department of Chemistry, Dokuz Eylul University, Kaynaklar Campus, Izmir, Turkey
| | - Nalan Tuzmen
- Faculty of Science, Department of Chemistry, Dokuz Eylul University, Kaynaklar Campus, Izmir, Turkey
| | - Melek Merdivan
- Faculty of Science, Department of Chemistry, Dokuz Eylul University, Kaynaklar Campus, Izmir, Turkey
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47
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Wang L, Huang T, Cao HX, Yuan QX, Liang ZP, Liang GX. Application of Air-Assisted Liquid-Liquid Microextraction for Determination of Some Fluoroquinolones in Milk Powder and Egg Samples: Comparison with Conventional Dispersive Liquid-Liquid Microextraction. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0409-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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48
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Rashvand M, Vosough M, Kargosha K. Preparation of magnetic nanographene sorbent for extraction and quantification of targeted PPCPs in environmental water samples. RSC Adv 2016. [DOI: 10.1039/c6ra10675g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Nano MGO provides the advantages of large surface area and reusability property for enrichment of selected PPCPs.
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Affiliation(s)
- Masoumeh Rashvand
- Chemistry and Chemical Engineering Research Center of Iran
- Tehran
- Iran
| | - Maryam Vosough
- Chemistry and Chemical Engineering Research Center of Iran
- Tehran
- Iran
| | - Kazem Kargosha
- Chemistry and Chemical Engineering Research Center of Iran
- Tehran
- Iran
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49
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Ghazaghi M, Mousavi HZ, Rashidi AM, Shirkhanloo H, Rahighi R. Innovative separation and preconcentration technique of coagulating homogenous dispersive micro solid phase extraction exploiting graphene oxide nanosheets. Anal Chim Acta 2015; 902:33-42. [PMID: 26703251 DOI: 10.1016/j.aca.2015.11.011] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Revised: 10/29/2015] [Accepted: 11/05/2015] [Indexed: 01/04/2023]
Abstract
A uniquely novel, fast, and facile technique is introduced for the first time in which a scant amount of graphene oxide (GO), without modification, has been utilized in dispersive mode of solid phase extraction (SPE) for an efficient yet simple separation. The proposed method of coagulating homogenous dispersive micro solid phase extraction (CHD-µSPE) is based on coagulation of homogeneous GO solution with the aid of polyetheneimine (PEI). CHD-µSPE use full adsorption capacity of GO because in this method was used GO solution obtained from synthesis process without drying step and stacking nanosheets. In optimized condition, 30 µL GO solution (7 mg mL(-1)), obtained in synthesis process, was injected into 1.5 mL the sample solution followed by immediate injection of 53 µL PEI solution (1 mg mL(-1)). After inserting PEI, GO sheets aggregate and can be readily separated by centrifugation. PEI not only cause aggregation of GO, but also form three-dimensional network of GO with easy handling in following separation steps. Lead, cadmium, and chromium were selected as model analytes and the effecting parameters including the amount of GO, concentration of PEI, sample pH, extraction time, and type of desorption solvent were investigated and optimized. The results indicate that the proposed CHD-µSPE method can be successfully applied GO in dispersive mode of SPE without effecting on good capability adsorption of GO. The novel method was applied in determination of lead, cadmium, and chromium in water, human saliva, and urine samples by electrothermal atomic absorption spectrometry. The detection limits are as low as 0.035, 0.005, and 0.012 µg L(-1) for Pb, Cd, and Cr respectively. The intra-day precisions (RSDs) were lower than 3.8%. CHD-µSPE method showed a good linear ranges of 0.24-15.6, 0.015-0.95 and 0.039-2.33 µg L(-1) for Pb, Cd and Cr respectively. Method performance was investigated by determination of mentioned metal ions in river water, human urine and saliva sample with good recoveries in range of 94.2-103.0%. The accuracy of the method was underpinned by correct analysis of a standard reference material (SRM: 2668 level I, Urine).
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Affiliation(s)
- Mehri Ghazaghi
- Department of Chemistry, College of Science, Semnan University, P.O. Box: 35131-19111, Semnan, Iran
| | - Hassan Zavvar Mousavi
- Department of Chemistry, College of Science, Semnan University, P.O. Box: 35131-19111, Semnan, Iran.
| | - Ali Morad Rashidi
- Nanotechnology Research Center, Research Institute of Petroleum Industry (RIPI), West Entrance Blvd., Olympic Village, P.O. Box: 14857-33111, Tehran, Iran
| | - Hamid Shirkhanloo
- Occupational and Environmental Health Research Center (OEHRC), Iranian Petroleum Industry Health Research Institute (IPIHRI), Tehran, Iran
| | - Reza Rahighi
- Nanotechnology Research Center, Research Institute of Petroleum Industry (RIPI), West Entrance Blvd., Olympic Village, P.O. Box: 14857-33111, Tehran, Iran; Department of Research and Development, Sharif Ultrahigh Nanotechnologists (SUN) Company, P.O. Box: 13488-96394, Tehran, Iran
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50
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Sun Y, Tian J, Wang L, Yan H, Qiao F, Qiao X. One pot synthesis of magnetic graphene/carbon nanotube composites as magnetic dispersive solid-phase extraction adsorbent for rapid determination of oxytetracycline in sewage water. J Chromatogr A 2015; 1422:53-59. [DOI: 10.1016/j.chroma.2015.10.035] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 10/11/2015] [Accepted: 10/13/2015] [Indexed: 12/24/2022]
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