2021
DOI: 10.1002/jssc.202100603
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Electromembrane extraction in microfluidic formats

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… Show more

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Cited by 32 publications
(16 citation statements)
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“…25 The current recommendations and associated extraction performance are derived from prototype commercial EME equipment and are principally valid for this format that uses horizontal agitation. Conclusions regarding extraction selectivity (i.e., extraction windows) are, however, expected to be valid for other technical formats as well, such as 96-well 26 or microfluidic devices, 27 where geometries and means of convection are different. This is because the selectivity principally is governed by the hydrophobicity and chemical interactions between the SLM and analyte, which is independent of the equipment geometry and associated convection of aqueous solutions.…”
Section: ■ Results and Discussionmentioning
confidence: 99%
“…25 The current recommendations and associated extraction performance are derived from prototype commercial EME equipment and are principally valid for this format that uses horizontal agitation. Conclusions regarding extraction selectivity (i.e., extraction windows) are, however, expected to be valid for other technical formats as well, such as 96-well 26 or microfluidic devices, 27 where geometries and means of convection are different. This is because the selectivity principally is governed by the hydrophobicity and chemical interactions between the SLM and analyte, which is independent of the equipment geometry and associated convection of aqueous solutions.…”
Section: ■ Results and Discussionmentioning
confidence: 99%
“…The fluids, more cells, and extras such as protein fibers and minerals surround and surround the cells. A robust framework is needed to culture cells and investigate the outcomes of living model in an in-vitro environment ( Guo et al, 2018 ; Lin et al, 2020 ; Hansen et al, 2022 ). In preparation, chips are composed of a mass quantity of materials to strengthen the structure and other materials for bio surface characteristics and functional alteration.…”
Section: Design and Materialsmentioning
confidence: 99%
“…Although there are hollow fiber-based LPME methods that offer higher enrichments [36], they require a much larger sample volume and longer extraction times, and hence, the importance of investigating new miniaturized designs. This new microfluidic method simultaneously extracts polar and non-polar acidic compounds offering good enrichment factors (11)(12)(13)(14)(15)(16)(17)(18), it reduces the sample volume consumption 4 times compared to other stagnant microfluidic methods, it reduces the extraction time, and it is low-cost and simple to handle since it does not need a power supply. Higher enrichment factors (up to 32) can be achieved by consuming 900 µL of sample and completing the extraction in 30 min.…”
Section: Donor Flow Rate and Extraction Time Optimizationmentioning
confidence: 99%
“…As seen in the table, recoveries between 72 and 89% were obtained for all analytes (1:1 diluted samples), except for ANT (44%), and the relative standard deviations were below 3% in all cases. A higher 1:2 urine sample dilution offers recoveries of ANT over 75%; so considering its EF (18) and the expected concentration values in urine, it would be possible to use 1:2 or even higher urine dilutions to improve spiked recoveries of ANT.…”
Section: Urine Sample Analysismentioning
confidence: 99%
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