Showing results 1 to 20 of 36
next >
| Issue Date | Title | Author(s) | Type | Access Type |
| 15-Sep-2019 | Acetonitrile as adjuvant to tune polyethylene glycol + K3PO4 aqueous two-phase systems and its effect on phenolic compounds partition | de França do Rosário, Regina Luana Santos; Souza, Ranyere L.; Farias, Fabiane Oliveira; Mafra, Marcos R.; Soares, Cleide M.F.; Passos, Helena; Coutinho, João A.P.; Lima, Álvaro Silva | article |  |
| 14-May-2017 | Alternative probe for the determination of the hydrogen-bond acidity of ionic liquids and their aqueous solutions | Madeira, Pedro P.; Passos, Helena; Gomes, Joana; Coutinho, João A. P.; Freire, Mara G. | article |  |
| 15-Aug-2021 | Amino-acid-based chiral ionic liquids characterization and application in aqueous biphasic systems | Carreira, Ana R. F.; Rocha, Samuel N.; Silva, Francisca A. e; Sintra, Tânia E.; Passos, Helena; Ventura, Sónia P. M.; Coutinho, João A. P. | article |  |
| 2015 | Aqueous Biphasic Systems Composed of Ionic Liquids and Acetate-Based Salts: Phase Diagrams, Densities, and Viscosities | Quental, Maria V.; Passos, Helena; Kurnia, Kiki A.; Coutinho, Joao A. P.; Freire, Mara G. | article | |
| 2017 | Aqueous biphasic systems composed of ionic liquids: one-step extraction/concentration techniques for water pollution tracers | Dinis, Teresa B. V.; Passos, Helena; Coutinho, João A. P.; Lima, Diana L. D.; Esteves, Valdemar I.; Freire, Mara G. | conferenceObject | |
| Apr-2016 | Are 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. | article | |
| 2016 | Are 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. | article | |
| Aug-2022 | Crustacean waste biorefinery as a sustainable cost-effective business model | Vicente, Filipa A.; Ventura, Sónia P. M.; Passos, Helena; Dias, Ana C. R. V.; Torres-Acosta, Mario A.; Novak, Uroš; Likozar, Blaž | article | |
| Jul-2022 | Cyanobacteria as Candidates to Support Mars Colonization: Growth and Biofertilization Potential Using Mars Regolith as a Resource | Macário, Inês P. E.; Veloso, Telma; Frankenbach, Silja; Serôdio, João; Passos, Helena; Sousa, Clara; Gonçalves, Fernando J. M.; Ventura, Sónia P. M.; Pereira, Joana L. | article | |
| 12-Jul-2018 | Designer solvent ability of alcohols in aqueous biphasic systems composed of deep eutectic solvents and potassium phosphate | Farias, Fabiane Oliveira; Passos, Helena; Sanglard, Matheus Gomes; Igarashi-Mafra, Luciana; Coutinho, João A.P.; Mafra, Marcos R. | article | |
| 2022 | Factors driving metal partition in ionic liquid-based acidic aqueous biphasic systems | Carreira, Ana R.F.; Passos, Helena; Schaeffer, Nicolas; Svecova, Lenka; Papaiconomou, Nicolas; Billard, Isabelle; Coutinho, João A.P. | article | |
| 2015 | Good's buffers as novel phase-forming components of ionic-liquid-based aqueous biphasic systems | Luis, Andreia; Dinis, Teresa B. V.; Passos, Helena; Taha, Mohamed; Freire, Mara G. | article | |
| 22-Jul-2021 | A HNO3-responsive aqueous biphasic system for metal separation: application towards Ce(IV) recovery | Schaeffer, Nicolas; Vargas, Silvia J. R.; Passos, Helena; Brandão, Paula; Nogueira, Helena I. S.; Svecova, Lenka; Papaiconomou, Nicolas; Coutinho, João A. P. | article | |
| 28-May-2018 | Hydrogen bond basicity of ionic liquids and molar entropy of hydration of salts as major descriptors in the formation of aqueous biphasic systems | Passos, Helena; Dinis, Teresa B. V.; Cláudio, Ana Filipa M.; Freire, Mara G.; Coutinho, João A. P. | article | |
| 1-Dec-2020 | Integrated leaching and separation of metals using mixtures of organic acids and ionic liquids | Vargas, Silvia J. R.; Passos, Helena; Schaeffer, Nicolas; Coutinho, João A. P. | article | |
| 2014 | Ionic liquid solutions as extractive solvents for value-added compounds from biomass | Passos, Helena; Freire, Mara G.; Coutinho, Joao A. P. | article | |
| 2014 | Ionic liquids as additives to enhance the extraction of antioxidants in aqueous two-phase systems | Almeida, Mafalda R.; Passos, Helena; Pereira, Matheus M.; Lima, Alvaro S.; Coutinho, Joao A. P.; Freire, Mara G. | article | |
| 2016 | Ionic liquids in chromatographic and electrophoretic techniques: toward additional improvements in the separation of natural compounds | Soares, Belinda; Passos, Helena; Freire, Carmen S. R.; Coutinho, Joao A. P.; Silvestre, Armando J. D.; Freire, Mara G. | article | |
| 2017 | Ionic-liquid-based aqueous biphasic systems: enhanced one-step extraction/concentration techniques of water pollution tracers | Dinis, Teresa B. V.; Passos, Helena; Lima, Diana L. D.; Coutinho, João A. P.; Esteves, Valdemar I.; Freire, Mara G. | conferenceObject | |
| 7-Apr-2018 | Mechanisms ruling the partition of solutes in ionic-liquid-based aqueous biphasic systems: the multiple effects of ionic liquids | Passos, 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. | article | |