• Article
  

  Design and implementation of an automated liquid-phase microextraction-chip system coupled on-line with high performance liquid chromatography 

  Li, Bin; Petersen, Nickolaj Jacob; Ramos Payán, María Dolores; Hansen, Steen Honoré; Pedersen-Bjergaard, Stig (Elsevier, 2014-03)

  An automated liquid-phase microextraction (LPME) device in a chip format has been developed and coupled directly to high ...

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  A simple and fast Double-Flow microfluidic device based liquid-phase microextraction (DF-µLPME) for the determination of parabens in water samples 

  Ramos Payán, María Dolores; Maspoch, Santiago; Llobera, Andreu (Elsevier, 2017-04-01)

  A fast double-flow microfluidic based liquid phase microextraction (DF-µLPME) combined with a HPLC-UV procedure using diode ...

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  An efficient microfluidic device based on electromembrane extraction for the simultaneous extraction of acidic and basic drugs 

  Santigosa, Elia; Maspoch, Santiago; Muñoz, María; Ramos Payán, María Dolores (Elsevier, 2021-05)

  The simultaneous extraction of acidic and basic compounds is considered a great challenge. In this work, an efficient and ...

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  An overview on the recent applications of agarose as a green biopolymer in micro-extraction-based sample preparation techniques 

  Tabani, Hadi; Alexovič, Michal; Sabo, Ján; Ramos Payán, María Dolores (Elsevier, 2021-03)

  Introducing a myriad array of chemicals in different industrial fields has made sample preparation inevitable for trace ...

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  Liquid phase microextraction integrated into a microchip device for the extraction of fluoroquinolones from urine samples 

  Santigosa, Elia; Maspoch, Santiago; Ramos Payán, María Dolores (Elsevier, 2019-03)

  For the first time, liquid phase microextraction miniaturized into a microfluidic chip device (μLPME) combined with a HPLC ...

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  Green microfluidic liquid-phase microextraction of polar and non-polar acids from urine 

  Santigosa, Elia; Pedersen-Bjergaard, Stig; Muñoz, María; Ramos Payán, María Dolores (Springer, 2021-04)

  In this work, hippuric acid (log P = 0.5), anthranilic acid (log P = 1.3), ketoprofen (log P = 3.6), and naproxen (log ...

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  Microfluidic liquid-phase microextraction based on natural deep eutectic solvents immobilized in agarose membranes 

  Dowlatshah, Samira; Saraji, Mohammad; Pedersen-Bjergaard, Stig; Ramos Payán, María Dolores (Elsevier, 2021-11)

  In liquid-phase microextraction (LPME), the sample and the acceptor are separated by a synthetic organic solvent, which ...

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  Solid supports and supported liquid membranes for different liquid phase microextraction and electromembrane extraction configurations. A review 

  Ocaña González, Juan Antonio; Aranda Merino, Noemí; Pérez Bernal, Juan Luis; Ramos Payán, María Dolores (Elsevier, 2023-02)

  Liquid phase microextraction (LPME) and electromembrane microextraction (EME) can be considered as two of the most popular ...

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  A green microfluidic method for the simultaneous extraction of polar and non-polar basic compounds in biological samples 

  Martín, Alejandro; Santigosa, Elia; Ramos Payán, María Dolores (Elsevier, 2023-06)

  Microfluidic devices as sample treatment have showed significant advancements in recent years, becoming an important tool ...

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  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 (Elsevier, 2018-06)

  A new geometry for a versatile microfluidic-chip device based liquid phase microextraction was developed in order to enhance ...

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  A microchip device based liquid-liquid-solid microextraction for the determination of permethrin and cypermethrin in water samples 

  Dowlatshah, Samira; Ramos Payán, María Dolores; Saraji, Mohammad (Elsevier, 2021-12)

  In this work, for the first time, a microchip device integrating liquid-liquid-solid phase microextraction is presented. ...

• Article
  

  Liquid-phase microextraction in a microfluidic-chip – High enrichment and sample clean-up from small sample volumes based on three-phase extraction 

  Ramos Payán, María Dolores; Jensen, Henrik; Petersen, Nickolaj Jacob; Hansen, Steen Honoré; Pedersen-Bjergaard, Stig (Elsevier, 2012)

  In this work, a microfluidic-chip based system for liquid-phase microextraction (LPME-chip) was developed. Sample solutions ...

• Article
  

  Metallomic and Untargeted Metabolomic Signatures of Human Milk from SARS-CoV-2 Positive Mothers 

  Arias Borrego, Ana; Soto Cruz, Francisco J.; Selma Royo, Marta; Bäuerl, Christine; García Verdevio, Elia; Pérez Cano, Francisco J.; Lerin, Carles; Velasco López, Inés; Martínez Costa, Cecilia; Collado, M. Carmen; García Barrera, Tamara (Wiley, 2022)

  Scope Lack of information about the impact of maternal severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ...

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  Occurrence of Pharmaceutically Active Compounds, Parabens, and their Main Metabolites in Soils Amended with Sludge and Compost 

  Santos Morcillo, Juan Luis; Martín Bueno, Julia; Aparicio Gómez, Irene; Alonso Álvarez, Esteban (OAE Publishing, 2023)

  The presence of pharmaceuticals and personal care products (PPCPs) in the environment has aroused considerable interest ...

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  On-chip electromembrane extraction of acidic drugs 

  Román Hidalgo, Cristina; Santigosa-Murillo, Elia; Ramos Payán, María Dolores; Petersen, Nickolaj J.; Kutter, Jörg P.; Pedersen-Bjergaard, Stig (Wiley, 2019-09)

  In the present work, a new supported liquid membrane (SLM) has been developed for on-chip electromembrane extraction of ...

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  Liquid - Phase microextraction and electromembrane extraction in millifluidic devices:A tutorial 

  Ramos Payán, María Dolores (Elsevier, 2019-11-08)

  This tutorial discusses how to integrate different microextraction procedures into millifluidic platforms and the applicability ...

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  An effective microfluidic based liquid-phase microextraction device (μLPME) for extraction of non-steroidal anti-inflammatory drugs from biological and environmental samples 

  Ramos Payán, María Dolores; Maspoch, Santiago; Llobera, Andreu (Elsevier, 2016-11-23)

  In this work, the traditional liquid phase microextraction (LPME) has been miniaturized into a microfluidic device (μLPME) ...

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  Some Asian Women Pioneers of Chemistry and Pharmacy 

  Nuñez Valdés, Juan; Pablos Pons, Fernando de; Ramos Carrillo, Antonio (MDPI, 2022)

  At present, several countries on the Asian continent are still very closed off to the idea of allowing not only the work ...

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  A green microfluidic method based liquid phase microextraction for the determination of parabens in human urine samples 

  Dowlatshah, Samira; Saraji, Mohammad; Ramos Payán, María Dolores (Elsevier, 2022-06)

  Development of green approaches have emerged as a challenge that highlight the pressing need for nontoxic solvents, ...

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  Pioneering Black African American Women Chemists and Pharmacists 

  Núñez Valdés, Juan; Pablos Pons, Fernando de; Ramos Carrillo, Antonio (MDPI, 2022-08)

  It is assumed that the history of modern science in Africa began between the last two decades of the 19th century and the ...

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