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Wang X, Luo X, Zou P, Lv YJ, Kong X, Huang Y, Liu Z, Han GC. Biomass carbon and Ti 2C 3MXene quantum dots as ratiometric fluorescent probes for sensitive detecting malachite green in fish sample. NANOTECHNOLOGY 2024; 35:175704. [PMID: 38271716 DOI: 10.1088/1361-6528/ad22ac] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 01/24/2024] [Indexed: 01/27/2024]
Abstract
A visual detection method for malachite green (MG) in food was established based on 'double-response-OFF' ratiometric fluorescent paper-based sensor. Biomass carbon quantum dots (BCQDs) using broad bean shell, and Ti3C2MXene quantum (MQDs) dots modified by ethylenediamine were synthesized by solvothermal method. The MG and two kinds of quantum dots could undergo static quenching, and the fluorescence color of two kinds of quantum dots gradually changed from red to blue, eventually the fluorescence was quenched, and the pattern had a two-stage linear relationship using fluorescent spectrofluorometer in the range of 0.1-140.0μM and the detection limit of 0.07μM. On this basis, a BCQDs/MQDs ratiometric fluorescence paper-based sensor was constructed and applied to fish sample. Through mobile phone software-Color recognizer, RGB values of fluorescent paper-based sensor at various concentrations of MG were extracted. The results showed that MG concentration was linearly correlated withR' value of RGB in the range of 20.0-140.0μM with 16.5μM detection limit. The method had been applied to the determination of canned fish and fresh basa fish samples, and the recovery rates were 97.33%-108.93% and 96.04%-117.97%, respectively. It proved that the ratiometric fluorescent paper-based sensor could be used for the rapid visual quantitative detecting MG in real samples.
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Affiliation(s)
- Xiaoyan Wang
- College of Chemical and Biological Engineering, Guilin University of Technology, Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Guilin, 541004, People's Republic of China
| | - Xiaoling Luo
- College of Chemical and Biological Engineering, Guilin University of Technology, Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Guilin, 541004, People's Republic of China
| | - Pintian Zou
- Guangxi Guilin RID Testing & Certification Group, Guilin, 541100, People's Republic of China
| | - Yi-Ju Lv
- College of Chemical and Biological Engineering, Guilin University of Technology, Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Guilin, 541004, People's Republic of China
| | - Xiangfei Kong
- College of Chemical and Biological Engineering, Guilin University of Technology, Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Guilin, 541004, People's Republic of China
| | - Yue Huang
- College of Chemical and Biological Engineering, Guilin University of Technology, Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Guilin, 541004, People's Republic of China
| | - Zheng Liu
- College of Chemical and Biological Engineering, Guilin University of Technology, Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Guilin, 541004, People's Republic of China
| | - Guo-Cheng Han
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, 541004, People's Republic of China
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Yue X, Fu L, Li Y, Xu S, Lin X, Bai Y. Lanthanide bimetallic MOF-based fluorescent sensor for sensitive and visual detection of sulfamerazine and malachite. Food Chem 2023; 410:135390. [PMID: 36623454 DOI: 10.1016/j.foodchem.2023.135390] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 12/26/2022] [Accepted: 01/02/2023] [Indexed: 01/05/2023]
Abstract
A lanthanide terbium/europium metal-organic framework (Tb0.6Eu0.4-MOF) was prepared by one-step solvothermal method at room temperature. A series of characterizations including scanning electron microscopy, powder X-ray diffraction spectra, Fourier transform infrared spectra and X-ray photoelectron spectroscopy were carried out to clarify the physical characteristics of the synthesized material. The data clarified that the prepared Tb0.6Eu0.4-MOF possessed rod-like morphology with a width of 1-2 μm, and had good crystal structure, good stability, response speed and excitation-independent emission feature. The bunchy Tb0.6Eu0.4-MOF was then used to construct fluorescent sensors for rapid identification of malachite green and sulfamerazine. It was revealed that the detection mechanism was inner filter effect. The effects of different parameters such as excitation wavelength and incubation times were investigated on the fluorescence analysis performance. The data clarified that the optimal excitation wavelength and incubation time was 240 nm and 3 min, respectively. The detection platform exhibited the high sensitivity and selectivity toward malachite green in the linear range of 2-180 μM and determined limit of detection was 1.12 μM. Besides, the proposed sensor allowed sensitive detection of sulfamerazine in the linear range of 2-140 μM with a low detection limit of 0.1 μM. Meaningfully, a smartphone application was designed to assist the proposed sensor to realize visual, intelligent and rapid detection of malachite green and sulfamerazine. Furthermore, the practical application of the proposed sensor has been also verified by high performance liquid chromatography, showing good accuracy, sensitivity and satisfactory recoveries. The results suggested that the Tb0.6Eu0.4-MOF-based ratiometric fluorescent sensor had the potential to become a promising technique for rapid detection of malachite green or sulfamerazine with smartphone application. Therefore, the prepared Tb0.6Eu0.4-MOF is one kind of efficient and cost-effective potential materials for developing fluorescent sensor for rapid, sensitive and selective detection of sulfamerazine and malachite.
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Affiliation(s)
- Xiaoyue Yue
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China; Henan Key Laboratory of Cold Chain Food Quality and Safety Control, Zhengzhou 450001, China
| | - Long Fu
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
| | - Yan Li
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
| | - Sheng Xu
- College of Computer and Communication Engineering, Zhengzhou University of Light Industry, 450001 Zhengzhou, Henan Province, China
| | - Xin Lin
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
| | - Yanhong Bai
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China; Henan Key Laboratory of Cold Chain Food Quality and Safety Control, Zhengzhou 450001, China.
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Gao S, Zhou X, Yue M, Zhu S, Liu Q, Zhao XE. Advances and perspectives in chemical isotope labeling-based mass spectrometry methods for metabolome and exposome analysis. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.117022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
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Atapattu SN, Rosenfeld JM. Analytical derivatizations in environmental analysis. J Chromatogr A 2022; 1678:463348. [PMID: 35901668 DOI: 10.1016/j.chroma.2022.463348] [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: 06/17/2022] [Revised: 07/13/2022] [Accepted: 07/13/2022] [Indexed: 10/17/2022]
Abstract
Analytical derivatization is a technique that alters the structure of an analyte and produces a product more suitable for analysis. While this process can be time-consuming and add reagents to the procedure, it can also facilitate the isolation of the analyte(s), enhance analytes' stability, improve separation and sensitivity, and reduce matrix interferences. Since derivatization is a functional group analysis, it improves selectivity by separating reactive from neutral compounds during sample preparation. This technique introduces detector-orientated tags into analytes that lack suitable physicochemical properties for detection at low concentrations. Notably, many regulatory bodies, especially those in the environmental field, require these characteristics in analytical methods. This review focuses on note-worthy analytical derivatization methods employed in environmental analyses with functional groups, phenol, carboxylic acid, aldehyde, ketone, and thiol in aqueous, soil, and atmospheric sample matrices. Both advantages and disadvantages of analytical derivatization techniques are discussed. In addition, we discuss the future directions of analytical derivatization methods in environmental analysis and the potential challenges.
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Affiliation(s)
| | - Jack M Rosenfeld
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON L8S 4K1, Canada
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Xu H, Zhang Z, Wang Y, Zhang X, Zhu JJ, Min Q. Sense and Validate: Fluorophore/Mass Dual-Encoded Nanoprobes for Fluorescence Imaging and MS Quantification of Intracellular Multiple MicroRNAs. Anal Chem 2022; 94:6329-6337. [PMID: 35412806 DOI: 10.1021/acs.analchem.2c00513] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Simultaneously monitoring and quantifying intracellular multiple microRNAs (miRNAs) is highly essential to clinical diagnosis and pathological research. However, revealing the intracellular distribution of multiple miRNAs while determining their content in a multiplex and quantitative format remains challenging. Considering the respective technical merit of fluorescence imaging and mass spectrometry (MS) in in situ detection and multiplex assaying, we herein propose fluorophore/mass dual-encoded nanoprobes (FMNPs) that can execute target-triggered hairpin self-assembly to enable in situ amplified imaging and follow-up MS quantification of intracellular multiple miRNAs. The FMNPs responsive to the target miRNA were constructed by codecorating gold nanoparticles (AuNPs) with locked hairpin DNA probes (LH1) and corresponding mass tags (MTs) for fluorescent and mass spectrometric dual-modal readout. Cellular miRNAs can separately trigger recycled hairpin self-assembly, leading to the continuous liberation of fluorophore-labeled bolt DNA (bDNA) for fluorescence imaging in cells. Moreover, the postreaction FMNPs afford an extra chance to validate the fluorescence output of miRNA-21 and miRNA-141 by accurate MS quantification relying on the ion signal of the barcoded MTs. Fluorescence imaging and MS quantification of miRNA-21 and miRNA-141 have also been successfully accomplished in different cell lines, highlighting its potential in cell subtyping. This "sense-and-validate" strategy creates a new modality for assaying multiple intracellular miRNAs and holds great promise in unveiling multicomponent-involved events in cellular processes and determining multiple biomarkers in accurate clinical diagnosis.
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Affiliation(s)
- Hongmei Xu
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China.,Institute of Environmental Science, Shanxi University, Taiyuan 030006, P. R. China
| | - Zhenzhen Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Yihan Wang
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Xuemeng Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Qianhao Min
- State Key Laboratory of Analytical Chemistry for Life Science, Chemistry and Biomedicine Innovation Center, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
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Liu Y, Liu Y, Liu Z, Hill JP, Alowasheeir A, Xu Z, Xu X, Yamauchi Y. Ultra-durable, multi-template molecularly imprinted polymers for ultrasensitive monitoring and multicomponent quantification of trace sulfa antibiotics. J Mater Chem B 2021; 9:3192-3199. [PMID: 33885623 DOI: 10.1039/d1tb00091h] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Traditional analysis methods are susceptible to interference caused by the complexity of sample matrices, and detector surface fouling arising from nonspecific adsorption of microorganisms (in biological samples) which leads in particular to a gradual loss of sensitivity. Imprinted materials can be used to effectively reduce interference originating in the matrices. However, the poor reproducibility and multicomponent quantification of trace antibiotics represent significant challenges to the detection process. Meanwhile, the high biological risk presented by bacterial antibiotic immunity and the persistence of antibiotics in foodstuffs, especially meat, both caused by the overuse of sulfonamide antibiotics, remain urgent issues. Here, we present the first example of a method for the accurate quantification of trace sulfa antibiotics (SAs) based on multi-template imprinted polymers (MMIPs). Levels of multiple SAs have been simultaneously successfully quantified by applying MMIP extraction coupled with UPLC-MS/MS analysis. This method shows excellent linearity of detection in the range of 0.1-500 μg L-1, and ultrasensitivity with low limits of detection of 0.03 μg L-1. The maximum SA residue recovered from sample tissues by using MMIPs was 5.48 μg g-1. MMIP-coupled UPLC-MS/MS quantification of SAs is an accurate and repeatable method for the monitoring of SA accumulation in mouse tissue samples. It also provides an effective strategy for the tracking and quantification of drugs in other biological samples.
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Affiliation(s)
- Yuanchen Liu
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China.
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Xu W, Hu Y, Wu M, Miao E, Zhou H, Zhang X, Zhan J. Determination of phenolic compounds in estuary water and sediment by solid-phase isotope dansylation coupled with liquid chromatography-high resolution mass spectrometry. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:1404-1411. [PMID: 33666211 DOI: 10.1039/d1ay00079a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
A method consisting of solid-phase isotope dansylation (derivatization with dansyl chloride) and liquid chromatography-high resolution mass spectrometry (LC-HRMS) was developed for the quantitative analysis of phenolic compounds (phenols) in environmental samples. A magnetic-HLB (hydrophilic lipophilic balanced) material was synthesized and applied as an adsorbent in magnetic solid-phase extraction (MSPE) for the enrichment of the analytical targets. Furthermore, with the solid-phase isotope labeling, the desalting and removal of labeling residuals could be simplified over conventional in-solution labeling. In addition to overcoming the matrix effect by isotope dansylation, the sensitivity for the analysis of phenols by LC-HRMS was remarkably improved by over 100-fold. The method was systematically verified, and good accuracy (86.5-104.9%) and precision (<8.6% and <11.4% for intra- and inter-day, respectively) were achieved for the tested 15 phenols. The limits of detection (LODs) of this method were estimated to be 0.2-5 ng L-1 and 5-100 ng kg-1 in estuary water and sediment samples, respectively. With this method, samples collected from the Daliao River estuary (Panjin, China) were analyzed. It was found that all of the targeted phenols were detected at concentrations ranging from unquantifiable to 485 ng L-1 (the total concentration of analytes found in each sample were in the range 822-957 ng L-1) and unquantifiable to 1368 ng kg-1 (the total concentration of analytes found in each sample were in the range 2251-2992 ng kg-1) in water and sediment, respectively.
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Affiliation(s)
- Wenxue Xu
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China.
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Zhao X, Liu X, Wang J, Liu Y, Zhang T, Chen J, Li Q, Wei Y, Xi X. Determination of polymer additives in foods and drinks packed with plastic by amino group modified magnetic mesoporous silica microspheres coupled with high performance liquid chromatography. J LIQ CHROMATOGR R T 2021. [DOI: 10.1080/10826076.2021.1895219] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Xiaoyan Zhao
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Xuerui Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Juanqiang Wang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Yuanyuan Liu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Taoyi Zhang
- Sinopec Beijing Research Institute of Chemical Industry, Beijing 100013, P.R. China
| | - Jing Chen
- Sinopec Beijing Research Institute of Chemical Industry, Beijing 100013, P.R. China
| | - Quan Li
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Yun Wei
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Xingjun Xi
- China National Institute of Standardization, Beijing 100191, P.R. China
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9
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Wu M, Miao E, Xu W, Xu W, Hu Y, Zhan J, Zhou H. Determination of estrogens by solid-phase quadruplex stable isotope dansylation coupled with liquid chromatography-high resolution mass spectrometry in environmental samples. Talanta 2020; 219:121272. [PMID: 32887162 DOI: 10.1016/j.talanta.2020.121272] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 05/28/2020] [Accepted: 05/29/2020] [Indexed: 02/08/2023]
Abstract
Estrogens distribute widely in the environment as endocrine-disrupting chemicals (EDCs), which have to be monitored to evaluate their environmental impact. Aim to improve the analytical throughput of liquid chromatography-high resolution mass spectrometry (LC-HRMS), a quadruplex stable isotope dansylation method was developed, with which three real samples could be quantitatively analyzed in one injection. As the estrogens were at trace level in complex matrices, magnetic solid-phase extraction (MSPE) was applied to enrich these analytes and remove the interfaces. By integrating MSPE and quadruplex stable isotope dansylation, a solid-phase quadruplex labeling method was developed for the LC-HRMS analysis of estrogen analogues. For the tested seven estrogens, the developed method showed low detection limits (0.1-0.5 ng/L for pond water and 0.01-0.05 μg/kg for poultry manure), good precision (RSD < 5.5%) and accuracy (96.8-108.3%). The method was applied in the determination of estrogens in environmental samples, and the results revealed that all the tested estrogens were present in the estuary water (unquantifiable to 71.2 ng/L) and chicken manure (undetectable to 25.43 μg/kg).
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Affiliation(s)
- Minghuo Wu
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China.
| | - Enming Miao
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China
| | - Wenxue Xu
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China
| | - Weiping Xu
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China
| | - Yufeng Hu
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China
| | - Jingjing Zhan
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China
| | - Hao Zhou
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China.
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Wu J, Li Y, Li W, Gong Z, Huang X. Preparation of a novel monolith-based adsorbent for solid-phase microextraction of sulfonamides in complex samples prior to HPLC-MS/MS analysis. Anal Chim Acta 2020; 1118:9-17. [DOI: 10.1016/j.aca.2020.04.035] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 04/07/2020] [Accepted: 04/14/2020] [Indexed: 01/07/2023]
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11
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Recent advances and applications of magnetic nanomaterials in environmental sample analysis. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115864] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Xie X, Huang S, Zheng J, Ouyang G. Trends in sensitive detection and rapid removal of sulfonamides: A review. J Sep Sci 2020; 43:1634-1652. [PMID: 32043724 DOI: 10.1002/jssc.201901341] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 02/03/2020] [Accepted: 02/05/2020] [Indexed: 12/15/2022]
Abstract
Sulfonamides in environmental water, food, and feed are a major concern for both aquatic ecosystems and public health, because they may lead to the health risk of drug resistance. Thus, numerous sensitive detection and rapid removal methodologies have been established. This review summarizes the sample preparation techniques and instrumental methods used for sensitive detection of sulfonamides. Additionally, adsorption and photocatalysis for the rapid removal of sulfonamides are also discussed. This review provides a comprehensive perspective on future sulfonamide analyses that have good performance, and on the basic methods for the rapid removal of sulfonamides.
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Affiliation(s)
- Xintong Xie
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Shuyao Huang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Juan Zheng
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
| | - Gangfeng Ouyang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou, P. R. China
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Miao E, Zhang N, Lu S, Hu Y, Fu L, Zhou H, Zhan J, Wu M. Solid phase “on-situ” quadraplex isotope dimethyl labeling for the analysis of biogenic amines in beers by liquid chromatography-high resolution mass spectrometry. J Chromatogr A 2020; 1613:460712. [DOI: 10.1016/j.chroma.2019.460712] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 10/22/2019] [Accepted: 11/14/2019] [Indexed: 12/13/2022]
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14
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Current trends in isotope‐coded derivatization liquid chromatographic‐mass spectrometric analyses with special emphasis on their biomedical application. Biomed Chromatogr 2020; 34:e4756. [DOI: 10.1002/bmc.4756] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 11/13/2019] [Accepted: 11/18/2019] [Indexed: 12/17/2022]
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15
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Net-like mesoporous carbon nanocomposites for magnetic solid-phase extraction of sulfonamides prior to their quantitation by UPLC-HRMS. Mikrochim Acta 2020; 187:112. [DOI: 10.1007/s00604-019-4072-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 12/06/2019] [Indexed: 12/14/2022]
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16
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Zhao Y, Wu R, Yu H, Li J, Liu L, Wang S, Chen X, Chan TWD. Magnetic solid-phase extraction of sulfonamide antibiotics in water and animal-derived food samples using core-shell magnetite and molybdenum disulfide nanocomposite adsorbent. J Chromatogr A 2020; 1610:460543. [DOI: 10.1016/j.chroma.2019.460543] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 09/10/2019] [Accepted: 09/14/2019] [Indexed: 01/19/2023]
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17
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Liu Z, Craven CB, Huang G, Jiang P, Wu D, Li XF. Stable Isotopic Labeling and Nontarget Identification of Nanogram/Liter Amino Contaminants in Water. Anal Chem 2019; 91:13213-13221. [DOI: 10.1021/acs.analchem.9b03642] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Zhongshan Liu
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta T6G 2G3, Canada
| | - Caley B. Craven
- Department of Chemistry, Faculty of Science, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Guang Huang
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta T6G 2G3, Canada
| | - Ping Jiang
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta T6G 2G3, Canada
| | - Di Wu
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta T6G 2G3, Canada
| | - Xing-Fang Li
- Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta T6G 2G3, Canada
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Fu L, Zhou H, Miao E, Lu S, Jing S, Hu Y, Wei L, Zhan J, Wu M. Functionalization of amino terminated carbon nanotubes with isocyanates for magnetic solid phase extraction of sulfonamides from milk and their subsequent determination by liquid chromatography-high resolution mass spectrometry. Food Chem 2019; 289:701-707. [PMID: 30955669 DOI: 10.1016/j.foodchem.2019.03.097] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 03/13/2019] [Accepted: 03/19/2019] [Indexed: 10/27/2022]
Abstract
A simple modification method was developed for the functionalization of amino terminated carbon nanotubes (CNT-NH2) by using isocyanates as modifiers via the nucleophilic addition reaction. Two types of functionalized magnetic carbon nanotubes (MCNT) were prepared through deposition of magnetic nanoparticles on CNT-NH2 and modification with different isocyanates. p-Tolyl-functionalized MCNT (Tol-MCNT) with better adsorption performance were selected as adsorbent for magnetic solid phase extraction (MSPE), which could extract sulfonamides (SAs) from various milk samples with a enrichment factor of about 30 after optimization. By combining the MSPE with liquid chromatography-high resolution mass spectrometry (LC-HRMS), a new method was developed. Both skimmed and whole milk samples of three brands were analyzed with this method, and 4 SAs including sulfadiazine, sulfisomidine, sulfamethazine and sulfameter were detected with the concentration from unquantifiable to 72 ng/L, which were all well below the maximum residue limits in milk according to the regulations of China and EU.
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Affiliation(s)
- Lin Fu
- School of Food and Environment, Dalian University of Technology, Panjin 124221, China
| | - Hao Zhou
- School of Food and Environment, Dalian University of Technology, Panjin 124221, China
| | - Enming Miao
- School of Food and Environment, Dalian University of Technology, Panjin 124221, China
| | - Shiwei Lu
- School of Food and Environment, Dalian University of Technology, Panjin 124221, China
| | - Siyuan Jing
- School of Food and Environment, Dalian University of Technology, Panjin 124221, China
| | - Yufeng Hu
- School of Food and Environment, Dalian University of Technology, Panjin 124221, China
| | - Lijuan Wei
- Instrumental Analysis & Research Center, Dalian University of Technology, Panjin 124221, China
| | - Jingjing Zhan
- School of Food and Environment, Dalian University of Technology, Panjin 124221, China
| | - Minghuo Wu
- School of Food and Environment, Dalian University of Technology, Panjin 124221, China.
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