A novel approach for electromembrane extraction based on the use of silver nanometallic-decorated hollow fibers |
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Authors: | María Ramos-Payán Rut Fernández-Torres Juan Luis Pérez-Bernal Manuel Callejón-Mochón Miguel Ángel Bello-López |
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Institution: | 1. Department of Analytical Chemistry, Faculty of Chemistry, University of Seville, 41012 Seville, Spain;2. Department of Analytical Chemistry, Lineberguer Cancer Center, The University of North Carolina at Chapel Hill, NC, United States;3. Research Centre of Health and Environment (CYSMA), University of Huelva, Spain |
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Abstract: | A novel approach based on the use of nanometallic-decorated hollow fibers to assist electromembrane extraction is proposed. Microporous polypropylene hollow fibers, on which nanometallic silver was deposited, have been used for the first time as liquid membrane support in electromembrane extraction (EME). Different methods for the generation/deposition of silver nanoparticles (AgNPs) were studied. The best results were obtained with chemical reduction of silver nitrate using NaBH4 in aqueous solution followed by direct deposition on the hollow fibers. The extraction performance of the new supports was compared with a previously developed EME procedure used for the extraction of selected non-steroidal anti-inflammatory drugs (NSAIDs), resulting in an increase in the extraction ratio by a factor of 1.2–2 with a 30% reduction in the extraction time. The new nanometallic-decorated supports open new possibilities for EME due to the singular properties of nanometallic particles, including chemical fiber functionalization. |
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Keywords: | Silver nanometallic-decorated hollow fiber Electromembrane extraction Non-steroidal anti-inflammatory drugs Microporous polypropylene hollow fiber |
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