Browsing by Author Passos, Helena

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Issue DateTitleAuthor(s)TypeAccess Type
2015Aqueous Biphasic Systems Composed of Ionic Liquids and Acetate-Based Salts: Phase Diagrams, Densities, and ViscositiesQuental, Maria V.; Passos, Helena; Kurnia, Kiki A.; Coutinho, Joao A. P.; Freire, Mara G.articlerestrictedAccess
2017Aqueous biphasic systems composed of ionic liquids: one-step extraction/concentration techniques for water pollution tracersDinis, Teresa B. V.; Passos, Helena; Coutinho, João A. P.; Lima, Diana L. D.; Esteves, Valdemar I.; Freire, Mara G.conferenceObjectopenAccess
2016Are Aqueous Biphasic Systems Composed of Deep Eutectic Solvents Ternary or Quaternary Systems?Passos, Helena; Tavares, Daniel J. P.; Ferreira, Ana M.; Freire, Mara G.; Coutinho, Joao A. P.articlerestrictedAccess
Apr-2016Are aqueous biphasic systems composed of deep eutectic solvents ternary or quaternary systems?Passos, Helena; Tavares, Daniel J. P.; Ferreira, Ana M.; Freire, Mara G.; Coutinho, João A. P.articleopenAccess
2015Good's buffers as novel phase-forming components of ionic-liquid-based aqueous biphasic systemsLuis, Andreia; Dinis, Teresa B. V.; Passos, Helena; Taha, Mohamed; Freire, Mara G.articlerestrictedAccess
28-May-2018Hydrogen bond basicity of ionic liquids and molar entropy of hydration of salts as major descriptors in the formation of aqueous biphasic systemsPassos, Helena; Dinis, Teresa B. V.; Cláudio, Ana Filipa M.; Freire, Mara G.; Coutinho, João A. P.articlerestrictedAccess
2014Ionic liquid solutions as extractive solvents for value-added compounds from biomassPassos, Helena; Freire, Mara G.; Coutinho, Joao A. P.articlerestrictedAccess
2014Ionic liquids as additives to enhance the extraction of antioxidants in aqueous two-phase systemsAlmeida, Mafalda R.; Passos, Helena; Pereira, Matheus M.; Lima, Alvaro S.; Coutinho, Joao A. P.; Freire, Mara G.articlerestrictedAccess
2016Ionic liquids in chromatographic and electrophoretic techniques: toward additional improvements in the separation of natural compoundsSoares, Belinda; Passos, Helena; Freire, Carmen S. R.; Coutinho, Joao A. P.; Silvestre, Armando J. D.; Freire, Mara G.articlerestrictedAccess
2017Ionic-liquid-based aqueous biphasic systems: enhanced one-step extraction/concentration techniques of water pollution tracersDinis, Teresa B. V.; Passos, Helena; Lima, Diana L. D.; Coutinho, João A. P.; Esteves, Valdemar I.; Freire, Mara G.conferenceObjectopenAccess
7-Apr-2018Mechanisms ruling the partition of solutes in ionic-liquid-based aqueous biphasic systems: the multiple effects of ionic liquidsPassos, Helena; Dinis, Teresa B. V.; Capela, Emanuel V.; Quental, Maria V.; Gomes, Joana; Resende, Judite; Madeira, Pedro P.; Freire, Mara G.; Coutinho, João A. P.articlerestrictedAccess
2015One-step extraction and concentration of estrogens for an adequate monitoring of wastewater using ionic-liquid-based aqueous biphasic systemsDinis, Teresa B. V.; Passos, Helena; Lima, Diana L. D.; Esteves, Valdemar I.; Coutinho, Joao A. P.; Freire, Mara G.articlerestrictedAccess
2015One-step extraction and concentration of estrogens for an adequate monitoring of wastewater using ionic-liquid-based aqueous biphasic systemsDinis, Teresa B. V.; Passos, Helena; Lima, Diana L. D.; Esteves, Valdemar I.; Coutinho, João A. P.; Freire, Mara G.articlerestrictedAccess
20-Jul-2018Simultaneous extraction and concentration of water pollution tracers using ionic-liquid-based systemsDinis, Teresa B. V.; Passos, Helena; Lima, Diana L. D.; Sousa, Ana C. A.; Coutinho, João A. P.; Esteves, Valdemar I.; Freire, Mara G.articlerestrictedAccess
2013The impact of self-aggregation on the extraction of biomolecules in ionic-liquid-based aqueous two-phase systemsPassos, Helena; Trindade, Margarida P.; Vaz, Tatiana S. M.; da Costa, Luiz P.; Freire, Mara G.; Coutinho, Joao A. P.articlerestrictedAccess
2016Thermoreversible (Ionic-Liquid-Based) Aqueous Biphasic SystemsPassos, Helena; Luis, Andreia; Coutinho, Joao A. P.; Freire, Mara G.articleopenAccess
2014Vapor-Liquid Equilibria of Water plus Alkylimidazolium-Based Ionic Liquids: Measurements and Perturbed-Chain Statistical Associating Fluid Theory ModelingPassos, Helena; Khan, Imran; Mutelet, Fabrice; Oliveira, Mariana B.; Carvalho, Pedro J.; Santos, Luis M. N. B. F.; Held, Christoph; Sadowski, Gabriele; Freire, Mara G.; Coutinho, Joao A. P.articlerestrictedAccess
2016Why are some cyano-based ionic liquids better glucose solvents than water?Batista, Marta L. S.; Passos, Helena; Henriques, Bruno J. M.; Maginn, Edward J.; Pinho, Simao P.; Freire, Mara G.; Gomes, Jose R. B.; Coutinho, Joao A. P.articlerestrictedAccess