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Zhang Y, Wang J, Liu F, Wang L, Gao G. Preparation of cylindrical Chitosan/β-Cyclodextrin/MIL-68(Al) foam column for solid-phase extraction of sulfonamides in water, urine, and milk. J Chromatogr A 2024; 1730:465130. [PMID: 38955130 DOI: 10.1016/j.chroma.2024.465130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 06/25/2024] [Accepted: 06/28/2024] [Indexed: 07/04/2024]
Abstract
This study describes the preparation of a cylindrical polymer foam column termed Chitosan/β-Cyclodextrin/MIL-68(Al) (CS/β-CD/MIL-68(Al)). An ice template-freeze drying technique was employed to prepare the CS/β-CD/MIL-68(Al) foam column by embedding MIL-68(Al) in a polymer matrix comprising cross-linked chitosan (CS) and β-cyclodextrin (β-CD). The cylindrical CS/β-CD/MIL-68(Al) foam was subsequently inserted into a syringe to develop a solid phase extraction (SPE) device. Without the requirement for an external force, the sample solution passed easily through the SPE column thanks to the porous structure of the CS/β-CD/MIL-68(Al) foam column. Moreover, the CS/β-CD/MIL-68(Al) foam column was thought to be a superior absorbent for SPE since it included the adsorptive benefits of CS, β-CD, and MIL-68(Al). The SPE was utilized in conjunction with high-performance liquid chromatography to analyze six sulfonamides found in milk, urine, and water. With matrix effects ranging from 80.49 % to 104.9 % with RSD values of 0.4-14.0 %, the method showed high recoveries ranging from 80.6 to 107.4 % for water samples, 93.4-105.2 % for urine, and 87.4-100.9 % for milk. It also demonstrated good linearity in the range of 10-258 ng·mL-1 with the limits of detection ranging from 1.88 to 2.58 ng·mL-1. The cylindrical CS/β-CD/MIL-68(Al) foam column prepared in this work offered several advantages, including its simple fabrication, excellent water stability, absence of pollutants, biodegradability, and reusability. It is particularly well-suited for SPE. Furthermore, the developed SPE method, employing CS/β-CD/MIL-68(Al) foam column, is straightforward and precise, and its benefits, including affordability, ease of preparation, lack of specialized equipment, and solvent economy, underline its broad applicability for the pretreatment of aqueous samples.
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Affiliation(s)
- Yong Zhang
- School of Pharmacy, Jining Medical University, No. 669, Xueyuan Road, Donggang District, Rizhao, Shandong Province, 276826, PR China
| | - Jing Wang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, No. 4655, University Road, University Science Park, Changqing District, Jinan, Shandong Province, PR China
| | - Fubin Liu
- School of Pharmacy, Jining Medical University, No. 669, Xueyuan Road, Donggang District, Rizhao, Shandong Province, 276826, PR China
| | - Litao Wang
- School of Pharmacy, Jining Medical University, No. 669, Xueyuan Road, Donggang District, Rizhao, Shandong Province, 276826, PR China.
| | - Guihua Gao
- School of Pharmacy, Jining Medical University, No. 669, Xueyuan Road, Donggang District, Rizhao, Shandong Province, 276826, PR China.
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Liu Y, Zhang Y, Wang J, Wang K, Gao S, Cui R, Liu F, Gao G. Preparation of COPs Mixed Matrix Membrane for Sensitive Determination of Six Sulfonamides in Human Urine. Molecules 2023; 28:7336. [PMID: 37959757 PMCID: PMC10649119 DOI: 10.3390/molecules28217336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 10/26/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023] Open
Abstract
In this study, TpDMB-COPs, a specific class of covalent organic polymers (COPs), was synthesized using Schiff-base chemistry and incorporated into a polyvinylidene fluoride (PVDF) polymer for the first time to prepare COPs mixed matrix membranes (TpDMB-COPs-MMM). A membrane solid-phase extraction (ME) method based on the TpDMB-COPs-MMM was developed to extract trace levels of six sulfonamides from human urine identified by high-performance liquid chromatography (HPLC). The key factors affecting the extraction efficiency were investigated. Under the optimum conditions, the proposed method demonstrated an excellent linear relationship in the range of 3.5-25 ng/mL (r2 ≥ 0.9991), with the low limits of detection (LOD) between 1.25 ng/mL and 2.50 ng/mL and the limit of quantification (LOQ) between 3.50 ng/mL and 7.00 ng/mL. Intra-day and inter-day accuracies were below 5.0%. The method's accuracy was assessed by recovery experiments using human urine spiked at three levels (7-14 ng/mL, 10-15 ng/mL, and 16-20 ng/mL). The recoveries ranged from 87.4 to 112.2% with relative standard deviations (RSD) ≤ 8.7%, confirming the applicability of the proposed method. The developed ME method based on TpDMB-COPs-MMM offered advantages, including simple operation, superior extraction affinity, excellent recycling performance, and easy removal and separation from the solution. The prepared TpDMB-COPs-MMM was demonstrated to be a promising adsorbent for ME in the pre-concentration of trace organic compounds from complex matrices, expanding the application of COPs and providing references for other porous materials in sample pre-treatment.
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Affiliation(s)
- Ying Liu
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
| | - Yong Zhang
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
| | - Jing Wang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China;
| | - Kexin Wang
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
| | - Shuming Gao
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
| | - Ruiqi Cui
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
| | - Fubin Liu
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
| | - Guihua Gao
- School of Pharmacy, Jining Medical University, Rizhao 276826, China; (Y.L.); (Y.Z.); (K.W.); (S.G.); (R.C.); (F.L.)
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Nguyen TT, Nguyen TP, Tran LN, Huynh TTT, Nguyen NH, Nguyen LHT, Le TTM, Doan TLH, Nguyen MA, Tran PH. DABCOnium Ionic Liquid‐Immobilized Silica Gel for Solid Phase Extraction of Phenoxyacetic Acid Herbicides in Water Samples**. ChemistrySelect 2022. [DOI: 10.1002/slct.202203526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- The Thai Nguyen
- Department of Organic Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
| | - Thinh Phuc Nguyen
- Department of Analytical Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
| | - Long Nam Tran
- Department of Analytical Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
| | - Tam Thanh Thi Huynh
- Department of Organic Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
| | - Nhi Hoang Nguyen
- Department of Organic Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
| | - Linh Ho Thuy Nguyen
- Department of Analytical Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Center for Innovative Materials and Architectures (INOMAR) Ho Chi Minh City Vietnam
| | - Tien Thi My Le
- Department of Analytical Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Center for Innovative Materials and Architectures (INOMAR) Ho Chi Minh City Vietnam
| | - Tan Le Hoang Doan
- Department of Analytical Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Center for Innovative Materials and Architectures (INOMAR) Ho Chi Minh City Vietnam
| | - Mai Anh Nguyen
- Department of Analytical Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
| | - Phuong Hoang Tran
- Department of Organic Chemistry Faculty of Chemistry University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
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Nguyen TT, Huynh TTT, Nguyen NH, Nguyen TH, Tran PH. Recent advances in the application of ionic liquid-modified silica gel in solid-phase extraction. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Badawy MEI, El-Nouby MAM, Kimani PK, Lim LW, Rabea EI. A review of the modern principles and applications of solid-phase extraction techniques in chromatographic analysis. ANAL SCI 2022; 38:1457-1487. [PMID: 36198988 PMCID: PMC9659506 DOI: 10.1007/s44211-022-00190-8] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 09/08/2022] [Indexed: 11/25/2022]
Abstract
Analytical processes involving sample preparation, separation, and quantifying analytes in complex mixtures are indispensable in modern-day analysis. Each step is crucial to enriching correct and informative results. Therefore, sample preparation is the critical factor that determines both the accuracy and the time consumption of a sample analysis process. Recently, several promising sample preparation approaches have been made available with environmentally friendly technologies with high performance. As a result of its many advantages, solid-phase extraction (SPE) is practiced in many different fields in addition to the traditional methods. The SPE is an alternative method to liquid-liquid extraction (LLE), which eliminates several disadvantages, including many organic solvents, a lengthy operation time and numerous steps, potential sources of error, and high costs. SPE advanced sorbent technology reorients with various functions depending on the structure of extraction sorbents, including reversed-phase, normal-phase, cation exchange, anion exchange, and mixed-mode. In addition, the commercial SPE systems are disposable. Still, with the continual developments, the restricted access materials (RAM) and molecular imprinted polymers (MIP) are fabricated to be active reusable extraction cartridges. This review will discuss all the theoretical and practical principles of the SPE techniques, focusing on packing materials, different forms, and performing factors in recent and future advances. The information about novel methodological and instrumental solutions in relation to different variants of SPE techniques, solid-phase microextraction (SPME), in-tube solid-phase microextraction (IT-SPME), and magnetic solid-phase extraction (MSPE) is presented. The integration of SPE with analytical chromatographic techniques such as LC and GC is also indicated. Furthermore, the applications of these techniques are discussed in detail along with their advantages in analyzing pharmaceuticals, biological samples, natural compounds, pesticides, and environmental pollutants, as well as foods and beverages.
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Affiliation(s)
- Mohamed E I Badawy
- Department of Pesticide Chemistry and Technology, Laboratory of Pesticide Residues Analysis, Faculty of Agriculture, Alexandria University, Aflatoun St., 21545-El-Shatby, Alexandria, Egypt.
| | - Mahmoud A M El-Nouby
- Department of Pesticide Chemistry and Technology, Laboratory of Pesticide Residues Analysis, Faculty of Agriculture, Alexandria University, Aflatoun St., 21545-El-Shatby, Alexandria, Egypt
- Department of Engineering, Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Paul K Kimani
- Department of Engineering, Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Lee W Lim
- International Joint Department of Materials Science and Engineering Between National University of Malaysia and Gifu University, Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Entsar I Rabea
- Department of Plant Protection, Faculty of Agriculture, Damanhour University, Damanhour, 22516, Egypt
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Fikarová K, Machián D, Yıldırım S, Solich P, Horstkotte B. Automated centrifugation-less milk deproteinization and homogenous liquid-liquid extraction of sulfonamides for online liquid chromatography. Anal Chim Acta 2022; 1233:340507. [DOI: 10.1016/j.aca.2022.340507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/06/2022] [Accepted: 10/09/2022] [Indexed: 11/01/2022]
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7
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Lis H, Paszkiewicz M, Godlewska K, Maculewicz J, Kowalska D, Stepnowski P, Caban M. Ionic liquid-based functionalized materials for analytical chemistry. J Chromatogr A 2022; 1681:463460. [DOI: 10.1016/j.chroma.2022.463460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 08/26/2022] [Accepted: 08/29/2022] [Indexed: 11/25/2022]
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Abstract
Ionic liquids (ILs) are a group of non-conventional salts with melting points below 100 °C. Apart from their negligible vapor pressure at room temperature, high thermal stability, and impressive solvation properties, ILs are characterized by their tunability. Given such nearly infinite combinations of cations and anions, and the easy modification of their structures, ILs with specific properties can be synthesized. These characteristics have attracted attention regarding their use as extraction phases in analytical sample preparation methods, particularly in liquid-phase extraction methods. Given the liquid nature of most common ILs, their incorporation in analytical sample preparation methods using solid sorbents requires the preparation of solid derivatives, such as polymeric ILs, or the combination of ILs with other materials to prepare solid IL-based composites. In this sense, many solid composites based on ILs have been prepared with improved features, including magnetic particles, carbonaceous materials, polymers, silica materials, and metal-organic frameworks, as additional materials forming the composites. This review aims to give an overview on the preparation and applications of IL-based composites in analytical sample preparation in the period 2017–2020, paying attention to the role of the IL material in those composites to understand the effect of the individual components in the sorbent.
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Treder N, Bączek T, Wychodnik K, Rogowska J, Wolska L, Plenis A. The Influence of Ionic Liquids on the Effectiveness of Analytical Methods Used in the Monitoring of Human and Veterinary Pharmaceuticals in Biological and Environmental Samples-Trends and Perspectives. Molecules 2020; 25:E286. [PMID: 31936806 PMCID: PMC7024248 DOI: 10.3390/molecules25020286] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 12/27/2019] [Accepted: 01/08/2020] [Indexed: 02/06/2023] Open
Abstract
Recent years have seen the increased utilization of ionic liquids (ILs) in the development and optimization of analytical methods. Their unique and eco-friendly properties and the ability to modify their structure allows them to be useful both at the sample preparation stage and at the separation stage of the analytes. The use of ILs for the analysis of pharmaceuticals seems particularly interesting because of their systematic delivery to the environment. Nowadays, they are commonly detected in many countries at very low concentration levels. However, due to their specific physiological activity, pharmaceuticals are responsible for bioaccumulation and toxic effects in aquatic and terrestrial ecosystems as well as possibly upsetting the body's equilibrium, leading to the dangerous phenomenon of drug resistance. This review will provide a comprehensive summary of the use of ILs in various sample preparation procedures and separation methods for the determination of pharmaceuticals in environmental and biological matrices based on liquid-based chromatography (LC, SFC, TLC), gas chromatography (GC) and electromigration techniques (e.g., capillary electrophoresis (CE)). Moreover, the advantages and disadvantages of ILs, which can appear during extraction and separation, will be presented and attention will be given to the criteria to be followed during the selection of ILs for specific applications.
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Affiliation(s)
- Natalia Treder
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107, 80-416 Gdańsk, Poland; (N.T.); (T.B.)
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107, 80-416 Gdańsk, Poland; (N.T.); (T.B.)
| | - Katarzyna Wychodnik
- Department of Environmental Toxicology, Faculty of Health Sciences with Institute of Maritime and Tropical Medicine, Medical University of Gdańsk, Dębowa 23 A, 80-204 Gdańsk, Poland; (K.W.); (J.R.); (L.W.)
| | - Justyna Rogowska
- Department of Environmental Toxicology, Faculty of Health Sciences with Institute of Maritime and Tropical Medicine, Medical University of Gdańsk, Dębowa 23 A, 80-204 Gdańsk, Poland; (K.W.); (J.R.); (L.W.)
| | - Lidia Wolska
- Department of Environmental Toxicology, Faculty of Health Sciences with Institute of Maritime and Tropical Medicine, Medical University of Gdańsk, Dębowa 23 A, 80-204 Gdańsk, Poland; (K.W.); (J.R.); (L.W.)
| | - Alina Plenis
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107, 80-416 Gdańsk, Poland; (N.T.); (T.B.)
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Li Juan Y, Ci Dan ZX, Liao QG, Da Wen Z, Lin Guang L. Pipette-tip solid-phase extraction using cetyltrimethylammonium bromide enhanced molybdenum disulfide nanosheets as an efficient adsorbent for the extraction of sulfonamides in environmental water samples. J Sep Sci 2019; 43:905-911. [PMID: 31778034 DOI: 10.1002/jssc.201900871] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 11/22/2019] [Accepted: 11/24/2019] [Indexed: 02/06/2023]
Abstract
Surfactant cetyltrimethylammonium bromide enhanced molybdenum disulfide was used as an adsorbent in pipette-tip solid-phase extraction for the pretreatment of sulfonamides in environmental water samples. The factors affecting the extraction recoveries of the analytes, including the sample pH value, amount of sorbent, type and volume of eluent solution, and salt concentration were optimized. This pipette-tip solid-phase extraction method demonstrated good linearity (0.05-10.0 µg/L) with a coefficient of determination of 0.9984-0.9996, limit of detection (0.2-0.4 ng/L) and limit of quantitation (0.5-1.0 ng/L), good analyte recoveries (76-91), and acceptable limit of quantitation (<10%) under the optimized conditions. These results indicated that the proposed method was a good tool for monitoring sulfonamides in environmental water samples.
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Affiliation(s)
- Yuan Li Juan
- Agricultural product quality safety and standards institute, Jiangxi academy of agricultural sciences, Nanchang, P. R. China
| | - Zha Xi Ci Dan
- Institute of Agricultural Quality Standards and Testing, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, P. R. China
| | - Qie Gen Liao
- Agricultural product quality safety and standards institute, Jiangxi academy of agricultural sciences, Nanchang, P. R. China
| | - Zhang Da Wen
- Agricultural product quality safety and standards institute, Jiangxi academy of agricultural sciences, Nanchang, P. R. China
| | - Luo Lin Guang
- Agricultural product quality safety and standards institute, Jiangxi academy of agricultural sciences, Nanchang, P. R. China
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Chen Y, Xia L, Liang R, Lu Z, Li L, Huo B, Li G, Hu Y. Advanced materials for sample preparation in recent decade. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.115652] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Wu Y, Zhou J, Wang X, Zhang Z, Gao S. Ionic Liquid-based Hollow Fiber Liquid–Liquid–Liquid Microextraction Combined with Capillary Electrophoresis for the Determination of Sulfonamides in Aquaculture Waters. J Chromatogr Sci 2019; 57:950-960. [DOI: 10.1093/chromsci/bmz053] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 05/03/2019] [Accepted: 06/07/2019] [Indexed: 11/14/2022]
Abstract
Abstract
Ionic liquid-based hollow-fiber liquid–liquid–liquid microextraction (IL-HF-LLLME) coupled to capillary electrophoresis (CE) has been developed for the determination of six sulfonamides (SAs) in aquaculture waters. A series of extraction parameters was optimized to enhance the extraction efficiency, which included type and pore size of hollow fiber, type and composition of extraction solvent, pH value of donor phase, the concentration of acceptor phase and the mass ratio of donor phase to acceptor phase along with extraction temperature and time. Under optimal conditions, the IL-HF-LLLME-CE method provided a wide liner range for six SAs from 2 to 1,000 μg L−1 (r2 ≥ 0.9995), the limits of the detection from 0.25 to 0.48 and the enrichment factors from 122 to 230, respectively. Relative standard deviations for intra- and interday precision were 1.4–5.3% and 1.8–7.5% (n = 5), respectively. The proposed method was successfully applied for the determination of trace-level SAs in seven real-world aquaculture water samples with good recoveries (80.4–100.7%). Also, sulfamerazine and sulfamethoxazole were detected at the level of 0.52–1.60 μg L−1 in two water samples. Due to its good sensitivity, simple operation, short analysis time and eco-friendliness, the developed method has a great application potential in analysis of trace SA residues in aquaculture waters.
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Affiliation(s)
- Youyi Wu
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
- Jiangsu Key Laboratory of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Jingwen Zhou
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
- Jiangsu Key Laboratory of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Xuedong Wang
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Zhanen Zhang
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
- Jiangsu Key Laboratory of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Shiqian Gao
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
- Jiangsu Key Laboratory of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
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14
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Franco MS, Padovan RN, Fumes BH, Palmer CP, McGettrick JR, Lanças FM. Silica modified with polymeric amphiphilic nanoparticles as first dimension for multidimensional separation techniques. J Chromatogr A 2019; 1597:149-158. [DOI: 10.1016/j.chroma.2019.03.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 03/15/2019] [Accepted: 03/16/2019] [Indexed: 10/27/2022]
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15
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A hybrid material prepared by controlled growth of a covalent organic framework on amino-modified MIL-68 for pipette tip solid-phase extraction of sulfonamides prior to their determination by HPLC. Mikrochim Acta 2019; 186:393. [DOI: 10.1007/s00604-019-3513-7] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 05/16/2019] [Indexed: 12/16/2022]
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16
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Current Trends in Fully Automated On-Line Analytical Techniques for Beverage Analysis. BEVERAGES 2019. [DOI: 10.3390/beverages5010013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The determination of target analytes in complex matrices such as beverages requires a series of analytical steps to obtain a reliable analysis. This critical review presents the current trends in sample preparation techniques based on solid phase extraction miniaturization, automation and on-line coupling. Techniques discussed include solid-phase extraction (SPE), solid-phase microextraction (SPME), in-tube solid-phase microextraction (in-tube SPME) and turbulent-flow chromatography (TFC). Advantages and limitations, as well as several of their main applications in beverage samples are discussed. Finally, fully automated on-line systems that involve extraction, chromatographic separation, and tandem mass spectrometry in one-step are introduced and critically reviewed.
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Gao PS, Guo Y, Li X, Wang X, Wang J, Qian F, Gu H, Zhang Z. Magnetic solid phase extraction of sulfonamides based on carboxylated magnetic graphene oxide nanoparticles in environmental waters. J Chromatogr A 2018; 1575:1-10. [DOI: 10.1016/j.chroma.2018.09.015] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 09/01/2018] [Accepted: 09/08/2018] [Indexed: 02/03/2023]
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18
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Maciel EVS, de Toffoli AL, Lanças FM. Current status and future trends on automated multidimensional separation techniques employing sorbent-based extraction columns. J Sep Sci 2018; 42:258-272. [PMID: 30289207 DOI: 10.1002/jssc.201800824] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 09/14/2018] [Accepted: 09/14/2018] [Indexed: 01/19/2023]
Abstract
Determination of target analytes present in complex matrices requires a suitable sample preparation approach to efficiently remove the analytes of interest from a medium containing several interferers while at the same time preconcentrating them aiming to improve the output signal detection. Online multidimensional solid-phase separation techniques have been widely used for the analysis of different contaminants in complex matrices such as food, environmental, and biological samples, among others. These online techniques usually consist of two steps performed in two different columns (extraction and analytical column), the first being employed to extract the analytes of interest from the original medium and the latter to separate them from the interferers. The extraction column in multidimensional techniques presents a relevant role since their variations as building material (usually a tube), sorbent material, modes of application, and so on can significantly influence the extraction success. The main features of such columns are subject of constant research aiming improvements directly related to the performance of the separation techniques that utilize multidimensional analysis. The present review highlights the main features of extraction columns online coupled to chromatographic techniques, inclusive for in-tube solid-phase microextraction, online solid phase and turbulent flow, aiming the determination of analytes present at very low concentrations in complex matrices. It will critically describe and discuss some of the most common instrumental set up as well as comments on recent applications of these multidimensional techniques. Besides that, the authors have described some properties and enhancements of the extraction columns that are used as first dimension on these systems, such as type of column material (poly (ether ether ketone), fused silica, stainless steel, and other materials) and the way that the extractive phase is accommodated inside the tubing (filled and open tubular). Practical applications of this approach in fields such as environment, food, and bioanalysis are also presented and discussed.
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Affiliation(s)
| | - Ana Lúcia de Toffoli
- University of São Paulo, São Carlos, Institute of Chemistry of São Carlos, SP, Brazil
| | - Fernando Mauro Lanças
- University of São Paulo, São Carlos, Institute of Chemistry of São Carlos, SP, Brazil
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