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Xiong J, Tian L, Shen X, Huang C. Comparison of the applicability of electromembrane extraction and liquid-phase microextraction for extraction of non-polar basic drugs from different biological samples: Using clozapine as the model analyte. J Sep Sci 2024; 47:e2300745. [PMID: 38356226 DOI: 10.1002/jssc.202300745] [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: 10/08/2023] [Revised: 01/10/2024] [Accepted: 01/24/2024] [Indexed: 02/16/2024]
Abstract
Understanding and comparing the applicability of electromembrane extraction (EME) and liquid-phase microextraction (LPME) is crucial for selecting an appropriate microextraction approach. In this work, EME and LPME based on supported liquid membranes were compared using biological samples, including whole blood, urine, saliva, and liver tissue. After optimization, efficient EME and LPME of clozapine from four biological samples were achieved. EME provided higher recovery and faster mass transfer for blood and liver tissue than LPME. These advantages were attributed to the electric field disrupting clozapine binding to interfering substances. For urine and saliva, EME demonstrated similar recoveries while achieving faster mass transfer rates. Finally, efficient EME and LPME were validated and evaluated combined with liquid chromatography-tandem mass spectrometry (LC-MS/MS). The coefficient of determination of all methods was greater than 0.999, and all methods showed acceptable reproducibility (≤14%), accuracy (90%-110%), and matrix effect (85%-112%). For liver and blood with high viscosity and complex matrices, EME-LC-MS/MS provided better sensitivity than LPME-LC-MS/MS. The above results indicated that both EME and LPME could be used to isolate non-polar basic drugs from different biological samples, although EME demonstrated higher recovery rates for liver tissue and blood.
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Affiliation(s)
- Jianhua Xiong
- Department of Forensic Medicine, Huazhong University of Science and Technology, Wuhan, China
| | - Linxin Tian
- Department of Forensic Medicine, Huazhong University of Science and Technology, Wuhan, China
| | - Xiantao Shen
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Huazhong University of Science and Technology, Wuhan, China
| | - Chuixiu Huang
- Department of Forensic Medicine, Huazhong University of Science and Technology, Wuhan, China
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2
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Ocaña-González JA, Aranda-Merino N, Pérez-Bernal JL, Ramos-Payán M. Solid supports and supported liquid membranes for different liquid phase microextraction and electromembrane extraction configurations. A review. J Chromatogr A 2023; 1691:463825. [PMID: 36731330 DOI: 10.1016/j.chroma.2023.463825] [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: 07/31/2022] [Revised: 01/09/2023] [Accepted: 01/22/2023] [Indexed: 01/29/2023]
Abstract
Liquid phase microextraction (LPME) and electromembrane microextraction (EME) can be considered as two of the most popular techniques in sample treatment today. Both techniques can be configurated as membrane-assisted techniques to carry out the extraction. These supports provide the required geometry and stability on the contact surface between two phases (donor and acceptor) and improve the reproducibility of sample treatment techniques. These solid support pore space, once is filled with organic solvents, act as a selective barrier acting as a supported liquid membrane (SLM). The SLM nature is a fundamental parameter, and its selection is critical to carry out successful extractions. There are numerous SLMs that have been successfully employed in a wide variety of application fields. The latter is due to the specificity of the selected organic solvents, which allows the extraction of compounds of a very different nature. In the last decade, solid supports and SLM have evolved towards "green" and environmentally friendly materials and solvents. In this review, solid supports implemented in LPME and EME will be discussed and summarized, as well as their applications. Moreover, the advances and modifications of the solid supports and the SLMs to improve the extraction efficiencies, recoveries and enrichment factors are discussed. Hollow fiber and flat membranes, including microfluidic systems, will be considered depending on the technique, configuration, or device used.
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Affiliation(s)
- Juan Antonio Ocaña-González
- Department of Analytical Chemistry, Faculty of Chemistry, University of Seville, c/Prof. García González s/n, 41012 Seville, Spain
| | - Noemí Aranda-Merino
- Department of Analytical Chemistry, Faculty of Chemistry, University of Seville, c/Prof. García González s/n, 41012 Seville, Spain
| | - Juan Luis Pérez-Bernal
- Department of Analytical Chemistry, Faculty of Chemistry, University of Seville, c/Prof. García González s/n, 41012 Seville, Spain
| | - María Ramos-Payán
- Department of Analytical Chemistry, Faculty of Chemistry, University of Seville, c/Prof. García González s/n, 41012 Seville, Spain.
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3
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Hoseininezhad-Namin MS, Ozkan SA, Rahimpour E, Jouyban A. Development of a β-cyclodextrin-modified gold nanoparticle-assisted electromembrane extraction method followed by capillary electrophoresis for methadone determination in plasma. RSC Adv 2022; 12:33936-33944. [PMID: 36505701 PMCID: PMC9702798 DOI: 10.1039/d2ra06419g] [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: 10/11/2022] [Accepted: 11/11/2022] [Indexed: 11/29/2022] Open
Abstract
In this study, gold nanoparticles (AuNPs) modified with β-cyclodextrin (β-CD) were used to assist with electromembrane extraction (EME) and were coupled with capillary electrophoresis (CE) and ultraviolet (UV) detection (CE-UV) for the extraction and measurement of methadone from plasma samples. A β-CD-modified AuNP-reinforced hollow fiber (HF) was utilized in this work. The β-CD-modified AuNPs act as an absorbent and provide an extra pathway for the analyte extraction. For obtaining the effect of the presence of β-CD-modified AuNPs in the HF pores, the extraction efficiency of the EME and β-CD-modified AuNPs/EME techniques were compared. Different parameters influencing the extraction efficacy of the EME and β-CD-modified AuNPs/EME methods were optimized. Optimal extractions were performed with 1-octanol as the organic solvent in the supported liquid membrane (SLM), with an applied voltage of 10 V as the driving force across the SLM, and with pH 7.0 in the donor solutions with a stirring speed of 1000 rpm after 20 min and 25 min for the β-CD-modified AuNPs/EME and EME methods, respectively. Under optimal conditions, compared with the EME method, the β-CD-modified AuNPs/EME method exhibited increased extraction efficacy in a short time. The β-CD-modified AuNPs/EME technique demonstrated a lower limit of detection (5.0 ng mL-1), higher extraction recovery (68%), and a more optimal preconcentration factor (135). Furthermore, this method was successfully utilized for measuring methadone in real plasma samples.
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Affiliation(s)
- Mir Saleh Hoseininezhad-Namin
- Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical SciencesTabrizIran,Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical SciencesTabrizIran
| | - Sibel Aysil Ozkan
- Ankara University, Faculty of Pharmacy, Department of Analytical ChemistryAnkaraTurkey
| | - Elaheh Rahimpour
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical SciencesTabrizIran,Infectious and Tropical Diseases Research Center, Tabriz University of Medical SciencesTabrizIran
| | - Abolghasem Jouyban
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical SciencesTabrizIran,Faculty of Pharmacy, Near East UniversityP.O. Box 99138 Nicosia, North CyprusMersin 10Turkey
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Wan L, Gao H, Liu X, Gao S, Zhou L, Wang F, Chen M. Electromembrane extraction of clenbuterol from swine urine for monitoring illegal use in livestock. J Sep Sci 2022; 45:3966-3973. [PMID: 36040857 DOI: 10.1002/jssc.202200469] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/20/2022] [Accepted: 08/24/2022] [Indexed: 11/10/2022]
Abstract
The illegal use of clenbuterol seriously endangers food safety and human health. Accurate monitoring the illegal use of clenbuterol in livestock can efficiently prevent the clenbuterol residue pork products from entering the consumer market. Thus, in this study, a simple, rapid and sensitive method for the determination of clenbuterol in swine urine was developed using electromembrane extraction combined with liquid chromatography-tandem mass spectrometry. It should be noted that the electromembrane extraction method presented many advantages of simple operation, fast mass transfer rate, good sample clean-up capability and less organic solvent consumption. The effect of important factors on the extraction efficiency of clenbuterol was investigated. Under the optimal conditions, good linearity was achieved for clenbuterol over the range of 1-1000 ng/mL (R2 = 0.9996). The recoveries of clenbuterol in swine urine at three spiked levels ranged from 83.7 to 110.0% with relative standard deviation values lower than 9.7% (n = 4). Limits of detection and quantification for clenbuterol were 0.07 and 0.25 ng/mL, respectively. These results suggested that the proposed method has great potential on the extraction and determination of trace analyte in complex sample matrix for monitoring the illegal use in livestock. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Libin Wan
- Institute of Business Scientific, Henan Academy of Sciences, Zhengzhou, PR China
| | - Haidong Gao
- Institute of Business Scientific, Henan Academy of Sciences, Zhengzhou, PR China
| | - Xiao Liu
- Institute of Business Scientific, Henan Academy of Sciences, Zhengzhou, PR China
| | - Shucai Gao
- Institute of Business Scientific, Henan Academy of Sciences, Zhengzhou, PR China
| | - Li Zhou
- Institute of Business Scientific, Henan Academy of Sciences, Zhengzhou, PR China
| | - Fayun Wang
- Institute of Business Scientific, Henan Academy of Sciences, Zhengzhou, PR China
| | - Mantang Chen
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, PR China
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Chen M, Qin Y, Wang S, Liu S, Zhao G, Lu H, Cui H, Cai J, Wang X, Yan Q, Hua C, Xie F, Wan L. Electromembrane extraction of nicotine in inhaled aerosols from tobacco cigarettes, electronic cigarettes, and heated tobacco products. J Chromatogr B Analyt Technol Biomed Life Sci 2022; 1208:123391. [PMID: 35908439 DOI: 10.1016/j.jchromb.2022.123391] [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: 04/25/2022] [Revised: 06/28/2022] [Accepted: 07/23/2022] [Indexed: 11/30/2022]
Abstract
Heated tobacco products and electronic cigarettes are considered as alternatives to traditional tobacco cigarettes. However, it is crucial to monitor and compare the nicotine concentration in inhaled aerosols from these tobacco products, owing to the addictive nature and adverse effects of nicotine on human health. This study aimed to provide an electromembrane extraction (EME) combined liquid chromatography method to extract and determine nicotine in different inhaled aerosols. EME showed high extraction efficiency, selectivity, and sample clean-up capability. Under the optimal parameters, the linear range for nicotine was 0.1-200 mg L-1 (r2 > 0.9998), and the limit of detection was 0.02 mg L-1. Good precision was obtained with the intra- and inter-day relative standard deviations of 2.2 % and 2.8 %, respectively. Repeatability was satisfactory (<7.7 %), and recoveries ranged from 81.0 % to 112.8 %. Finally, this method has been successfully used for the determination and comparison of nicotine in aerosols from these three tobacco products.
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Affiliation(s)
- Mantang Chen
- Zhengzhou Tobacco Research Institute of CNTC, Fengyang Street #2, Zhengzhou, Henan 450001, PR China
| | - Yaqiong Qin
- Zhengzhou Tobacco Research Institute of CNTC, Fengyang Street #2, Zhengzhou, Henan 450001, PR China
| | - Sheng Wang
- Zhengzhou Tobacco Research Institute of CNTC, Fengyang Street #2, Zhengzhou, Henan 450001, PR China
| | - Shaofeng Liu
- Zhengzhou Tobacco Research Institute of CNTC, Fengyang Street #2, Zhengzhou, Henan 450001, PR China
| | - Ge Zhao
- Zhengzhou Tobacco Research Institute of CNTC, Fengyang Street #2, Zhengzhou, Henan 450001, PR China
| | - Hongliang Lu
- Technology Center of China Tobacco Fujian Industrial Co., LTD, Binshui Road #298, Xiamen 361021, PR China
| | - Huapeng Cui
- Zhengzhou Tobacco Research Institute of CNTC, Fengyang Street #2, Zhengzhou, Henan 450001, PR China
| | - Junlan Cai
- Zhengzhou Tobacco Research Institute of CNTC, Fengyang Street #2, Zhengzhou, Henan 450001, PR China
| | - Xiaoyu Wang
- Zhengzhou Tobacco Research Institute of CNTC, Fengyang Street #2, Zhengzhou, Henan 450001, PR China
| | - Quanping Yan
- Zhengzhou Tobacco Research Institute of CNTC, Fengyang Street #2, Zhengzhou, Henan 450001, PR China
| | - Chenfeng Hua
- Zhengzhou Tobacco Research Institute of CNTC, Fengyang Street #2, Zhengzhou, Henan 450001, PR China
| | - Fuwei Xie
- Zhengzhou Tobacco Research Institute of CNTC, Fengyang Street #2, Zhengzhou, Henan 450001, PR China.
| | - Libin Wan
- Institute of Business Scientific, Henan Academy of Sciences, Wenhua Road #87, Zhengzhou, Henan 450003, PR China.
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Behpour M, Maghsoudi M, Nojavan S. Analysis of methamphetamine, methadone, tramadol, and buprenorphine in biological samples by ion mobility spectrometry after electromembrane extraction in tandem with slug flow microextraction. J Chromatogr A 2022; 1678:463355. [PMID: 35908513 DOI: 10.1016/j.chroma.2022.463355] [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: 06/06/2022] [Revised: 07/16/2022] [Accepted: 07/18/2022] [Indexed: 10/17/2022]
Abstract
A novel tandem extraction method based on electromembrane extraction (EME) and slug flow microextraction (SFME) was developed for the extraction of some narcotics (methamphetamine, methadone, tramadol, and buprenorphine) from biological samples. The analytes were quantified by corona discharge-ion mobility spectrometry (CD-IMS). In this method, initially, analytes were extracted using an EME procedure (step-1). After that, the acceptor solution of the first step containing target analytes was applied in an SFME procedure (step-2) as a donor solution for further preconcentration. In the second step, analytes were extracted from an aqueous solution into an organic extractant. The optimum EME and SFME conditions were as follows: type of supported liquid membrane: 2-nitrophenyl octyl ether containing 10% v/v di-(2-ethylhexyl) phosphate, acceptor solution pH: 1.0, sample solution pH: 4.0, voltage: 248 V, extraction time: 17.5 min, tilting number of glass capillary tube: 10 times, type of the organic extractant: toluene, the concentration of NaOH solution: 400 mM. Under optimum extraction conditions, good linearity was obtained in the range of 0.50-750.0 ng/mL with coefficients of determination (r2) ≥ 0.991. The limits of detection and quantification were achieved in the range of 0.15-3.5 ng/mL and 0.50-12.0 ng/mL, respectively. The inter-day and intra-day precisions (n = 3) provided RSDs lower than 12.8% and 12.7%, respectively. Enrichment factors and extraction recoveries of the analytes were in the range of 255.7 to 505.4 and 37.6-78.3%, respectively. Comparing the EME/HPLC-UV with EME-SFME/CD-IMS showed that using the tandem extraction method improved the enrichment factors by more than 2.7 times and limits of detection and quantification by more than 15 times. Finally, this procedure was used to quantify target analytes in plasma and urine samples.
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Affiliation(s)
- Majid Behpour
- Department of analytical chemistry and pollutants, Shahid Beheshti University, G. C., Evin, Tehran 1983969411, Iran
| | - Majid Maghsoudi
- Department of analytical chemistry and pollutants, Shahid Beheshti University, G. C., Evin, Tehran 1983969411, Iran
| | - Saeed Nojavan
- Department of analytical chemistry and pollutants, Shahid Beheshti University, G. C., Evin, Tehran 1983969411, Iran.
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Shang Q, Mei H, Huang C, Shen X. Fundamentals, operations and applications of electromembrane extraction: An overview of reviews. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Chen M, Shang Y, Bai H, Ma Q. Electromembrane Extraction and Dual-Channel Nanoelectrospray Ionization Coupled with a Miniature Mass Spectrometer: Incorporation of a Dicationic Ionic Liquid-Induced Charge Inversion Strategy. Anal Chem 2022; 94:9472-9480. [PMID: 35737371 DOI: 10.1021/acs.analchem.2c01921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Green analytical chemistry aims at developing analytical methods with minimum use and generation of hazardous substances for the protection of human health and the environment. To address this need, a green analytical protocol has been developed for the analysis of anionic compounds integrating electromembrane extraction (EME), dual-channel nanoelectrospray ionization (nanoESI), and a miniature mass spectrometer. Haloacetic acids (HAAs) have attracted considerable public concern due to their adverse effects on human health and were selected as model analytes for method development. A flat membrane EME device was developed and assembled in-house. Optimization of fundamental operational parameters was performed using single-factor test and response surface methodology. Both the EME acceptor phase and an imidazolium-based dicationic ionic liquid (DIL), 1,1-bis(3-methylimidazolium-1-yl) butylene difluoride (C4(MIM)2F2), were subjected to dual-channel nanoESI and miniature mass spectrometry analysis based on a charge inversion strategy, where positively charged complexes were formed. Enhancement in signal intensity by as much as 2 magnitudes was achieved in the positive-ion mode compared to the negative-ion mode in the absence of the dicationic ion-pairing agent. The developed protocol was validated, obtaining good recoveries ranging from 82.7 to 109.9% and satisfactory sensitivity with limits of detection (LODs) and quantitation (LOQs) in the ranges of 1-5 and 2-10 μg/L, respectively. The greenness of the analytical procedure was assessed with a calculated score of 0.71, indicating a high degree of greenness. The developed method was applied to the analysis of real environmental or municipal water samples (n = 16), exhibiting appealing potential for outside-the-laboratory applications.
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Affiliation(s)
- Meng Chen
- Key Laboratory of Consumer Product Quality Safety Inspection and Risk Assessment for State Market Regulation, Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Yuhan Shang
- Key Laboratory of Consumer Product Quality Safety Inspection and Risk Assessment for State Market Regulation, Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Hua Bai
- Key Laboratory of Consumer Product Quality Safety Inspection and Risk Assessment for State Market Regulation, Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Qiang Ma
- Key Laboratory of Consumer Product Quality Safety Inspection and Risk Assessment for State Market Regulation, Chinese Academy of Inspection and Quarantine, Beijing 100176, China
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Hoseininezhad-Namin MS, Rahimpour E, Ozkan SA, Jouyban A. An overview on nanostructure-modified supported liquid membranes for the electromembrane extraction method. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:212-221. [PMID: 34988579 DOI: 10.1039/d1ay01833g] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Electromembrane extraction (EME) is an extraction method on the micro scale, in which charged compounds are extracted from a donor phase (sample solution) into an acceptor phase via a supported liquid membrane (SLM) containing a water-immiscible organic solvent. To enhance the extraction efficiency and selectivity in this method, some studies have focused on the modification of the SLM, and thus many strategies have been reported for this purpose. One of these techniques is the introduction of nanomaterials in the SLM structure, which can enhance the extraction efficiency. In the current study, the different nanostructures used for SLM modification in the EME method are reviewed. Furthermore, the related analytical parameters of the developed techniques are classified and tabulated. It is hoped that this review will motivate further research in this field using other nanostructures.
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Affiliation(s)
- Mir Saleh Hoseininezhad-Namin
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
- Student Research Committee, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elaheh Rahimpour
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
- Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sibel Aysil Ozkan
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, 06100 Ankara, Turkey
| | - Abolghasem Jouyban
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
- Faculty of Pharmacy, Near East University, PO BOX: 99138 Nicosia, North Cyprus, Mersin 10, Turkey
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Chen L, Wang J, Xu T, Feng X, Huang C, Shen X. Recent sample pretreatment methods for determination of selective serotonin reuptake inhibitors (SSRIs) in biological samples. J Pharm Biomed Anal 2021; 206:114364. [PMID: 34543943 DOI: 10.1016/j.jpba.2021.114364] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 08/29/2021] [Accepted: 09/03/2021] [Indexed: 12/20/2022]
Abstract
Selective serotonin reuptake inhibitors (SSRIs) such as fluoxetine (FLU), sertraline (SER), paroxetine (PAR), fluvoxamine (FLV) and citalopram (CIT) have been the first treatment drugs for pregnant and breastfeeding women. Quantitative analysis of SSRIs in biological samples is extremely needed in public health and clinical practice. During the analysis, sample pretreatment is an important step that can obtain an accurate quantitative analysis of SSRIs in the complex samples. The present paper discussed the recent development of sample preparation methods for SSRI analysis. Traditional sample preparation techniques such as liquid liquid extraction (LLE) and solid phase extraction (SPE), which have been widely used in the separation of SSRIs in biological samples, were extensively presented. Moreover, the new sample preparation techniques including liquid phase microextraction (LPME), solid phase microextraction (SPME), electromembrane extraction (EME) and other miniaturized extraction techniques, which are becoming highly popular in SSRI analysis, were also critically reviewed. In this review, both the advantages and disadvantages of these sample pretreatment methods were addressed. As a summary, we prospected the challenges and promising directions for the future of sample pretreatment methods in SSRI analysis.
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Affiliation(s)
- Li Chen
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China
| | - Jincheng Wang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China
| | - Tyllis Xu
- Shanghai American School, 258 Jinfeng Road, Minhang District, Shanghai 201107, China; Wuhan Egaotech Company Lmt., 9F, Building 3, Science and Technolge new energy Base, East Lake High-Tech District, Wuhan 430075, China
| | - Xinrui Feng
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China
| | - Chuixiu Huang
- Department of Forensic Medicine, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China
| | - Xiantao Shen
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China.
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Shang Q, Mei H, Feng X, Huang C, Pedersen-Bjergaard S, Shen X. Ultrasound-assisted electromembrane extraction with supported semi-liquid membrane. Anal Chim Acta 2021; 1184:339038. [PMID: 34625271 DOI: 10.1016/j.aca.2021.339038] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 08/28/2021] [Accepted: 09/04/2021] [Indexed: 10/20/2022]
Abstract
Electromembrane extraction (EME), involving the migration of charged analytes across a supported liquid membrane (SLM) with an external power supply, is a promising sample preparation method in analytical chemistry. However, the presence of boundary double layers at the SLM/solution interfaces often restricts extraction efficiency. To avoid this, the current work proposed an ultrasound-assisted EME (UA-EME) method based on a novel type of supported semi-liquid membrane (SsLM). The characterizations showed that the SsLM was stable under ultrasound conditions. Ultrasound was found to reduce the boundary double layers and thus increase the mass transfer. Major operational parameters in UA-EME including ultrasound power density, temperature, applied voltage and extraction time were optimized with haloperidol, fluoxetine, and sertraline as model analytes. Under the optimal conditions, extraction recoveries of model analytes in water samples were in the range of 66.8%-91.6%. When this UA-EME method was coupled with LC-MS/MS for detection of the target analytes in human urine samples, the linear range of the analytical method was 10-1000 ng mL-1, with R2 > 0.997 for all analytes. The limits of detection (LOD) and limits of quantification (LOQ) were in the range of 1.7-2.1 ng mL-1 and 5.7-6.7 ng mL-1, respectively. The UA-EME expands the application field of ultrasound chemistry and will be very important in development of stable and fast sample preparation systems in the future.
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Affiliation(s)
- Qianqian Shang
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, Hubei 430030, China
| | - Hang Mei
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, Hubei 430030, China
| | - Xinrui Feng
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, Hubei 430030, China
| | - Chuixiu Huang
- Department of Forensic Medicine, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, Hubei 430030, China.
| | - Stig Pedersen-Bjergaard
- Department of Pharmacy, University of Oslo, P.O. Box 1068 Blindern, 0316 Oslo, Norway; Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - Xiantao Shen
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, Hubei 430030, China.
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12
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Skaalvik TG, Øiestad EL, Trones R, Pedersen-Bjergaard S, Hegstad S. Determination of psychoactive drugs in serum using conductive vial electromembrane extraction combined with UHPLC-MS/MS. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1183:122926. [PMID: 34624684 DOI: 10.1016/j.jchromb.2021.122926] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/25/2021] [Accepted: 09/01/2021] [Indexed: 11/17/2022]
Abstract
Conductive vial electromembrane extraction (EME) with prototype equipment was applied for the first time to extract lipophilic basic drugs from serum. With this equipment, traditional platinum electrodes were replaced with sample and acceptor vials made from a conductive polymer, making the electrodes fully integrated and disposable. EME was combined with UHPLC-MS/MS, and a method to determine selected psychoactive drugs (alimemazine, amitriptyline, atomoxetine, clomipramine, doxepin, duloxetine, fluvoxamine, levomepromazine, nortriptyline and trimipramine) and metabolites (desmethyl clomipramine and desmethyl doxepin) in serum was developed, optimized, and validated. Extractions were carried out with 50 V for 15 min from serum samples (100 µL) diluted 1:3 with formic acid (0.1% v/v), using 2-nitrophenyl octyl ether as the supported liquid membrane (SLM), and formic acid (0.1% v/v, 300 µL) as acceptor phase. Using conductive vial EME, the extraction of lipophilic drugs reached exhaustive or near-exhaustive conditions, with recoveries in the range 75-117%. The method demonstrated excellent accuracy and precision, with bias within ± 6%, and intra- and inter-day CVs ranging 0.9 - 6% and 2 - 6%, respectively. In addition, acceptor phases were completely free of glycerophosphocholines. EME-UHPLC-MS/MS was successfully applied in determination of psychoactive drugs in 30 patient samples, and the results were in agreement with the current hospital routine method at St. Olav University Hospital (Trondheim, Norway). Obtaining comparable results to well-established routine methods is highly important for future implementation of EME into routine laboratories. These results thus serve as motivation for further advancing the EME technology. Until now, EME has been carried out with laboratory-build equipment, and the introduction of commercially available standardized equipment is expected to have a positive impact on future research activity.
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Affiliation(s)
- Tonje Gottenberg Skaalvik
- Department of Clinical Pharmacology, St. Olav University Hospital, Professor Brochs gate 6, 7030 Trondheim, Norway; Department of Pharmacy, University of Oslo, P.O. Box 1068 Blindern, 0316 Oslo, Norway
| | - Elisabeth Leere Øiestad
- Department of Pharmacy, University of Oslo, P.O. Box 1068 Blindern, 0316 Oslo, Norway; Department of Forensic Sciences, Division of Laboratory Medicine, Oslo University Hospital, P.O. Box 4950 Nydalen, 0424 Oslo, Norway
| | - Roger Trones
- Extraction Technologies Norway, Verkstedveien 29, 1424 Ski, Norway
| | - Stig Pedersen-Bjergaard
- Department of Pharmacy, University of Oslo, P.O. Box 1068 Blindern, 0316 Oslo, Norway; Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Solfrid Hegstad
- Department of Clinical Pharmacology, St. Olav University Hospital, Professor Brochs gate 6, 7030 Trondheim, Norway.
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13
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Ultrasound-assisted electromembrane extraction of clonazepam from plasma and determination using capillary electrophoresis. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1181:122928. [PMID: 34536833 DOI: 10.1016/j.jchromb.2021.122928] [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: 05/18/2021] [Revised: 08/06/2021] [Accepted: 09/01/2021] [Indexed: 11/20/2022]
Abstract
In this work, ultrasound-assisted electromembrane extraction (UA-EME) coupled with capillary electrophoresis (CE) and diode array detection (DAD) was developed for the determination of clonazepam from plasma samples. A comparative study was carried out between conventional EME and UA-EME methods to investigate the influence of the ultrasound waves on the extraction efficiency. The central composite design was used for the optimization of the variables affecting these methods to achieve the best extraction efficiency. Under optimal extraction conditions, the UA-EME provided better extraction recovery in a shorter time (58% in 13 min) than the EME method (42% in 30 min). Ultrasound reduces the extraction time and increased recovery by reducing the thickness of the barrier layer. In addition, this method provided a higher pre-concentration factor (203) and a lower limit of detection (3 ng mL-1) with good repeatability (RSDs were less than 10.11%).
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14
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Liu C, Huang D, Yang L, Wu S, Shen X, Pedersen-Bjergaard S, Huang C. Removal of Polymerase Chain Reaction Inhibitors by Electromembrane Extraction. Anal Chem 2021; 93:11488-11496. [PMID: 34383461 DOI: 10.1021/acs.analchem.1c01689] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Polymerase chain reaction (PCR) technology has become the cornerstone of DNA analysis. However, special samples (e.g., forensic samples, soil, food, and mineral medicine) may contain powerful PCR inhibitors. High levels of inhibitors can hardly be sufficiently removed by conventional DNA extraction approaches and may result in the complete failure of PCR. In this work, the removal of PCR inhibitors by electromembrane extraction (EME) was investigated for the first time. To demonstrate the universality of the approach, EME formats with and without supported membranes (termed parallel-EME and μ-EME, respectively) were employed, and both anionic [humic acid (HA)] and cationic (Ca2+) PCR inhibitors were used as models. During EME, charged inhibitors in the sample migrate into the liquid membrane in the presence of an electric field and might further leech into the waste solution, while PCR analytes remain in the sample. After EME, the clearance values for HA at 0.2 and 2.5 mg mL-1 were 94 and 85%, respectively, and that for Ca2+ (275 mM) was 63%. Forensic PCR-short tandem repeat (PCR-STR) genotyping showed that EME significantly reduced the interference by HA in PCR-STR analysis and displayed a higher HA purge capability compared to existing methods. Furthermore, by combining EME with liquid-liquid extraction or solid-phase extraction, satisfactory STR profiles were obtained from HA-rich blood samples. In addition, false-negative reports of bacterial detection in mineral medicine and shrimps were avoided after the removal of Ca2+ by μ-EME. Our research demonstrates the great potential of EME for the purification of DNA samples containing high-level PCR inhibitors and opens up a new application direction for EME.
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Affiliation(s)
- Cong Liu
- Department of Forensic Medicine, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan 430030, China
| | - Daixin Huang
- Department of Forensic Medicine, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan 430030, China
| | - Liuqian Yang
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan 430030, China
| | - Shifan Wu
- Department of Forensic Medicine, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan 430030, China
| | - Xiantao Shen
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan 430030, China
| | - Stig Pedersen-Bjergaard
- School of Pharmacy, University of Oslo, P.O. Box 1068 Blindern, Oslo 0316, Norway.,Faculty of Health and Medical Sciences, School of Pharmaceutical Sciences, University of Copenhagen, Universitetsparken 2, Copenhagen 2100, Denmark
| | - Chuixiu Huang
- Department of Forensic Medicine, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan 430030, China
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15
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Wan L, Gao H, Gao H, Du R, Wang F, Wang Y, Chen M. Selective extraction and determination of steroidal glycoalkaloids in potato tissues by electromembrane extraction combined with LC-MS/MS. Food Chem 2021; 367:130724. [PMID: 34352691 DOI: 10.1016/j.foodchem.2021.130724] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 07/26/2021] [Accepted: 07/26/2021] [Indexed: 12/30/2022]
Abstract
For the first time, electromembrane extraction (EME) combined LC-MS/MS was applied to extract and determine α-solanine and α-chaconine in different potato tissues using NPOE containing 20% (v/v) DEHP as supported liquid membrane (SLM). Under the optimal conditions, the proposed EME-LC-MS/MS method was evaluated using spiked fresh potato peel sample. The linear range for α-solanine and α-chaconine was 5-1000 ng mL-1 (R2 > 0.9991), with LOD and LOQ of 1.2-1.5 ng mL-1 and 4.1-5.2 ng mL-1, respectively. Repeatability for α-solanine and α-chaconine at three concentration levels was satisfactory (<4.9%), and recoveries ranged from 73% to 106%. Finally, the EME-LC-MS/MS method has been successfully employed to determine α-solanine and α-chaconine in sprouted potato peel and tuber samples, indicating that EME exhibited high selectivity and efficient sample clean-up capability. Consequently, EME showed great potential for extraction and purification of toxic and bioactive basic compounds from complex plant tissues.
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Affiliation(s)
- Libin Wan
- Institute of Business Scientific, Henan Academy of Sciences, Wenhua Road #87, Zhengzhou, Henan 450003, PR China.
| | - Haidong Gao
- Institute of Business Scientific, Henan Academy of Sciences, Wenhua Road #87, Zhengzhou, Henan 450003, PR China
| | - Huoliang Gao
- Institute of Business Scientific, Henan Academy of Sciences, Wenhua Road #87, Zhengzhou, Henan 450003, PR China
| | - Rui Du
- Institute of Business Scientific, Henan Academy of Sciences, Wenhua Road #87, Zhengzhou, Henan 450003, PR China
| | - Fayun Wang
- Institute of Business Scientific, Henan Academy of Sciences, Wenhua Road #87, Zhengzhou, Henan 450003, PR China
| | - Yong Wang
- Institute of Business Scientific, Henan Academy of Sciences, Wenhua Road #87, Zhengzhou, Henan 450003, PR China
| | - Mantang Chen
- Zhengzhou Tobacco Research Institute of CNTC, Fengyang Street #2, Zhengzhou, Henan 450001, PR China.
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Electric field-assisted multiphase extraction to increase selectivity and sensitivity in liquid chromatography-mass spectrometry and paper spray mass spectrometry. Talanta 2021; 224:121887. [PMID: 33379096 DOI: 10.1016/j.talanta.2020.121887] [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: 10/26/2020] [Revised: 11/08/2020] [Accepted: 11/09/2020] [Indexed: 12/16/2022]
Abstract
In this work, for the first time, chromatographic paper was used for a multiphase extraction assisted by an electric field (MPEF) and directly coupled to paper spray mass spectrometry (PS-MS). Using this approach, five tricyclic antidepressants (TCAs) were determined in oral fluid. Firstly, the MPEF conditions were optimized using liquid chromatography-mass spectrometry (LC-MS/MS). The effects of the chromatographic paper and the types of electrolyte used in the acceptor phase, the organic solvent type and the amount used in the donor phase, the extraction time, and the applied electric potential were all investigated. After optimization, the analytes were extracted from the donor solution (sample and acetonitrile 1:1 (v/v)) over a period of 10 min at 300 V, crossing the free liquid membrane (1-octanol) and reaching the acceptor phase (chromatographic paper wetted with 400 mmol L-1 acetic acid). The method using LC-MS/MS was validated, demonstrating a linear range from 2 to 12 ng mL-1, with detection and quantification limits of 0.13-0.25 and 0.44-0.84 ng mL-1, respectively, an intraday precision of less than 20%, and no matrix effect observed. The optimized MPEF conditions were then applied to determine TCAs by PS-MS and for this analysis cyclobenzaprine was used as an internal standard. The easy, fast and direct approach of coupling MPEF with PS-MS analysis, as well as the pre-concentration and the low standard deviation of replicates (less than 20%), demonstrates that this method can be useful for screening in clinical and toxicological analysis.
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Yuan J, Cao H, Du X, Chen T, Ma A, Pan J. Nonaqueous Miscible Liquid-Liquid Electroextraction for Fast Exhaustive Enrichment of Ultratrace Analytes by an Exponential Transfer and Deceleration Mechanism. Anal Chem 2021; 93:1458-1465. [PMID: 33375784 DOI: 10.1021/acs.analchem.0c03478] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Conventional electrical-field-assisted sample preparation (EFASP) methods rely on analyte transfer between immiscible phases and require at least one aqueous phase in contact with the electrode. In this paper, we report a novel nonaqueous miscible liquid-liquid electroextraction (NMLEE) technique that enables fast exhaustive enrichment of ultratrace analytes from a milliliter-level donor in a vial to a microliter-level acceptor in a tube. Miscible nonaqueous solvents are used for the donor and acceptor to overcome common EFASP problems such as high charge or mass transfer resistance, loss of analytes in the membrane phase, water electrolysis, back-extraction, bubble generation, and difficulties in the application of high voltage for fast migration. According to theoretical derivation and experimental verification results, the concentrations of analytes in the donor and their migration velocity in the acceptor both decrease exponentially with time, and the extraction recovery correlates linearly with the current variation. These mechanisms result in efficient enrichment by forming an analyte-enriched zone and allow the extraction progress and recovery to be monitored and estimated based on the current variation. NMLEE was coupled with liquid chromatography-mass spectrometry to analyze 10 amphetamine-type drugs, atropine, nortriptyline, and methadone in blood and urine samples. This method provided low limits of detection (0.003-0.1 ng·mL-1), satisfactory extraction recoveries (89.6-104.1%), and RSDs (<12.3% for intraday and <8.8% for interday), which met the requirements of the ICH guidelines. This study may contribute to the further development of EFASP methods for effective ultratrace analyses in forensic science.
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Affiliation(s)
- Jiahao Yuan
- Department of Hygiene Detection Center, School of Public Health, Southern Medical University (Guangdong Provincial Key Laboratory of Tropical Disease Research), #1023 South Sha-Tai Rd, Guangzhou, 510515 Guangdong, China
| | - Hongjie Cao
- Department of Hygiene Detection Center, School of Public Health, Southern Medical University (Guangdong Provincial Key Laboratory of Tropical Disease Research), #1023 South Sha-Tai Rd, Guangzhou, 510515 Guangdong, China
| | - Xiaotong Du
- Department of Hygiene Detection Center, School of Public Health, Southern Medical University (Guangdong Provincial Key Laboratory of Tropical Disease Research), #1023 South Sha-Tai Rd, Guangzhou, 510515 Guangdong, China
| | - Tengteng Chen
- Department of Hygiene Detection Center, School of Public Health, Southern Medical University (Guangdong Provincial Key Laboratory of Tropical Disease Research), #1023 South Sha-Tai Rd, Guangzhou, 510515 Guangdong, China
| | - Ande Ma
- Department of Hygiene Detection Center, School of Public Health, Southern Medical University (Guangdong Provincial Key Laboratory of Tropical Disease Research), #1023 South Sha-Tai Rd, Guangzhou, 510515 Guangdong, China
| | - Jialiang Pan
- Department of Hygiene Detection Center, School of Public Health, Southern Medical University (Guangdong Provincial Key Laboratory of Tropical Disease Research), #1023 South Sha-Tai Rd, Guangzhou, 510515 Guangdong, China
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18
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Asadi S, Nojavan S, Behpour M, Mahdavi P. Electromembrane extraction based on agarose gel for the extraction of phenolic acids from fruit juices. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1159:122401. [PMID: 33126069 DOI: 10.1016/j.jchromb.2020.122401] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 09/07/2020] [Accepted: 10/05/2020] [Indexed: 10/23/2022]
Abstract
Extraction of polar acidic compounds is a challenging task in electromembrane extraction. In this study, gel-electromembrane extraction was employed for the extraction of phenolic acids as the polar acidic compounds from fruit juices. For this aim, the extraction of phenolic acids from the juice samples (4 mL, pH = 6.0) was carried out across the agarose gel membrane (concentration of agarose; 3% (w/v), pH of gel; 10.0, and thickness of membrane: 3 mm) into the acceptor solution (100 μL, pH = 12.0). Also, this extraction process was conducted by applying the optimum potential (25 V) for 15 min to the extraction system. Under the optimized condition, acceptable linearity (R2 ≥ 0.993) over a concentration range of 10.0-2500 ng mL-1 was achieved. The limits of detection were between 3.0 and 15.2 ng mL-1, while the corresponding repeatabilities ranged from 5.3 to 11.4% (n = 4). The recoveries achieved for the extraction of target compounds were ranged from 26.8 to 74.4%. The proposed method was used for the extraction of phenolic acids from orange, apple and kiwi juices, and the obtained relative recoveries in the range of 78.0-104.2% and RSDs in the range of 6.3 to 11.3% indicated successful extraction of phenolic acids.
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Affiliation(s)
- Sakine Asadi
- Department of Analytical Chemistry and Pollutants, Shahid Beheshti University, G. C., P.O. Box, 5 19396-4716, Evin, Tehran, Iran
| | - Saeed Nojavan
- Department of Analytical Chemistry and Pollutants, Shahid Beheshti University, G. C., P.O. Box, 5 19396-4716, Evin, Tehran, Iran.
| | - Majid Behpour
- Department of Analytical Chemistry and Pollutants, Shahid Beheshti University, G. C., P.O. Box, 5 19396-4716, Evin, Tehran, Iran
| | - Parisa Mahdavi
- Department of Analytical Chemistry and Pollutants, Shahid Beheshti University, G. C., P.O. Box, 5 19396-4716, Evin, Tehran, Iran
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Electromembrane extraction of chlorprothixene, haloperidol and risperidone from whole blood and urine. J Chromatogr A 2020; 1629:461480. [DOI: 10.1016/j.chroma.2020.461480] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 08/10/2020] [Accepted: 08/12/2020] [Indexed: 01/30/2023]
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20
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Wu S, Zhu R, Dong Y, Huang C, Shen X. Electromembrane extraction of barbiturates using tributyl phosphate as an efficient supported liquid membrane. Anal Chim Acta 2020; 1129:118-125. [DOI: 10.1016/j.aca.2020.07.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 07/11/2020] [Accepted: 07/15/2020] [Indexed: 01/17/2023]
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21
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Seyfinejad B, Khoubnasabjafari M, Ziaei SE, Ozkan SA, Jouyban A. Electromembrane extraction as a new approach for determination of free concentration of phenytoin in plasma using capillary electrophoresis. ACTA ACUST UNITED AC 2020; 28:615-624. [PMID: 32803689 DOI: 10.1007/s40199-020-00366-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 08/05/2020] [Indexed: 01/26/2023]
Abstract
PURPOSE Electromembrane extraction is a new membrane-based extraction method in which charged compounds are extracted by an electric field. So far, this method has been used to extract and isolate a variety of acidic and basic drugs from various samples, including blood and plasma. However, in this procedure, it is not yet clear whether only unbound fraction of a drug is extracted or the total drug. The aim of this study is to reveal the nature of drug extraction in the presence of plasma proteins. METHODS To determine the nature of the extraction, the electromembrane extraction was performed from plasma solutions of phenytoin with concentrations 0.03 and 1.0 μg/mL, then the result was compared with the values obtained from the electromembrane extraction of ultrafiltrate of the same solutions (free concentration) and protein-free ultrafiltrate of plasma with final concentration of 0.03 and 1.0 μg/mL (total concentration). For this purpose, EME followed by capillary electrophoresis coupled with diode array detection was optimized and validated. RESULTS The results showed that the electromembrane extraction method was only able to extract the unbound fraction of phenytoin from plasma samples. The method was validated over a concentration range of 0.03-4 μg/mL. The inter and intra-assay precisions were less than 6.7%. The phenytoin protein binding was also determined to be in agreement with the literature data and confirms the validity of this method. CONCLUSION This sensitive and quick EME approach for determining the free concentration of a phenytoin, can be a good alternative to classic methods for therapeutic drug monitoring and pharmacokinetic studies.
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Affiliation(s)
- Behrouz Seyfinejad
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Khoubnasabjafari
- Tuberculosis and Lung Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saba Eivaz Ziaei
- Neurosciences Research Center, Imam Reza Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sibel A Ozkan
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, 06100, Ankara, Turkey
| | - Abolghasem Jouyban
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran. .,Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran.
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Restan MS, Skottvoll FS, Jensen H, Pedersen-Bjergaard S. Electromembrane extraction of sodium dodecyl sulfate from highly concentrated solutions. Analyst 2020; 145:4957-4963. [DOI: 10.1039/d0an00622j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This fundamental work investigated the removal of sodium dodecyl sulfate (SDS) from highly concentrated samples by electromembrane extraction (EME).
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Affiliation(s)
| | | | - Henrik Jensen
- Department of Pharmacy
- Faculty of Health and Medical Sciences
- University of Copenhagen
- 2100 Copenhagen
- Denmark
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23
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Mollahosseini A, Elyasi Y, Rastegari M. Flat membrane-based electromembrane extraction coupled with UV–visible spectrophotometry for the determination of diethylhexyl phthalate in water samples. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104191] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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24
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Yan Y, Huang C, Shen X. Electromembrane extraction of aristolochic acids: New insights in separation of bioactive ingredients of traditional Chinese medicines. J Chromatogr A 2019; 1608:460424. [DOI: 10.1016/j.chroma.2019.460424] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 07/16/2019] [Accepted: 08/03/2019] [Indexed: 11/28/2022]
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25
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An improvement of electrospun membrane reusability via titanium dioxide nanoparticles and silane compounds for the electromembrane extraction. Anal Chim Acta 2019; 1088:168-177. [DOI: 10.1016/j.aca.2019.08.050] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 08/09/2019] [Accepted: 08/20/2019] [Indexed: 12/19/2022]
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26
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Cellulose cone tip as a sorbent material for multiphase electrical field-assisted extraction of cocaine from saliva and determination by LC-MS/MS. Talanta 2019; 208:120353. [PMID: 31816720 DOI: 10.1016/j.talanta.2019.120353] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 09/13/2019] [Accepted: 09/14/2019] [Indexed: 12/22/2022]
Abstract
A porous and hydrophilic sorbent material was used in an extraction system, assisted by electric fields, for the extraction of cocaine in saliva and subsequent determination by ultra-high-performance liquid chromatography associated with sequential triple quadrupole mass spectrometry (UHPLC-MS/MS). The cellulose-based material was characterized by scanning electron microscopy, infrared spectroscopy, thermogravimetric analysis, and X-ray diffraction. The time and voltage variables applied in the extraction process were investigated through a Doehlert experimental design, and with the best conditions found (35min and 300 V) some validation parameters were evaluated. The established working range was 1-100 μg L-1 (R2 > 0.99), and the detection and quantification limits determined were 0.3 and 0.8 μg L-1, respectively. Recoveries from 80 to 115% and coefficient of variation ≤15 and 16% for intra-day and inter-day assays, respectively, were obtained for sample concentrations of LOQ, 5, 25, and 75 μg L-1, indicating satisfactory accuracy and precision for the proposed method. In addition, the method presented no matrix effect, and the extraction efficiency was between 56 and 70%. The results showed that the material used has adequate physicochemical characteristics and can be applied as a sorbent and electrolyte support in multiphase extractions using electric fields.
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27
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Yeh CS, Cheng PS, Chang SY. Solvent-free electromembrane extraction: A new concept in electro-driven extraction. Talanta 2019; 199:296-302. [DOI: 10.1016/j.talanta.2019.02.071] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 02/19/2019] [Accepted: 02/20/2019] [Indexed: 01/09/2023]
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28
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Wan L, Lin B, Zhu R, Huang C, Pedersen-Bjergaard S, Shen X. Liquid-Phase Microextraction or Electromembrane Extraction? Anal Chem 2019; 91:8267-8273. [DOI: 10.1021/acs.analchem.9b00946] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Libin Wan
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, Hubei 430030, China
| | - Bin Lin
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, Hubei 430030, China
| | - Ruiqin Zhu
- Department of Forensic Medicine, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, Hubei 430030, China
| | - Chuixiu Huang
- Department of Forensic Medicine, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, Hubei 430030, China
| | - Stig Pedersen-Bjergaard
- School of Pharmacy, University of Oslo, P.O. Box 1068 Blindern, 0316 Oslo, Norway
- Faculty of Health and Medical Sciences, School of Pharmaceutical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Xiantao Shen
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road #13, Wuhan, Hubei 430030, China
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Zhu R, Dong Y, Cai X, Huang C. Determination of Barbiturates in Biological Specimens by Flat Membrane-Based Liquid-Phase Microextraction and Liquid Chromatography-Mass Spectrometry. Molecules 2019; 24:molecules24081494. [PMID: 30995793 PMCID: PMC6515296 DOI: 10.3390/molecules24081494] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 04/09/2019] [Accepted: 04/16/2019] [Indexed: 11/16/2022] Open
Abstract
The wide abuse of barbiturates has aroused extensive public concern. Therefore, the determination of such drugs is becoming essential in therapeutic drug monitoring and forensic science. Herein, a simple, efficient, and inexpensive sample preparation technique, namely, flat membrane-based liquid-phase microextraction (FM-LPME) followed by liquid chromatography-mass spectrometry (LC-MS), was used to determine barbiturates in biological specimens. Factors that may influence the efficiency including organic extraction solvent, pH, and composition of donor and acceptor phases, extraction time, and salt addition to the sample (donor phase) were investigated and optimized. Under the optimized extraction conditions, the linear ranges of the proposed FM-LPME/LC-MS method (with correlation coefficient factors ≥ 0.99) were 7.5–750 ng mL−1 for whole blood, 5.0–500 ng mL−1 for urine, and 25–2500 ng g−1 for liver. Repeatability between 5.0 and 13.7% was obtained and the limit of detection (LOD) values ranged from 1.5 to 3.1 ng mL−1, from 0.6 to 3.6 ng mL−1, and from 5.2 to 10.0 ng g−1 for whole blood, urine, and liver samples, respectively. This method was successfully applied for the analysis of barbiturates in blood and liver from rats treated with these drugs, and excellent sample cleanup was achieved.
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Affiliation(s)
- Ruiqin Zhu
- Department of Forensic Medicine, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China.
| | - Ying Dong
- Department of Forensic Medicine, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China.
| | - Xiangyang Cai
- Department of Forensic Medicine, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China.
| | - Chuixiu Huang
- Department of Forensic Medicine, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China.
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Electromembrane extraction with solvent modification of the acceptor solution: improved mass transfer of drugs of abuse from human plasma. Bioanalysis 2019; 11:755-771. [DOI: 10.4155/bio-2018-0308] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Aim: Electromembrane extraction (EME) of 37 drugs of abuse with significant differences in terms of polarity (0.68 < log P < 4.3) and basicity (1.17 < pKa < 10.38) was investigated from human plasma. Materials & methods: EME was performed with 250 mM trifluoroacetic acid and DMSO (1:1 v/v) in the acceptor solution. Results & conclusion: The analytes were extracted efficiently with pure 2-nitrophenyloctyl ether as supported liquid membrane when the acceptor solution was modified with DMSO. Thus, using DMSO mixed with 250 mM trifluoroacetic acid (1:1, v/v) as acceptor solution, recoveries from 40 to 105% (relative standard deviation <20%) were obtained for 33 of the analytes under optimized conditions. EME followed by ultra-HPLC–MS/MS analysis was evaluated from human plasma, and the results were satisfactory.
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31
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Lin B, Wan L, Sun X, Huang C, Pedersen-Bjergaard S, Shen X. Electromembrane extraction of high level substances: A novel approach for selective recovery of templates in molecular imprinting. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.09.056] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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32
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Tabani H, Nojavan S, Alexovič M, Sabo J. Recent developments in green membrane-based extraction techniques for pharmaceutical and biomedical analysis. J Pharm Biomed Anal 2018; 160:244-267. [DOI: 10.1016/j.jpba.2018.08.002] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 08/01/2018] [Accepted: 08/03/2018] [Indexed: 01/11/2023]
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33
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Dvořák M, Seip KF, Pedersen-Bjergaard S, Kubáň P. Semi-automated set-up for exhaustive micro-electromembrane extractions of basic drugs from biological fluids. Anal Chim Acta 2018; 1005:34-42. [DOI: 10.1016/j.aca.2017.11.081] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 11/27/2017] [Accepted: 11/28/2017] [Indexed: 10/18/2022]
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34
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Sedehi S, Tabani H, Nojavan S. Electro-driven extraction of polar compounds using agarose gel as a new membrane: Determination of amino acids in fruit juice and human plasma samples. Talanta 2018; 179:318-325. [DOI: 10.1016/j.talanta.2017.11.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 11/05/2017] [Accepted: 11/06/2017] [Indexed: 11/30/2022]
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35
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Huang C, Shen X, Gjelstad A, Pedersen-Bjergaard S. Investigation of alternative supported liquid membranes in electromembrane extraction of basic drugs from human plasma. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2017.11.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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36
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Khajeh M, Dahmardeh M, Bohlooli M, Khatibi A, Ghaffari-Moghaddam M. Determination of gold in water samples using electromembrane extraction. J DISPER SCI TECHNOL 2017. [DOI: 10.1080/01932691.2016.1219668] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Mostafa Khajeh
- Department of Chemistry, University of Zabol, Zabol, Iran
| | | | | | - Ali Khatibi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
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38
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Drouin N, Mandscheff JF, Rudaz S, Schappler J. Development of a New Extraction Device Based on Parallel-Electromembrane Extraction. Anal Chem 2017; 89:6346-6350. [DOI: 10.1021/acs.analchem.7b01284] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nicolas Drouin
- School
of Pharmaceutical Sciences, University of Geneva, University of Lausanne, 1 Rue Michel-Servet 1211 Geneva 4, Switzerland
| | | | - Serge Rudaz
- School
of Pharmaceutical Sciences, University of Geneva, University of Lausanne, 1 Rue Michel-Servet 1211 Geneva 4, Switzerland
| | - Julie Schappler
- School
of Pharmaceutical Sciences, University of Geneva, University of Lausanne, 1 Rue Michel-Servet 1211 Geneva 4, Switzerland
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39
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Determination of diclofenac using electromembrane extraction coupled with stripping FFT continuous cyclic voltammetry. Anal Chim Acta 2017; 972:38-45. [DOI: 10.1016/j.aca.2017.04.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Revised: 03/16/2017] [Accepted: 04/02/2017] [Indexed: 11/21/2022]
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40
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Tabani H, Asadi S, Nojavan S, Parsa M. Introduction of agarose gel as a green membrane in electromembrane extraction: An efficient procedure for the extraction of basic drugs with a wide range of polarities. J Chromatogr A 2017; 1497:47-55. [DOI: 10.1016/j.chroma.2017.03.075] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2016] [Revised: 03/19/2017] [Accepted: 03/20/2017] [Indexed: 11/16/2022]
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41
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Complexation-mediated electromembrane extraction of highly polar basic drugs—a fundamental study with catecholamines in urine as model system. Anal Bioanal Chem 2017; 409:4215-4223. [DOI: 10.1007/s00216-017-0370-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 03/22/2017] [Accepted: 04/19/2017] [Indexed: 10/19/2022]
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42
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Pedersen-Bjergaard S, Huang C, Gjelstad A. Electromembrane extraction-Recent trends and where to go. J Pharm Anal 2017; 7:141-147. [PMID: 29404030 PMCID: PMC5790682 DOI: 10.1016/j.jpha.2017.04.002] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 04/06/2017] [Accepted: 04/10/2017] [Indexed: 11/28/2022] Open
Abstract
Electromembrane extraction (EME) is an analytical microextraction technique, where charged analytes (such as drug substances) are extracted from an aqueous sample (such as a biological fluid), through a supported liquid membrane (SLM) comprising a water immiscible organic solvent, and into an aqueous acceptor solution. The driving force for the extraction is an electrical potential (dc) applied across the SLM. In this paper, EME is reviewed. First, the principle for EME is explained with focus on extraction of cationic and anionic analytes, and typical performance data are presented. Second, papers published in 2016 are reviewed and discussed with focus on (a) new SLMs, (b) new support materials for the SLM, (c) new sample additives improving extraction, (d) new technical configurations, (e) improved theoretical understanding, and (f) pharmaceutical new applications. Finally, important future research objectives and directions are defined for further development of EME, with the aim of establishing EME in the toolbox of future analytical laboratories.
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Affiliation(s)
- Stig Pedersen-Bjergaard
- School of Pharmacy, University of Oslo, P.O. Box 1068 Blindern, 0316 Oslo, Norway.,Faculty of Health and Medical Sciences, School of Pharmaceutical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Chuixiu Huang
- School of Pharmacy, University of Oslo, P.O. Box 1068 Blindern, 0316 Oslo, Norway
| | - Astrid Gjelstad
- School of Pharmacy, University of Oslo, P.O. Box 1068 Blindern, 0316 Oslo, Norway
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Huang C, Gjelstad A, Pedersen-Bjergaard S. Electromembrane extraction with alkylated phosphites and phosphates as supported liquid membranes. J Memb Sci 2017. [DOI: 10.1016/j.memsci.2016.11.049] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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44
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Khajeh M, Pedersen-Bjergaard S, Bohlooli M, Barkhordar A, Ghaffari-Moghaddam M. Maghemite nanoparticle-decorated hollow fiber electromembrane extraction combined with dispersive liquid-liquid microextraction for determination of thymol from Carum copticum. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2017; 97:1517-1523. [PMID: 27404217 DOI: 10.1002/jsfa.7894] [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: 11/29/2015] [Revised: 02/10/2016] [Accepted: 02/10/2016] [Indexed: 06/06/2023]
Abstract
BACKGROUND A novel technique using maghemite nanoparticle-decorated hollow fibers to assist electromembrane extraction is proposed. Electromembrane extraction combined with dispersive liquid-liquid microextraction (EME-DLLME) was applied for the extraction of thymol from Carum copticum, followed by gas chromatography with flame ionization detection (GC-FID). RESULTS The use of maghemite nanoparticle-decorated hollow fibers was found to improve the extraction efficiency of thymol significantly. Important operational parameters, including pH of acceptor phase, extraction time, voltage and temperature, were investigated and optimized. At the optimal conditions, linearity in the range 4-1800 µg L-1 with a determination coefficient of 0.9996 was obtained. The limit of detection was 0.11 µg L-1 (S/N = 3) and the pre-concentration factor was 200. The intra- and inter-day precision was 5.9 and 2.2% respectively. The intra- and inter-day accuracy was higher than 93.6%. CONCLUSION The results indicated that EME-DLLME/GC-FID is a useful technique for the extraction and determination of thymol in C copticum. © 2016 Society of Chemical Industry.
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Affiliation(s)
- Mostafa Khajeh
- Department of Chemistry, University of Zabol, PO Box, 98615-538, Zabol, Iran
| | | | - Mousa Bohlooli
- Department of Biology, University of Zabol, PO Box 98615-538, Zabol, Iran
| | - Afsaneh Barkhordar
- Department of Chemistry, University of Zabol, PO Box, 98615-538, Zabol, Iran
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45
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Alsharif AMA, Tan GH, Choo YM, Lawal A. Efficiency of Hollow Fiber Liquid-Phase Microextraction Chromatography Methods in the Separation of Organic Compounds: A Review. J Chromatogr Sci 2016; 55:378-391. [DOI: 10.1093/chromsci/bmw188] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 11/10/2016] [Indexed: 11/13/2022]
Affiliation(s)
- Ali Mohamed Ali Alsharif
- Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
- Arab Centre for Desertification and Development of Saharian Societies, Murzuk, Libya
| | - Guan-Huat Tan
- Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Yeun-Mun Choo
- Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Abubakar Lawal
- Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
- Department of Pure and Industrial Chemistry, Umaru Musa Yar'adua University Katsina, Nigeria
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46
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Kubáň P, Seip KF, Gjelstad A, Pedersen-Bjergaard S. Micro-electromembrane extraction using multiple free liquid membranes and acceptor solutions – Towards selective extractions of analytes based on their acid-base strength. Anal Chim Acta 2016; 943:64-73. [DOI: 10.1016/j.aca.2016.09.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 09/13/2016] [Accepted: 09/14/2016] [Indexed: 11/15/2022]
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47
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Huang C, Seip KF, Gjelstad A, Pedersen-Bjergaard S. Electromembrane extraction of polar basic drugs from plasma with pure bis(2-ethylhexyl) phosphite as supported liquid membrane. Anal Chim Acta 2016; 934:80-7. [DOI: 10.1016/j.aca.2016.06.002] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 05/30/2016] [Accepted: 06/01/2016] [Indexed: 12/27/2022]
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48
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49
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Mohammadkhani E, Yamini Y, Rezazadeh M, Seidi S. Electromembrane surrounded solid phase microextraction using electrochemically synthesized nanostructured polypyrrole fiber. J Chromatogr A 2016; 1443:75-82. [DOI: 10.1016/j.chroma.2016.03.067] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Revised: 02/28/2016] [Accepted: 03/22/2016] [Indexed: 10/22/2022]
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Abstract
Sample preparation is a vital and inseparable part of an analytical procedure. This issue has motivated the analytical research community around the world to develop new, fast and cost-effective extraction methods which can eliminate interfering substances, provide high preconcentration factors and increase the determination sensitivity. Electrical field induced extraction technique is a topic that has received major attention in recent years. This fact can be attributed to the considerable advantages provided by imposition of an electrical driving force especially control of different properties of an extraction system such as selectivity, cleanup, rate and efficiency. In this review, focus is centered on the electrical field induced liquid phase extraction techniques and their potential for bioanalysis.
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