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Meymivand A, Shahhosseini S, Kashani MN, HMTShirazi R, Yamini Y. Exploring the impact of polyvinylidenefluoride membrane physical properties on the enrichment efficacy of microfluidic electro-membrane extraction of acidic drugs. J Chromatogr A 2024; 1725:464909. [PMID: 38688052 DOI: 10.1016/j.chroma.2024.464909] [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: 02/12/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 05/02/2024]
Abstract
Membrane technology has revolutionized various fields with its energy efficiency, versatility, user-friendliness, and adaptability. This study introduces a microfluidic chip, comprised of silicone rubber and polymethylmethacrylate (PMMA) sheets to explore the impacts of polymeric support morphology on electro-membrane extraction efficiency, representing a pioneering exploration in this field. In this research, three polyvinylidenefluoride (PVDF) membranes with distinct pore sizes were fabricated and their characteristics were assessed through field-emission scanning electron microscopy (FESEM), and atomic force microscopy (AFM). This investigation centers on the extraction of three widely prescribed non-steroidal anti-inflammatory drugs: aspirin (ASA), naproxen (NAP), and ibuprofen (IBU). Quantitative parameters in the extraction process including voltage, donor phase flow rate, and acceptor phase composition were optimized, considering the type of membrane as a qualitative factor. To assess the performance of the fabricated PVDF membranes, a comparative analysis with a commercially available Polypropylene (PP) membrane was conducted. Efficient enrichment factors of 30.86, 23.15, and 21.06 were attained for ASA, NAP, and IBU, respectively, from urine samples under optimal conditions using the optimum PVDF membrane. Significantly, the choice of the ideal membrane amplified the purification levels of ASA, NAP, and IBU by factors of 1.6, 7.5, and 40, respectively.
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Affiliation(s)
- Alireza Meymivand
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Shahrokh Shahhosseini
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran, Iran.
| | - Moein Navvab Kashani
- Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia
| | - Romina HMTShirazi
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Yadollah Yamini
- Department of Chemistry, Tarbiat Modares University, P.O. Box 14115-175, Tehran, Iran
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2
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Opekar F, Tůma P. A new coaxial flow-through probe for electromembrane extraction of methadone from clinical samples on-line coupled to capillary electrophoresis. Anal Chim Acta 2024; 1300:342461. [PMID: 38521571 DOI: 10.1016/j.aca.2024.342461] [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: 01/17/2024] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/25/2024]
Abstract
BACKGROUND A new design of a flow-through coaxial electromembrane extraction (EME) probe that can be on-line coupled with CE instrument is described and tested. The supporting base of the probe is a PDMS microchip with T-shaped channels into which two coaxially arranged capillaries for inlet and outlet solutions are inserted. The extraction part of the probe is a porous polypropylene hollow fiber, sealed at one end and modified with nitrophenyloctyl ether (NPOE) extraction fluid. The internal volume of the extraction probe is 1.1 μL. RESULTS The EME probe was tested on laboratory samples and methadone was extracted into 3.0 M AcOH as acceptor. The concentration dependence was linear in the range of 0.1-1.0 μg mL-1 at EME 300 s/150 V and in the range of 0.5-10.0 μg mL-1 at EME 100 s/150 V. The enrichment factor was greater than 30 and the LOD was 0.21 μg mL-1. The EME of methadone in clinical samples showed a linear concentration dependence in human urine and a nonlinear concentration dependence in serum. The distribution of methadone in each phase of the extraction system and the effect of extraction membrane thickness on the enrichment factor were studied. The EME probe can be applied repeatedly. SIGNIFICANCE The supporting base of EME probe and flow gating interface (FGI) are realized by a microfluidic PDMS microchips cast in the laboratory without the use of lithography. A supporting PDMS chip with coaxially arranged capillaries and extraction membrane forms a compact analytical instrument. The entire EME/CE analysis process is performed on a laboratory-made instrument and automated by LabView.
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Affiliation(s)
- František Opekar
- Charles University, Faculty of Science, Department of Analytical Chemistry, Albertov 2030, 2, 128 43, Prague, Czech Republic.
| | - Petr Tůma
- Charles University, Third Faculty of Medicine, Department of Hygiene, Ruská 87, 10, 100 00, Prague, Czech Republic.
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Barzegar F, Nabizadeh S, Kamankesh M, Ghasemi JB, Mohammadi A. The selective extraction of dietary polyamines from chicken breast using the application of a lab-on-a-chip electromembrane and dispersive liquid-liquid microextraction followed by gas chromatography-mass spectrometry. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:2585-2596. [PMID: 38606467 DOI: 10.1039/d3ay02172f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
Excessive dietary polyamines (PAs), including putrescine (PUT), spermine (SPM), and spermidine (SPD), have become a worldwide concern due to their carcinogenicity and reduced shelf life. A modern miniaturized on-chip electromembrane extraction (EME) has been applied to extract these compounds from chicken breast samples. This method is based fundamentally on ionic compounds' electrostatic attraction, diffusion, and solubility in the acceptor phase. The chemical structure of polyamines enables their efficient extraction using an electric driving force on a microchip device. HCl solution (0.1 mol L-1) was applied as an aqueous acceptor solvent. Dispersive liquid-liquid microextraction was performed after EME to facilitate joining three-phase EME to GC-MS and improve the merit figures. The total ranges of 3.77-7.89 μg g-1, 3.48-7.02 μg g-1, and 0.78-2.20 μg g-1 were acquired as PUT, SPM and SPD concentrations in chicken breast, respectively. The results demonstrate that the level of PAs in fresh chicken breast samples is not concerning, but it may reduce the quality of chicken meat over time. This novel analytical technique has several advantages: high recovery, substantial quickness, remarkable selectivity, and good enrichment factors. This emerging method could be generalized to other studies to analyze different foodstuffs.
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Affiliation(s)
- Fatemeh Barzegar
- Department of Food Science and Technology, Faculty of Nutrition Science, Food Science and Technology/National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Samaneh Nabizadeh
- Department of Food Science and Technology, Faculty of Nutrition Science, Food Science and Technology/National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Marzieh Kamankesh
- Food Safety Research Center (Salt), Semnan University of Medical Sciences, Semnan, Iran.
- School of Pharmacy, Semnan University of Medical Sciences, Semnan, Iran
| | - Jahan B Ghasemi
- Chemistry Faculty, School of Sciences, University of Tehran, Tehran, Iran.
| | - Abdorreza Mohammadi
- Department of Food Science and Technology, Faculty of Nutrition Science, Food Science and Technology/National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- Food Safety Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Sahragard A, Dvořák M, Pagan-Galbarro C, Carrasco-Correa EJ, Kubáň P, Miró M. 3D-printed stereolithographic fluidic devices for automatic nonsupported microelectromembrane extraction and clean-up of wastewater samples. Anal Chim Acta 2024; 1297:342362. [PMID: 38438239 DOI: 10.1016/j.aca.2024.342362] [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: 11/21/2023] [Revised: 02/07/2024] [Accepted: 02/08/2024] [Indexed: 03/06/2024]
Abstract
BACKGROUND There is a quest of novel functional and reliable platforms for enhancing the efficiency of microextraction approaches in troublesome matrices, such as industrial wastewaters. 3D printing has been proven superb in the analytical field to act as the springboard of microscale extraction approaches. RESULTS In this work, low-force stereolithography (SL) was exploited for 3D printing and prototyping bespoke fluidic devices for accommodating nonsupported microelectromembrane extraction (μEME). The analytical performance of 3D-printed μEME devices with distinct cross-sections, including square, circle, and obround, and various channel dimensions was explored against that of commonly used circular polytetrafluoroethylene (PTFE) tubing in flow injection systems. A computer-controlled millifluidic system was harnessed for the (i) automatic liquid-handling of minute volumes of donor, acceptor, and organic phases at the low μL level that spanned from 3 to 44 μL in this work, (ii) formation of three-phase μEME, (iii) in-line extraction, (iv) flow-through optical detection of the acceptor phase, and (v) solvent removal and regeneration of the μEME device and fluidic lines. Using methylene blue (MB) as a model analyte, experimental results evinced that the 3D-printed channels with an obround cross-section (2.5 mm × 2.5 mm) were the most efficient in terms of absolute extraction recovery (59%), as compared to PTFE tubing of 2.5 mm inner diameter (27%). This is attributed to the distinctive convex interface of the organic phase (1-octanol), with a more pronounced laminar pattern, in 3D-printed SL methacrylate-based fluidic channels against that of PTFE tubing on account of the enhanced 1-octanol wettability and lower contact angles for the 3D-printed devices. The devices with obround channels were leveraged for the automatic μEME and in-line clean-up of MB in high matrix textile dyeing wastewater samples with relative recoveries ≥81%, RSD% ≤ 17.1% and LOD of 1.3 mg L-1. The 3D-printed nonsupported μEME device was proven superb for the analysis of wastewater samples with an elevated ionic strength (0.7 mol L-1 NaCl, 5000 mg L-1 Na2CO3, and 0.013 mol L-1 NaOH) with recorded electric currents below 12 μA. NOVELTY The coupling of 3D printing with nonsupported μEME in automatic flow-based systems is herein proposed for the first time and demonstrated for the clean-up of troublesome samples, such as wastewaters.
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Affiliation(s)
- Ali Sahragard
- FI-TRACE Group, Department of Chemistry, Faculty of Science, University of the Balearic Islands, Carretera de Valldemossa km 7.5, E-07122, Palma de Mallorca, Illes Balears, Spain
| | - Miloš Dvořák
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, CZ-60200, Brno, Czech Republic
| | - Carlos Pagan-Galbarro
- FI-TRACE Group, Department of Chemistry, Faculty of Science, University of the Balearic Islands, Carretera de Valldemossa km 7.5, E-07122, Palma de Mallorca, Illes Balears, Spain
| | - Enrique Javier Carrasco-Correa
- CLECEM Group, Department of Analytical Chemistry, University of Valencia, C/ Doctor Moliner, 50, 46100, Burjassot, Valencia, Spain
| | - Pavel Kubáň
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, CZ-60200, Brno, Czech Republic
| | - Manuel Miró
- FI-TRACE Group, Department of Chemistry, Faculty of Science, University of the Balearic Islands, Carretera de Valldemossa km 7.5, E-07122, Palma de Mallorca, Illes Balears, Spain.
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Kadhim NR, Flayeh HM, Abbar AH. A new approach for cobalt (II) removal from simulated wastewater using electro membrane extraction with a flat sheet supported liquid membrane. Heliyon 2023; 9:e22343. [PMID: 38045123 PMCID: PMC10692895 DOI: 10.1016/j.heliyon.2023.e22343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 11/04/2023] [Accepted: 11/09/2023] [Indexed: 12/05/2023] Open
Abstract
The aim of this work was to efficiently remove cobalt (Co) from aqueous solutions by using a novel Electromembrane Extraction (EME) technique. This novel electrochemical cell design featured two distinct glass chambers, incorporating a Supported Liquid Membrane (SLM) composed of a polypropylene flat membrane saturated with 1-octanol and a carrier substance, as well as electrodes constructed from graphite and stainless steel. The investigation covered an exploration of various effective parameters like, carrier type, voltage across the cell, donor solution pH, and the initial Co concentration, with the overarching goal of comprehending their individual effect on Co removal efficiency. Notably, two different carriers, tris(2-ethylhexyl) phosphate (TEHP) and bis(2-ethylhexyl) phosphate (DEHP), were systematically evaluated in combination with 1-octanol. The findings underscored the pivotal role of the cell voltage in significantly enhancing the mass transfer rate of cobalt across the membrane, thereby advancing the effectiveness of the removal process. After a comprehensive optimization process, the optimal operating conditions were established as follows: employing 1-octanol with 1.0 % v/v bis(2-ethylhexyl) phosphate as a carrier, applying a voltage of 60 V, maintaining an initial pH of 5, utilizing an initial cobalt concentration of 15 mg/L, conducting an extraction for 6 h, and employing a stirring rate of 1000 rpm. Remarkably, these conditions led to the attainment of an impressive removal efficiency of 87 %. In stark contrast, when no voltage was applied, the removal efficiency did not surpass 40 %. This underscores the pivotal role of the applied voltage in enhancing the cobalt removal process under the specified conditions.
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Affiliation(s)
- Noor R. Kadhim
- Environmental Engineering Department, College of Engineering, University of Baghdad, Iraq
| | - Hussain M. Flayeh
- Environmental Engineering Department, College of Engineering, University of Baghdad, Iraq
| | - Ali H. Abbar
- Biochemical Engineering Department, Al-Khwarizmi College of Engineering, University of Baghdad, Iraq
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Martín A, Santigosa E, Ramos-Payán M. Green strategies using solvent-free biodegradable membranes in microfluidic devices. Liquid phase microextraction and electromembrane extraction. Anal Chim Acta 2023; 1274:341572. [PMID: 37455082 DOI: 10.1016/j.aca.2023.341572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 05/22/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023]
Abstract
In this work, a novel solvent-free microfluidic method based liquid phase microextraction has been proposed for the first time. A comprehensive study of liquid phase microextraction (LPME) and electromembrane extraction (EME) implemented in microfluidic formats has been carried out to investigate the efficiency of biodegradable membranes (such as agarose) without organic solvent to develop fully environmental microfluidic methods. For this study, non-polar and polar basic compounds (five) were selected as model analytes and different agarose membrane compositions were synthesized and tested with and without organic solvent (solvent-free). Under optimal experimental conditions, the extraction efficiencies obtained using solvent-free LPME-chip devices were similar to the ones obtained using solvent-free EME-chip devices at very low voltages (0.25 V), however, LPME microfluidic format was selected due to its simplicity. The proposed green microfluidic device was successfully applied in urine samples with recoveries between 80 and 93% for all analytes and relative standard deviation below 7% for all analytes. Results were compared with experiments previously conducted using conventional (polypropylene) membranes, observing that solvent-free microfluidic systems based on biodegradable solid support materials have proven to be an attractive alternative and offered the same advantages in terms of membrane stability allowing consecutive extractions compared to supported liquid membranes (SLM) microfluidic methods.
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Affiliation(s)
- Alejandro Martín
- Department of Analytical Chemistry, Faculty of Chemistry, University of Seville, C/Prof. García González s/n, 41012, Seville, Spain
| | - Elia Santigosa
- 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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Zaroudi F, Nasihatkon B, Hosseinzadeh R, Fakhari AR, Seidi S. Miniaturized on-chip electromembrane extraction with QR code-based red-green-blue analysis using a customized Android application for copper determination in environmental and food samples. Food Chem 2023; 414:135667. [PMID: 36808032 DOI: 10.1016/j.foodchem.2023.135667] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 02/03/2023] [Accepted: 02/08/2023] [Indexed: 02/15/2023]
Abstract
A miniaturized on-chip electromembrane extraction device with QR code-based red-green-blue analysis was designed to determine copper in water, food, and soil. The acceptor droplet consisted of ascorbic acid as the reducing agent and bathocuproine as the chromogenic reagent. The formation of a yellowish-orange complex was a sign of copper in the sample. Then, the qualitative and quantitative analysis of the dried acceptor droplet was done by the customized Android app that was developed based on image analysis concepts. In this application, principal component analysis was performed on the data for the first time to reduce the three dimensions, red, green, and blue, to one dimension. The effective extraction parameters were optimized. The limit of detection and limit of quantification were 0.1 µg mL-1. Intra- and inter-assay relative standard deviations ranged between 2.0 and 2.3 % and 3.1-3.7 %, respectively. The calibration range was studied between 0.1 and 25 µg mL-1 (R2 = 0.9814).
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Affiliation(s)
- Farnaz Zaroudi
- Department of Analytical Chemistry, Faculty of Chemistry, K.N. Toosi University of Technology, P.O. Box 16315-1618, Postal Code 15418-49611, Tehran, Iran; Nanomaterial, Separation and Trace Analysis Research Lab, K.N. Toosi University of Technology, P.O. Box 16315-1618, Postal Code 15418-49611, Tehran, Iran
| | - Behrooz Nasihatkon
- Faculty of Computer Engineering, K.N. Toosi University of Technology, Tehran, Iran
| | | | - Ali Reza Fakhari
- Department of Chemistry, Shahid Beheshti University, G. V., P.O. Box 1983963113 Evin, Tehran, Iran
| | - Shahram Seidi
- Department of Analytical Chemistry, Faculty of Chemistry, K.N. Toosi University of Technology, P.O. Box 16315-1618, Postal Code 15418-49611, Tehran, Iran; Nanomaterial, Separation and Trace Analysis Research Lab, K.N. Toosi University of Technology, P.O. Box 16315-1618, Postal Code 15418-49611, Tehran, Iran.
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Hadavi D, Tosheva I, Siegel TP, Cuypers E, Honing M. Technological advances for analyzing the content of organ-on-a-chip by mass spectrometry. Front Bioeng Biotechnol 2023; 11:1197760. [PMID: 37284240 PMCID: PMC10239923 DOI: 10.3389/fbioe.2023.1197760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 05/05/2023] [Indexed: 06/08/2023] Open
Abstract
Three-dimensional (3D) cell cultures, including organ-on-a-chip (OOC) devices, offer the possibility to mimic human physiology conditions better than 2D models. The organ-on-a-chip devices have a wide range of applications, including mechanical studies, functional validation, and toxicology investigations. Despite many advances in this field, the major challenge with the use of organ-on-a-chips relies on the lack of online analysis methods preventing the real-time observation of cultured cells. Mass spectrometry is a promising analytical technique for real-time analysis of cell excretes from organ-on-a-chip models. This is due to its high sensitivity, selectivity, and ability to tentatively identify a large variety of unknown compounds, ranging from metabolites, lipids, and peptides to proteins. However, the hyphenation of organ-on-a-chip with MS is largely hampered by the nature of the media used, and the presence of nonvolatile buffers. This in turn stalls the straightforward and online connection of organ-on-a-chip outlet to MS. To overcome this challenge, multiple advances have been made to pre-treat samples right after organ-on-a-chip and just before MS. In this review, we summarised these technological advances and exhaustively evaluated their benefits and shortcomings for successful hyphenation of organ-on-a-chip with MS.
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Martins RO, de Araújo GL, Simas RC, Chaves AR. ELECTROMEMBRANE EXTRACTION (EME): FUNDAMENTALS AND APPLICATIONS. TALANTA OPEN 2023. [DOI: 10.1016/j.talo.2023.100200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023] Open
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Román-Hidalgo C, Barreiros L, Villar-Navarro M, López-Pérez G, Martín-Valero MJ, Segundo MA. Electromembrane extraction based on biodegradable materials: Biopolymers as sustainable alternatives to plastics. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.117048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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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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Silva M, Mendiguchía C, Moreno C. Analytical Performance of Electromembranes as a Tool for Nanoconcentrations of Silver in Waters. MEMBRANES 2022; 13:11. [PMID: 36676818 PMCID: PMC9867316 DOI: 10.3390/membranes13010011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/12/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
Electromembranes increase the efficiency of metal transport in liquid-phase microextraction systems by applying an electric potential, which accelerates the transport. Nevertheless, to get high extraction percentages in short extraction times it is necessary to take into account a great variety of factors, and multivariate optimization techniques are the best alternative to determine the most influential variables and to optimize the extraction process. In this work, a fractional factorial design was applied to determine the most influential variables in the extraction of silver by electromembranes. Thus, the effect of tri-isobutylphosphine sulphide (Cyanex 471x) concentration in the organic solution, sodium thiosulphate concentration in the acceptor solution, nitrate concentration in the sample solution, extraction time, stirring rate and electric potential on the enrichment factor were studied. Once the most important variables were selected, a small composite design (Draper-Lin) was used to obtain their optimal values to maximize the enrichment factor. Under these conditions, an experimental enrichment factor of 49.91 ± 3.95 was achieved after 22 min. Finally, the effect of saline matrix on the enrichment factor was tested and the optimized system was successfully applied to analyse silver concentrations at ultratrace levels, within the range of 7-29 ng·L-1 in different real seawater samples.
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Yuan J, Ye L, Zhang J, Du X, Ma A, Pan J. Nonaqueous Electroextraction with Tunable Selectivity for Direct, Fast, and Exhaustive Enrichment of Per- and Polyfluoroalkyl Acids from Oils and Food Contact Materials. Anal Chem 2022; 94:15663-15670. [DOI: 10.1021/acs.analchem.2c02727] [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]
Affiliation(s)
- Jiahao Yuan
- Hygiene Detection Center, School of Public Health, Southern Medical University (NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research), Guangzhou510515, Guangdong, China
| | - Li Ye
- Hygiene Detection Center, School of Public Health, Southern Medical University (NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research), Guangzhou510515, Guangdong, China
| | - Jieyi Zhang
- Hygiene Detection Center, School of Public Health, Southern Medical University (NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research), Guangzhou510515, Guangdong, China
| | - Xiaotong Du
- Hygiene Detection Center, School of Public Health, Southern Medical University (NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research), Guangzhou510515, Guangdong, China
| | - Ande Ma
- Hygiene Detection Center, School of Public Health, Southern Medical University (NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research), Guangzhou510515, Guangdong, China
| | - Jialiang Pan
- Hygiene Detection Center, School of Public Health, Southern Medical University (NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research), Guangzhou510515, Guangdong, China
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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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15
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A simulation study of an applied approach to enhance drug recovery through electromembrane extraction. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119210] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Salt-Induced Homogeneous Liquid–Liquid Microextraction of Piroxicam and Meloxicam from Human Urine Prior to Their Determination by HPLC-DAD. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12136658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A salt-induced homogeneous liquid–liquid microextraction (SI-HLLME) protocol combined with high-performance liquid chromatography–diode array detection is presented for the first time for the determination of piroxicam and meloxicam in human urine. The main parameters affecting the performance of the sample preparation protocol were optimized by means of a two-step experimental design (i.e., 2-level fractional factorial design and Box–Behnken design). Following its optimization, the proposed method was thoroughly validated in terms of the total error concept in order to take into consideration the random and systematic errors. For the target analytes, accuracy profiles were constructed, and they were used as graphical decision-making tools. In all cases, the β-expectation tolerance intervals complied with the acceptance criteria of ±15%, proving that 95% of future results will fall within the defined bias limits. The limits of detection were 0.02 μg mL−1 and 0.03 μg mL−1 for piroxicam and meloxicam, respectively. The relative standard deviations were lower than 4.4% in all cases, and the mean relative biases ranged between −5.7 and 3.4% for both drugs. The proposed scheme is simple and rapid, while it is characterized by high sample throughput. Moreover, SI-HLLME requires reduced sample and reagent consumption, according to the requirements of Green Analytical Chemistry.
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Roszkowska A, Plenis A, Kowalski P, Bączek T, Olędzka I. Recent advancements in techniques for analyzing modern, atypical antidepressants in complex biological matrices and their application in biomedical studies. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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18
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Evaluation of complexing agents in the gel electro-membrane extraction: An efficient approach for the quantification of zinc (II) ions in water samples. Talanta 2022; 238:123031. [PMID: 34857349 DOI: 10.1016/j.talanta.2021.123031] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/30/2021] [Accepted: 11/01/2021] [Indexed: 11/22/2022]
Abstract
In this work, gel electro-membrane extraction (G-EME) combined with flame atomic absorption spectrometry (FAAS) was used for the determination of zinc ions (Zn2+) in water samples. For the first time, the effect of the presence of three types of complexing agents such as phenanthroline (Phen), crown ethers (12C4, 15C5, 18C6), and ethylene-diamine-tetra-acetic acid (EDTA) on the extraction efficiency of zinc ions was studied. In addition, the electroendosmosis (EEO) flow as an unwanted actuator was monitored in the presence and absence of complexing agents. By applying 50 V electrical potential across the membrane, the positive charged Zn2+ ions were migrated from a donor phase (pH 5.0) through the agarose gel membrane (pH 5.0, containing a complexing agent) into the acceptor phase (pH 3.0). The obtained results showed that the highest extraction recoveries were obtained when crown ethers, especially 1% (w/v) 18C6 was added to the gel membrane. In addition, EEO flow was decreased in the presence of all complexing agents (except EDTA), probably due to the increase in electrical resistance. Using the optimum conditions, the limit of detection (LOD), the limit of quantification (LOQ), and extraction recovery% (ER%) were 5.0 μg L-1, 15.0 μg L-1, and 92.5%, respectively. In the end, the applicability of the developed approach was successfully evaluated to determine Zn2+ in tap, mineral, and river water samples.
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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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Manousi N, Vlachaki A, Kika FS, Markopoulou CK, Tzanavaras PD, Zacharis CK. Salting-out homogeneous liquid-liquid microextraction for the determination of azole drugs in human urine: Validation using total error concept. J Sep Sci 2022; 45:1240-1251. [PMID: 35000279 DOI: 10.1002/jssc.202100942] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/29/2021] [Accepted: 01/05/2022] [Indexed: 12/12/2022]
Abstract
A salting-out homogeneous liquid-liquid microextraction was proposed for the quantification of four azole drugs in human urine prior to high-performance liquid chromatography analysis. The procedure involved the mixing of the sample with acetonitrile in appropriate volumes followed by the addition of sodium sulfate solution in order to facilitate phase separation. The parameters influencing the extraction performance were studied and optimized using a two-step experimental design. The analytical procedure was thoroughly validated using the accuracy profiles as a graphical decision-making tool. The β-expectation tolerance intervals did not exceed the acceptance criteria of ±15% meaning that 95% of future results will be included in the defined bias limits. The limits of detection of the procedure were satisfactory, ranging between 0.01 and 0.03 μg/mL. The mean analytical bias in the spiking levels was satisfactory and ranged between -10.3 and 4.2% while the relative standard deviation was lower than 5.6%. Monte-Carlo simulations followed by capability analysis were employed to investigate the ruggedness of the sample preparation protocol. The developed method offers advantages compared to previously reported approaches for the same type of analysis including extraction efficiency and scaling down of the sample volume and extraction time.
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Affiliation(s)
- Natalia Manousi
- Laboratory of Analytical Chemistry, Department of Chemistry, Faculty of Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Adamantia Vlachaki
- Laboratory of Pharmaceutical Analysis, Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Fotini S Kika
- Department of Hematology, Bone Marrow Transplantation Unit, George Papanikolaou General Hospital, Thessaloniki, Greece
| | - Catherine K Markopoulou
- Laboratory of Pharmaceutical Analysis, Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Paraskevas D Tzanavaras
- Laboratory of Analytical Chemistry, Department of Chemistry, Faculty of Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Constantinos K Zacharis
- Laboratory of Pharmaceutical Analysis, Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Maiphetlho K, Chimuka L, Tutu H, Richards H. Technical design and optimisation of polymer inclusion membranes (PIMs) for sample pre-treatment and passive sampling - A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 799:149483. [PMID: 34426342 DOI: 10.1016/j.scitotenv.2021.149483] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 07/14/2021] [Accepted: 08/01/2021] [Indexed: 06/13/2023]
Abstract
This review reports on the increasing interest in technical designs, calibration, and application of PIM-based devices in sample pre-treatment and passive sampling in environmental water monitoring from 2010 to 2021. With regards to passive sampling, devices are calibrated in a laboratory setup using either a dip-in or flow-through approach before environmental application. In sample preparation, the device set-ups can be offline, online or in a continuous flow separation device connected to a flow injection analysis system. The PIMs have also demonstrated potential in both these offline and online separations; however, there is still a draw-back of low diffusion coefficients obtained in these PIM set-ups. Electro-driven membrane (EME) extraction has demonstrated better performance as well as improved analyte flux. Critical in electro-driven membrane extraction is applying correct voltage that may not compromise the PIM performance due to leaching of components to the aqueous solutions. Further, besides different PIM configurations and designs being developed, PIM based extractions are central to PIM components (base polymer, carrier and plasticizer). As such, recent studies have also focused on improving PIM stability by investigating use of various PIM components, incorporating nano additives into the PIM composition, and investigating novel green PIM synthetic routes. All these aspects are covered in this review. Further, some recent studies that have demonstrated the ability to eliminate effects of flow patterns and membrane biofouling in PIM based applications are also included.
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Affiliation(s)
- Kgomotso Maiphetlho
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Private Bag X3, WITS, 2050 Johannesburg, South Africa
| | - Luke Chimuka
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Private Bag X3, WITS, 2050 Johannesburg, South Africa
| | - Hlanganani Tutu
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Private Bag X3, WITS, 2050 Johannesburg, South Africa
| | - Heidi Richards
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Private Bag X3, WITS, 2050 Johannesburg, South Africa.
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22
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Polyvinyl chloride-based membranes: A review on fabrication techniques, applications and future perspectives. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119678] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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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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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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Hu B, Ouyang G. In situ solid phase microextraction sampling of analytes from living human objects for mass spectrometry analysis. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116368] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Hansen FA, Petersen NJ, Kutter JP, Pedersen-Bjergaard S. Electromembrane extraction in microfluidic formats. J Sep Sci 2021; 45:246-257. [PMID: 34562339 DOI: 10.1002/jssc.202100603] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/20/2021] [Accepted: 09/20/2021] [Indexed: 11/09/2022]
Abstract
Electromembrane extraction is a microextraction technique where charged analytes are extracted across a supported liquid membrane and selectively isolated from the sample based on an electrical field. Since the introduction in 2006, there has been continuously increasing interest in electromembrane extraction, and currently close to 50 new articles are published per year. Electromembrane extraction can be performed in different technical configurations, based on standard laboratory glass vials or 96-well plate systems, and applications are typically related to pharmaceutical, environmental, and food and beverages analysis. In addition to this, conceptual research has developed electromembrane extraction into different milli- and microfluidic formats. These are much more early-stage activities, but applications among others related to organ-on-chip systems and smartphone detection indicate unique perspectives. To stimulate more research in this direction, the current article reviews the scientific literature on electromembrane extraction in milli- and microfluidic formats. About 20 original research articles have been published on this subject so far, and these are discussed critically in the following. Based on this and the authors own experiences with the topic, we discuss perspectives, challenges, and future research.
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Affiliation(s)
| | - Nickolaj Jacob Petersen
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jörg P Kutter
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Stig Pedersen-Bjergaard
- Department of Pharmacy, University of Oslo, Oslo, Norway.,Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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Abdel-Tawab MAH, Abd El-Moghny MG, El Nashar RM. Recent advances in the chromatographic determination of the most commonly used anti-hepatitis C drug sofosbuvir and its co-administered drugs in human plasma. Biomed Chromatogr 2021; 36:e5238. [PMID: 34469609 DOI: 10.1002/bmc.5238] [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: 04/17/2021] [Revised: 08/08/2021] [Accepted: 08/26/2021] [Indexed: 11/10/2022]
Abstract
Sofosbuvir is a direct-acting antiviral drug that inhibits hepatitis C virus (HCV) NS5B polymerase, which in turn affects the virus replication inside biological systems. The clinical importance of sofosbuvir is based not only on its effect on HCV but also on other lethal viruses such as Zika and severe acute respiratory syndrome coronavirus disease 2019 (SARS-COVID-19). Accordingly, there is a continuous shedding of light on the development and validation of accurate and fast analytical methods for the determination of sofosbuvir in different environments. This work critically reviews the recent advances in chromatographic methods for the analysis of sofosbuvir and/or its metabolites in pure samples, pharmaceutical dosage forms, and in the presence of other co-administered drugs to highlight the current status and future perspectives to enhance its determination in different matrixes.
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28
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Mousa A, Basheer C, Abdullah M, Al-Rimawi F. Biosynthesized silver nanoparticle-coated electro-membrane extraction of perchlorate in different seafood samples. Biomed Chromatogr 2021; 35:e5196. [PMID: 34115393 DOI: 10.1002/bmc.5196] [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: 02/18/2021] [Revised: 05/22/2021] [Accepted: 06/08/2021] [Indexed: 11/12/2022]
Abstract
In this work we developed a rapid and straightforward technique in which biosynthesized silver nanoparticles (Ag-NPs) were coated on a porous membrane utilizing electrical potential to extract perchlorate from seafood samples. The biosynthesized Ag-NPs were well characterized using UV-Vis. spectrophotometry, X-ray diffraction, and scanning electron microscopy. After extraction, analyses were performed using ion chromatography. The Ag-NP-coated porous polypropylene membrane shows higher extraction efficiency due to the high electrical conductivity of the Ag-NPs. The performance of this efficient technique was compared with those previously reported in the literature. The extraction variables that affect extraction of the target analyte and influence percentage recovery, such as pH of the sample solution, extraction time, and applied voltage, were investigated and optimized. The results demonstrated optimum conditions to achieve low detection limits [LODs (limits of detection)]: sample solution (pH = 6), short extraction time (10 min), and applied voltage (5 V). The developed method shows excellent linearity for perchlorate ion in the range from 0.001 to 350 μg L-1 with a coefficient of determination (r2 ) of 0.9991. The detection limit (LODs) and quantification limits (limits of quantification) were found to be 0.04 and 0.1225 μg kg-1 , respectively. The mean recovery percentages for three replicates of 10 different spiked fish samples by 3 μg g-1 of perchlorate were between 92.2 and 106.2%, with an observed relative standard deviation in the range of 0.8-3.7%. The proposed method is rapid, sensitive, inexpensive, environmentally friendly, and highly effective in extracting perchlorate from different seafood samples.
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Affiliation(s)
- Amayreh Mousa
- Department of Chemistry, College of Science, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia
| | - Chanbasha Basheer
- Department of Chemistry, College of Science, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia
| | - Mohanad Abdullah
- Department of Chemistry, College of Science, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia
| | - Fuad Al-Rimawi
- Department of Chemistry, Faculty of Science and Technology, Al-Quds University, East Jerusalem, Palestine
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El-Yazbi AF, Khalifa Y, Elkhatib MA, El-Yazbi AF. Green analytical method for the determination of sofosbuvir, ledipasvir, ribavirin and complex silymarin flavonoids simultaneously in biological fluids. Microchem J 2021. [DOI: 10.1016/j.microc.2021.105964] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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30
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Improved Sensitivity in Hydrophilic Interaction Liquid Chromatography-Electrospray-Mass Spectrometry after Removal of Sodium and Potassium Ions from Biological Samples. Metabolites 2021; 11:metabo11030170. [PMID: 33804267 PMCID: PMC7999259 DOI: 10.3390/metabo11030170] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/09/2021] [Accepted: 03/12/2021] [Indexed: 12/20/2022] Open
Abstract
Inorganic ions, such as sodium and potassium, are present in all biological matrices and are sometimes also added during sample preparation. However, these inorganic ions are known to hamper electrospray ionization -mass spectrometry (ESI-MS) applications, especially in hydrophilic interaction liquid chromatography (HILIC) where they are retained and can be detected as adducts and clusters with mobile phase components or analytes. The retention of inorganic ions leads to co-elution with analytes and as a result ion-suppression, extensive adduct formation and problems with reproducibility. In the presented work, a sample preparation method using cation exchange solid phase extraction (SPE) was developed to trap Na+ and K+ ions from human blood plasma and head and neck cancer cells for the analysis of small cationic, anionic as well as neutral organic analytes. The investigated analytes were small, hydrophilic compounds typically in focus in metabolomics studies. The samples were analyzed using full-scan HILIC-ESI-quadrupole time of flight (QTOF)-MS with an untargeted, screening approach. Method performance was evaluated using multivariate data analysis as well as relative quantifications, spiking of standards to evaluate linearity of response and post-column infusion to study ion-suppression. In blood plasma, the reduction of sodium and potassium ion concentration resulted in improved sensitivity increased signal intensity for 19 out of 28 investigated analytes, improved linearity of response, reduced ion-suppression and reduced cluster formation as well as adduct formation. Thus, the presented method has significant potential to improve data quality in metabolomics studies.
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An overview on the recent applications of agarose as a green biopolymer in micro-extraction-based sample preparation techniques. Talanta 2021; 224:121892. [DOI: 10.1016/j.talanta.2020.121892] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 11/10/2020] [Accepted: 11/11/2020] [Indexed: 12/19/2022]
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On-line coupling of two-phase microelectroextraction to capillary electrophoresis – Mass spectrometry for metabolomics analyses. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105741] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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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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Amador VS, Moreira JS, Augusti R, Orlando RM, Piccin E. Direct coupling of paper spray mass spectrometry and four-phase electroextraction sample preparation. Analyst 2021; 146:1057-1064. [PMID: 33331369 DOI: 10.1039/d0an01699c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This paper presents a novel coupling between a four-phase electroextraction (EE) system and paper spray mass spectrometry (PS-MS) for the extraction, pre-concentration, and direct analysis of target compounds in different samples. The approach, EE-PS-MS, is based on the sorption of analytes directly on the tip of a triangular-shaped chromatographic paper, with subsequent prompt analysis by PS-MS. Thus, no off-line extraction step is required before the PS analysis, improving the protocol efficiency and reducing the analysis time. In addition to functioning as a porous material to absorb the target compounds, the chromatographic paper also served as the support for one of the aqueous phases of the optimized four-phase electroextraction system. Extraction conditions, such as the composition of the donor and organic phases, applied electric potential, and extraction time, were optimized. Three different applications, involving biofluid, food, and water quality analysis, were evaluated as a proof-of-concept. These applications involved the determination of (i) cocaine and lidocaine in saliva, (ii) malachite green in tap water, and (iii) bisphenol A (BPA) in red wine. When compared with direct PS-MS, the novel EE-PS-MS protocol improved the sensitivities by factors ranging from 14 to 110, depending on the analyte and the sample. The electroextraction procedures were performed on a laboratory-built 66-well plate, which offered the functionality of simultaneous sample handling and, most importantly, improved analytical throughput.
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Affiliation(s)
- Victoria Silva Amador
- Universidade Federal de Minas Gerais, Instituto de Ciências Exatas, Departamento de Química, Belo Horizonte, MG, Brazil.
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Simultaneous separation and quantification of acidic and basic dye specimens via a dual gel electro-membrane extraction from real environmental samples. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2021. [DOI: 10.1007/s13738-021-02167-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Viana JDS, Caneschi de Freitas M, Botelho BG, Orlando RM. Large-volume electric field-assisted multiphase extraction of malachite green from water samples: A multisample device and method validation. Talanta 2021; 222:121540. [PMID: 33167248 DOI: 10.1016/j.talanta.2020.121540] [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: 05/30/2020] [Revised: 08/06/2020] [Accepted: 08/08/2020] [Indexed: 10/23/2022]
Abstract
In this work, a new large-volume multiphase, multi-sample electroextraction device was developed and applied to selectively extract malachite green (MG) from water samples. This device was easily constructed with ordinary materials and capable of extracting ten samples simultaneously, obtaining MG preconcentrated on a solid support, to fit into a pipette tip. A multi-well plate was applied to extract MG from aquaculture water samples, and the extracts containing the desorbed MG were analysed by LC-DAD and LC-MS/MS. The signals from both detectors were used in two independent validation procedures. Linearity, matrix effect, selectivity, precision, trueness, and limits of detection and quantification were all evaluated. For both detectors, linearity was demonstrated in the range of 0.5-5 μg L-1 (R2 > 0.98). Matrix effect was insignificant for LC-DAD only, and the average preconcentration factor was about 60 times. Recoveries ranged from 94 to 113% for LC-DAD and 95-115% for LC-MS/MS analysis. ANOVA was applied to estimate the standard deviation under repeatability (6.96-8.61% for LC-DAD and 5.98-7.41% for LC-MS/MS) and within-reproducibility (6.96-8.61% for LC-DAD and 6.56-7.41% for LC-MS/MS) conditions. The limits of detection and quantification for LC-MS/MS analysis were 4.29 and 28.74 ng L-1, respectively, while, for LC-DAD, these limits were 14.29 and 95.81 ng L-1, respectively. The results demonstrated that the developed method was suitable for determining MG in water samples, and the large-volume multiphase, multi-sample electroextraction device proved to be a powerful sample preparation technique to obtain high clean-up and large preconcentration levels, which are of paramount importance for environmental applications.
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Affiliation(s)
- Jaime Dos Santos Viana
- Laboratório de Microfluídica e Separações, LaMS, Departamento de Química, Universidade Federal de Minas Gerais, Belo Horizonte, 30123-970, Minas Gerais, Brazil
| | - Marina Caneschi de Freitas
- Laboratório de Microfluídica e Separações, LaMS, Departamento de Química, Universidade Federal de Minas Gerais, Belo Horizonte, 30123-970, Minas Gerais, Brazil
| | - Bruno Gonçalves Botelho
- Laboratório de Microfluídica e Separações, LaMS, Departamento de Química, Universidade Federal de Minas Gerais, Belo Horizonte, 30123-970, Minas Gerais, Brazil
| | - Ricardo M Orlando
- Laboratório de Microfluídica e Separações, LaMS, Departamento de Química, Universidade Federal de Minas Gerais, Belo Horizonte, 30123-970, Minas Gerais, Brazil.
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Application of microextraction techniques in alternative biological matrices with focus on forensic toxicology: a review. Bioanalysis 2020; 13:45-64. [PMID: 33326299 DOI: 10.4155/bio-2020-0241] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The interest in alternative biological matrices (e.g., hair and saliva) for forensic toxicology analysis has increased, and recent developments in sample preparation have targeted rapid, cheap, efficient and eco-friendly methods, including microextraction techniques. For this review, we have gathered information about these two hot topics. We discuss the composition, incorporation of analytes and advantages and disadvantages of different biological matrices, and also present the operation principles of the most reported microextraction procedures and their application in forensic toxicology. The outcome of this review may encourage future forensic researches into alternative samples and microextraction techniques.
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Trends and perspectives in per-and polyfluorinated alkyl substances (PFASs) determination: Faster and broader. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.116114] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Bavlovič Piskáčková H, Øiestad EL, Váňová N, Lengvarská J, Štěrbová-Kovaříková P, Pedersen-Bjergaard S. Electromembrane extraction of anthracyclines from plasma: Comparison with conventional extraction techniques. Talanta 2020; 223:121748. [PMID: 33298272 DOI: 10.1016/j.talanta.2020.121748] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 10/01/2020] [Accepted: 10/05/2020] [Indexed: 01/05/2023]
Abstract
Electromembrane extraction (EME) of the polar zwitterionic drugs, anthracyclines (ANT, doxorubicin, daunorubicin and its metabolite daunorubicinol), from rabbit plasma was investigated. The optimized EME was compared to conventional sample pretreatment techniques such as protein precipitation (PP) and liquid-liquid extraction (LLE), mainly in terms of extraction reliability, recovery and matrix effect. In addition, phospholipids profile in the individual extracts was evaluated. The extracted samples were analyzed using UHPLC-MS/MS with electrospray ionization in positive ion mode. The method was validated within the concentration range of 0.25-1000 ng/mL for all tested ANT. Compared with PP and LLE, the EME provided high extraction recovery (more than 80% for all ANT) and excellent sample clean-up (matrix effect were 100 ± 10% with RSD values lower than 4% for all ANT). Furthermore, only negligible amounts of phospholipids were detected in the EME samples. Finally, practical applicability of EME was proved by analysis of plasma samples taken from a pilot in vivo study in rabbits. Consistent results were obtained when using both EME and LLE to extract the plasma prior to the analysis, which further confirmed high reliability of EME. This study clearly showed that EME is a simple, rapid, repeatable technique for extraction of ANT from plasma and it is an up to date alternative to routine conventional extraction techniques.
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Affiliation(s)
- Hana Bavlovič Piskáčková
- Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, 500 05, Hradec Králové, Czech Republic
| | - Elisabeth Leere Øiestad
- Department of Pharmacy, University of Oslo, P.O.Box 1068 Blindern, 0316, Oslo, Norway; Oslo University Hospital, Division of Laboratory Medicine, Department of Forensic Sciences, P.O. Box 4459 Nydalen, 0424, Oslo, Norway
| | - Nela Váňová
- Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, 500 05, Hradec Králové, Czech Republic
| | - Júlia Lengvarská
- Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, 500 05, Hradec Králové, Czech Republic
| | - Petra Štěrbová-Kovaříková
- Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, 500 05, Hradec Králové, Czech Republic
| | - 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.
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Gel electromembrane extraction using rotating electrode: A new strategy for mass transfer enhancement of basic drugs from real human urine samples. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1152:122258. [DOI: 10.1016/j.jchromb.2020.122258] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 06/25/2020] [Accepted: 06/26/2020] [Indexed: 02/01/2023]
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Mahdavi P, Nojavan S, Asadi S. An investigation on the effect of filtration and dilution of biological samples on electromembrane extraction efficiency: Determination of basic drugs in plasma and urine samples. SEPARATION SCIENCE PLUS 2020. [DOI: 10.1002/sscp.202000058] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Parisa Mahdavi
- Department of analytical chemistry and pollutants Shahid Beheshti University Tehran Tehran Iran
| | - Saeed Nojavan
- Department of analytical chemistry and pollutants Shahid Beheshti University Tehran Tehran Iran
| | - Sakine Asadi
- Department of analytical chemistry and pollutants Shahid Beheshti University Tehran Tehran Iran
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Impedance model for voltage optimization of parabens extraction in an electromembrane millifluidic device. J Chromatogr A 2020; 1625:461270. [DOI: 10.1016/j.chroma.2020.461270] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 05/10/2020] [Accepted: 05/21/2020] [Indexed: 12/16/2022]
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Aranda-Merino N, Ramos-Payán M, Callejón-Mochón M, Villar-Navarro M, Fernández-Torres R. Comparison of three electromembrane-based extraction systems for NSAIDs analysis in human urine samples. Anal Bioanal Chem 2020; 412:6811-6822. [PMID: 32696068 DOI: 10.1007/s00216-020-02804-4] [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: 05/15/2020] [Revised: 06/23/2020] [Accepted: 07/03/2020] [Indexed: 10/23/2022]
Abstract
A comparative study on the extraction efficiency of five non-steroidal anti-inflammatories was carried out using three different electromembrane extraction (EME) devices with different geometries. The employed setups were (a) a hollow fiber configuration (HF-EME), (b) a microfluidic device that allows working in semi-dynamic mode (μF-EME), and (c) a static miniaturized flat membrane device (FM-EME). Each system was applied to the extraction of salicylic acid (SAC), ketoprofen (KTP), naproxen (NAX), diclofenac (DIC), and ibuprofen (IBU) and subsequent determination by high-performance liquid chromatography with UV and fluorescence detection (HPLC/UV-DAD-FLD). Voltage, pH composition, and extraction time were optimized for all devices. Additionally, volume ratio was investigated for HF-EME and FM-EME and flow rate for the microfluidic device. HF-EME provides the best result in terms of sensitivity with a limit of detection (LOD) between 0.1 and 1.5 ng mL-1 for SAC and KTP, respectively, while LODs for μF-EME were between 100 ng mL-1 and 400 ng mL-1 for SAC and DIC, respectively; however, a lower amount of sample was required. Finally, the obtained results, in terms of enrichment factors and extraction recoveries, were discussed to establish the advantages and disadvantages of each device. The proposed EME methods were successfully applied to the determination of the target analytes in fortified human urine samples. Graphical abstract.
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Affiliation(s)
- Noemí Aranda-Merino
- Department of Analytical Chemistry, Faculty of Chemistry, University of Seville, c/Profesor García González s/n, 41012, Seville, Spain
| | - María Ramos-Payán
- Department of Analytical Chemistry, Faculty of Chemistry, University of Seville, c/Profesor García González s/n, 41012, Seville, Spain
| | - Manuel Callejón-Mochón
- Department of Analytical Chemistry, Faculty of Chemistry, University of Seville, c/Profesor García González s/n, 41012, Seville, Spain
| | - Mercedes Villar-Navarro
- Department of Analytical Chemistry, Faculty of Chemistry, University of Seville, c/Profesor García González s/n, 41012, Seville, Spain.
| | - Rut Fernández-Torres
- Department of Analytical Chemistry, Faculty of Chemistry, University of Seville, c/Profesor García González s/n, 41012, Seville, Spain.
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Gel electromembrane extraction: Study of various gel types and compositions toward diminishing the electroendosmosis flow. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104520] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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45
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Integration of three-phase microelectroextraction sample preparation into capillary electrophoresis. J Chromatogr A 2020; 1610:460570. [PMID: 31607447 DOI: 10.1016/j.chroma.2019.460570] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 09/25/2019] [Accepted: 09/25/2019] [Indexed: 12/18/2022]
Abstract
A major strength of capillary electrophoresis (CE) is its ability to inject small sample volumes. However, there is a great mismatch between injection volume (typically <100 nL) and sample volumes (typically 20-1500 µL). Electromigration-based sample preparation methods are based on similar principles as CE. The combination of these methods with capillary electrophoresis could tackle obstacles in the analysis of dilute samples. This study demonstrates coupling of three-phase microelectroextraction (3PEE) to CE for sample preparation and preconcentration of large volume samples while requiring minimal adaptation of CE equipment. In this set-up, electroextraction takes place from an aqueous phase, through an organic filter phase, into an aqueous droplet that is hanging at the capillary inlet. The first visual proof-of-concept for this set-up showed successful extraction using the cationic dye crystal violet (CV). The potential of 3PEE for bioanalysis was demonstrated by successful extraction of the biogenic amines serotonin (5-HT), tyrosine (Tyr) and tryptophan (Trp). Under optimized conditions limits of detection (LOD) were 15 nM and 33 nM for 5-HT and Tyr respectively (with Trp as an internal standard). These LODs are comparable to other similar preconcentration methods that have been reported in conjunction with CE. Good linearity (R2 > 0.9967) was observed for both model analytes. RSDs for peak areas in technical replicates, interday and intraday variability were all satisfactory, i.e., below 14%. 5-HT, Tyr and Trp spiked to human urine were successfully extracted and separated. These results underline the great potential of 3PEE as an integrated enrichment technique from biological samples and subsequent sensitive metabolomics analysis.
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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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Sun Y, Wang Z, Wang Y, Liu M, Li S, Tang L, Wang S, Yang X, Ji S. Improved transport of gold(I) from aurocyanide solution using a green ionic liquid-based polymer inclusion membrane with in-situ electrodeposition. Chem Eng Res Des 2020. [DOI: 10.1016/j.cherd.2019.10.040] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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48
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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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Abstract
The current clinical and forensic toxicological analysis of body fluids requires a modern approach to sample preparation characterized by high selectivity and enrichment capability, suitability for micro-samples, simplicity and speed, and the possibility of automation and miniaturization, as well as the use of small amounts of reagents, especially toxic solvents. Most of the abovementioned features may be realized using so-called microextraction techniques which cover liquid-phase techniques (e.g., single-drop microextraction, SDME; dispersive liquid–liquid microextraction, DLLME; hollow-fiber liquid-phase microextraction, HF-LPME) and solid-phase extraction techniques (solid-phase microextraction, SPME; microextraction in packed syringes, MEPS; disposable pipette tip extraction, DPX; stir bar sorption extraction, SBSE). Some other extraction methodologies like dispersive solid-phase extraction (d-SPE) or magnetic solid-phase extraction (MSPE) can also be easily miniaturized. This review briefly describes and characterizes the abovementioned extraction methods, and then presents their current applications to the preparation of body fluids analyzed for bioactive compounds in combination with appropriate analytical methods, mainly chromatographic and related techniques. The perspectives of the analytical area we are interested in are also indicated.
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Liquid - Phase microextraction and electromembrane extraction in millifluidic devices:A tutorial. Anal Chim Acta 2019; 1080:12-21. [DOI: 10.1016/j.aca.2019.05.075] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 05/30/2019] [Accepted: 05/31/2019] [Indexed: 01/20/2023]
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