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Listar Química Analítica por autor "Ramos Payán, María Dolores"
Mostrando ítems 1-20 de 21
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Artículo
A comprehensive study of a new versatile microchip device based liquid phase microextraction for stopped-flow and double-flow conditions
Ramos Payán, María Dolores; Santigosa-Murillo, Elia; Coello, Jordi; Bello López, Miguel Ángel (Elservier, 2018-04-30)A new geometry for a versatile microfluidic-chip device based liquid phase microextraction was developed in order to enhance ...
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Artículo
A microfluidic liquid phase microextraction method for drugs and parabens monitoring in human urine
Dowlatshah, Samira; Saraji, Mohammad; Fernández Torres, Rut; Ramos Payán, María Dolores (Elsevier, 2021)Frequent consumption of pharmaceuticals and personal care products (PPCPs) have emerged as a current problem that highlights ...
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Artículo
A New Microchip Design. A Versatile Combination of Electromembrane Extraction and Liquid-Phase Microextraction in a Single Chip Device
Ramos Payán, María Dolores; Santigosa, Elia; Fernández Torres, Rut; Bello López, Miguel Ángel (American Chemical Society, 2018-08-09)For thefirst time, a novel and versatile microfluidic device wasdeveloped to achieve the possibility of combining different ...
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Artículo
A Novel Integrated Platform Enabling Simultaneous Microextraction and Chemical Analysis on-chip
Santigosa Murillo, Elia; Moreno, Alexandre; Ramos Payán, María Dolores; Ríos, Juan Manuel; Muñoz Berbel, Xavier; Muñoz, María; Giménez Gómez, Pablo (Elsevier, 2023)The nature and size of biological, pharmaceutical or environmental analytes complicates their extraction and detection ...
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Artículo
A rapid and versatile microfluidic method for the simultaneous extraction of polar and non-polar basic pharmaceuticals from human urine
Santigosa, Elia; Pedersen-Bjergaard, Stig; Giménez Gómez, Pablo; Muñoz, María; Ramos Payán, María Dolores (Elsevier, 2022)In sample preparation, simultaneous extraction of analytes of very different polarity from biological matrixes represents ...
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Artículo
A selective and efficient microfluidic method-based liquid phase microextraction for the determination of sulfonamides in urine samples
Dowlatshah, Samira; Santigosa, Elia; Saraji, Mohammad; Ramos Payán, María Dolores (Elsevier, 2021)Liquid phase microextraction (LPME) into a microfluidic has undergone great advances focused on downscaled and miniaturized ...
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Artículo
An Improved Microfluidic Device to Enhance the Enrichment Factors in Liquid Phase Microextraction: Application to the Simultaneous Extraction of Polar and Non-polar Acids in Biological Samples
Martín, Alejandro; Fernández Torres, Rut; Bello López, Miguel Ángel; Ramos Payán, María Dolores (Springer Nature, 2023)new microfluidic device to enhance the enrichment factor in miniaturized systems is proposed. The microfluidic system was ...
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Artículo
Bioavailability of Flumequine and Diclofenac in Mice Exposed to a Metal-drug Chemical Cocktail. Evaluation of the Protective Role of Selenium.
Aranda Merino, Noemí; Marín Garrido, Antonio; Román Hidalgo, Cristina; Ramos Payán, María Dolores; Abril, Nieves; Fernández Torres, Rut; Bello López, Miguel Ángel (Wiley-Blackwell, 2023)Background and Purpose: Organisms, including humans, are subjected to the simultaneous action of a wide variety of pollutants, ...
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Artículo
Effect of Counter-ions on Electromembrane Extraction of Non- steroidal Antiinflammatory Drugs
Aranda Merino, Noemí; Ramos Payán, María Dolores; Callejón Mochón, Manuel; Villar Navarro, Mercedes; Fernández Torres, Rut (Elsevier, 2019)The paper describes a comprehensive study of the importance of cations to improve the efficiency and mass transfer in the ...
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Artículo
Electro-assisted liquid phase microextraction for the determination of parabens and their main metabolites in maternal urine and amniotic fluid samples
Leo-Martos, Eduardo; Aranda Merino, Noemí; Sánchez Ruiz, Rocío; Moreno Navarro, Isabel María; Fernández Torres, Rut; Ramos Payán, María Dolores (Elsevier, 2024-05)In this study, an electro assisted liquid phase microextraction (EA-LPME) procedure to determine seven parabens (methyl, ...
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Artículo
Electro-assisted liquid phase microextraction for the determination of parabens and their main metabolites in maternal urine and amniotic fluid samples
Leo-Martos, Eduardo; Aranda Merino, Noemí; Sánchez Ruiz, Rocío; Moreno Navarro, Isabel María; Fernández Torres, Rut; Ramos Payán, María Dolores (Elsevier, 2024-05)In this study, an electro assisted liquid phase microextraction (EA-LPME) procedure to determine seven parabens (methyl, ...
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Artículo
Electromembrane Extraction of Peptides Based on Hydrogen Bond Interactions
Dowlatshah, Samira; Hansen, Frederik André; Zhou, Chen; Ramos Payán, María Dolores; Halvorsen, Trine Grønhaug; Pedersen-Bjergaard, Stig (Elsevier, 2023)Background: Electromembrane extraction (EME) of peptides reported in the scientific literature involve transfer of net ...
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Artículo
Electromembrane extraction using deep eutectic solvents as the liquid membrane
Hansen, Frederik André; Santigosa-Murillo, Elia; Ramos Payán, María Dolores; Muñoz, María; Leere Øiestad, Elisabeth; Pedersen-Bjergaard, Stig (Elsevier, 2021)In this work, we investigated for the first time hydrophobic deep eutectic solvents (DES) as supported liquid membrane ...
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Artículo
Enhancing Liquid Phase Microextraction Enrichment in Microchip Devices under Semi-stagnant Conditions
Martín, Alejandro; Dowlatshah, Samira; Pedersen-Bjergaard, Stig; Ramos Payán, María Dolores (Elsevier, 2023)Liquid-phase microextraction (LPME) in microfluidic devices involves extraction of acids or bases by diffusion in a pH ...
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Artículo
Evaluación de la purificación del agua mediante el uso de jarras filtrantes
Ramos Payán, María Dolores; Aranda Merino, Noemí; Ocaña González, Juan Antonio; Naz Lucena, Antonio Marcos; Lara Ruiz, Ana; Cárdenas Díaz, Gabriela; Guillén Valdenegro, Alejandro; Pérez Luna, Inés; Quero San Martín, Alejandro (Universidad Pablo de Olavide, 2023)Una de las principales cualidades del agua es su capacidad para disolver un gran número de sustancias. La mayor parte de ...
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Artículo
Evaluación e importancia de la calidad del agua como uso cotidiano. Análisis de la dureza del agua: determinación de Calcio y Magnesio
Aranda Merino, Noemí; Ramos Payán, María Dolores; Plata Ramos, José Javier; Lendínez de la Cruz, Ángela; González, Claudia; González Márquez, Marina; Montero Rojas, Antonio; Ruíz Montes, Pablo; Santiago García, Jorge; Toribio Velasco, Sergio (Universidad Pablo de Olavide, 2023)A lo largo de la historia, el agua ha sido y sigue siendo, un elemento fundamental tanto para el desarrollo de los procesos ...
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Artículo
Green Strategies Using Solvent-free Biodegradable Membranes in Microfluidic Devices. Liquid Phase Microextraction and Electromembrane Extraction
Martín, Alejandro; Santigosa, Elia; Ramos Payán, María Dolores (Elsevier, 2023)In this work, a novel solvent-free microfluidic method based liquid phase microextraction has been proposed for the first ...
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Artículo
Influence of the use of 3D printing technology for teaching chemistry in STEM disciplines
Trujillo-Cayado, Luis Alfonso; Santos García, Jenifer; Cordobés Carmona, Felipe; Ramos Payán, María Dolores (Wiley, 2024-03)Teachers can create engaging learning environments in engineering courses through pedagogical innovation using Information ...
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Tesis Doctoral
Microextracción en fase Líquida usando membranas líquidas soportadas sobre fibras huecas (HF-LPME, Hollow Fiber Based Liquid Phase Microextraction) como procedimiento de preconcentración y limpieza para la determinación de fármacos en matrices biológicas
Ramos Payán, María Dolores (2012)El objetivo de esta Tesis Doctoral es el estudio y puesta a punto de diferentes metodologías de microextracción que implican ...
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Artículo
Monitoring of pharmaceuticals in aquatic biota (Procambarus clarkii) of the Doñana National Park (Spain)
Kazakova, Julia; Villar Navarro, Mercedes; Ramos Payán, María Dolores; Aranda Merino, Noemí; Román Hidalgo, Cristina; Bello López, Miguel Ángel; Fernández Torres, Rut (Elsevier, 2021)In this work the presence of different pharmaceuticals at Doñana National Park (Spain) and their main entry sources (input ...