Showing results 12 to 31 of 36
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| Issue Date | Title | Author(s) | Type | Access Type |
| 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 | |
| 2015 | One-step extraction and concentration of estrogens for an adequate monitoring of wastewater using ionic-liquid-based aqueous biphasic systems | Dinis, Teresa B. V.; Passos, Helena; Lima, Diana L. D.; Esteves, Valdemar I.; Coutinho, João A. P.; Freire, Mara G. | article | |
| 2015 | One-step extraction and concentration of estrogens for an adequate monitoring of wastewater using ionic-liquid-based aqueous biphasic systems | Dinis, Teresa B. V.; Passos, Helena; Lima, Diana L. D.; Esteves, Valdemar I.; Coutinho, Joao A. P.; Freire, Mara G. | article | |
| 17-Aug-2020 | Selective separation of manganese, cobalt, and nickel in a fully aqueous system | Schaeffer, Nicolas; Passos, Helena; Gras, Matthieu; Vargas, Sílvia Juliana Rodriguez; Neves, Márcia C.; Svecova, Lenka; Papaiconomou, Nicolas; Coutinho, João A. P. | article | |
| 15-Mar-2021 | Selective sequential recovery of zinc and copper from acid mine drainage | Passos, Helena; Cruz, Brayan; Schaeffer, Nicolas; Patinha, Carla; Silva, Eduardo Ferreira da; Coutinho, João A. P. | article | |
| 1-Jul-2023 | Simple gold recovery from e-waste leachate by selective precipitation using a quaternary ammonium salt | Nogueira, André F.M.; Carreira, Ana R.F.; Vargas, Sílvia J.R.; Passos, Helena; Schaeffer, Nicolas; Coutinho, João A.P. | article | |
| 20-Jul-2018 | Simultaneous extraction and concentration of water pollution tracers using ionic-liquid-based systems | Dinis, Teresa B. V.; Passos, Helena; Lima, Diana L. D.; Sousa, Ana C. A.; Coutinho, João A. P.; Esteves, Valdemar I.; Freire, Mara G. | article | |
| 2022 | Sustainable development of biomaterials using ionic liquids | Polesca, Cariny; Passos, Helena; Coutinho, João A. P.; Freire, Mara G. | article | |
| 2-Nov-2021 | Synthesis of purine-based ionic liquids and their applications | Carreira, Ana R. F.; Veloso, Telma; Schaeffer, Nicolas; Pereira, Joana L.; Ventura, Sónia P. M.; Rizzi, Cécile; Plénet, Juliette Sirieix; Passos, Helena; Coutinho, João A. P. | article | |
| 2013 | The impact of self-aggregation on the extraction of biomolecules in ionic-liquid-based aqueous two-phase systems | Passos, Helena; Trindade, Margarida P.; Vaz, Tatiana S. M.; da Costa, Luiz P.; Freire, Mara G.; Coutinho, Joao A. P. | article | |
| 15-Dec-2020 | The influence of zwitterions on the partition of biomolecules in aqueous biphasic systems | Basaiahgari, Anusha; Passos, Helena; Coutinho, João A. P.; Gardas, Ramesh L. | article | |
| Feb-2023 | The role of biomass elemental composition and ion-exchange in metal sorption by algae | Carreira, Ana R. F.; Veloso, Telma; Macário, Inês P. E.; Pereira, Joana L.; Ventura, Sónia P. M.; Passos, Helena; Coutinho, João A. P. | article | |