Artículo
Green microfluidic liquid-phase microextraction of polar and non-polar acids from urine
Autor/es | Santigosa, Elia
Pedersen-Bjergaard, Stig Muñoz, María Ramos Payán, María Dolores |
Departamento | Universidad de Sevilla. Departamento de Química Analítica |
Fecha de publicación | 2021-04 |
Fecha de depósito | 2024-08-21 |
Publicado en |
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Resumen | In this work, hippuric acid (log P = 0.5), anthranilic acid (log P = 1.3), ketoprofen (log P = 3.6), and naproxen (log P = 3.0) were simultaneously extracted by a green microfluidic device based on the principles of ... In this work, hippuric acid (log P = 0.5), anthranilic acid (log P = 1.3), ketoprofen (log P = 3.6), and naproxen (log P = 3.0) were simultaneously extracted by a green microfluidic device based on the principles of liquid-phase microextraction (LPME). Different deep eutectic solvents (DESs) were investigated as supported liquid membrane (SLM), and a mixture of camphor and menthol as eutectic solvents in the molar ratio 1:1 was found to be highly efficient for the simultaneous extraction of non-polar and polar acidic drugs. LPME was conducted for 6 min per sample. Urine sample was delivered to the system at 1 μL min−1, and target analytes were extracted exhaustively (75–100% recovery) across the DES SLM, and into pure aqueous phosphate buffer pH 11.0 delivered as acceptor at 1 μL min−1. The acceptor was analyzed with liquid chromatography-UV detection. Interestingly, the DES enabled extraction of both the polar and non-polar model analytes at the same time; all chemicals were green and non-hazardous, and the chemical waste was less than 1 mg per sample. |
Agencias financiadoras | Agencia de Gestió d’Ajusts Universitaris i the Recerca (GENCAT) |
Identificador del proyecto | 2017-SGR-329 |
Cita | Santigosa, E., Pedersen-Bjergaard, S., Muñoz, M. y Ramos Payán, M.D. (2021). Green microfluidic liquid-phase microextraction of polar and non-polar acids from urine. Analytical and Bioanalytical Chemistry, 413 (14), 3717-3723. https://doi.org/10.1007/s00216-021-03320-9. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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10.1007s00216-021-03320-9.pdf | 464.1Kb | [PDF] | Ver/ | Versión aceptada |
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