Helena Passos

Zwitterionic compounds are less ecotoxic than their analogous ionic liquids

Jesus, F; Passos, H; Ferreira, AM; Kuroda, K; Pereira, JL; Goncalves, FJM; Coutinho, JAP; Ventura, SPM
2021, GREEN CHEMISTRY, 23, 10, 3683-3692.
ISBN: 1463-9270

Selective Sequential Recovery of Zinc and Copper from Acid Mine Drainage

Passos, H; Cruz, B; Schaeffer, N; Patinha, C; da Silva, EF; Coutinho, JAP
2021, ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 9, 10, 3640-3650.

A HNO3-Responsive Aqueous Biphasic System for Metal Separation: Application towards Ce-IV Recovery

Schaeffer, N; Vargas, SJR; Passos, H; Brandao, P; Nogueira, HIS; Svecova, L; Papaiconomou; Coutinho, JAP
2021, CHEMSUSCHEM, 14, 14, 3018-3026.
ISBN: 1864-564X

Synthesis of Purine-Based Ionic Liquids and Their Applications

Carreira, ARF; Veloso, T; Schaeffer, N; Pereira, JL; Ventura, SPM; Rizzi, C; Plenet, JS; Passos, H; Coutinho, JAP
2021, MOLECULES, 26, 22.
ISBN: 1420-3049

Amino-acid-based chiral ionic liquids characterization and application in aqueous biphasic systems

Carreira, ARF; Rocha, SN; e Silva, FA; Sintra, TE; Passos, H; Ventura, SPM; Coutinho, JAP
2021, FLUID PHASE EQUILIBRIA, 542–543, 113091.

The influence of zwitterions on the partition of biomolecules in aqueous biphasic systems

Basaiahgari, A; Passos, H; Coutinho, JAP; Gardas, RL
2020, SEPARATION AND PURIFICATION TECHNOLOGY, 253.
ISBN: 1873-3794

Selective Separation of Manganese, Cobalt, and Nickel in a Fully Aqueous System

Schaeffer, N; Passos, H; Gras, M; Vargas, SJR; Neves, MC; Svecova, L; Papaiconomou, N; Coutinho, JAP
2020, ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 8, 32, 12260-12269.

Integrated leaching and separation of metals using mixtures of organic acids and ionic liquids

Vargas, SJ.; Passos, H; Schaeffer, N; Coutinho, JAP
2020, MOLECULES, 25 (23), 5570.

Acetonitrile as adjuvant to tune polyethylene glycol + K3PO4 aqueous two-phase systems and its effect on phenolic compounds partition

do Rosario, RLSD; Souza, RL; Farias, FO; Mafra, MR; Soares, CMF; Passos, H; Coutinho, JAP; Lima, AS
2019, SEPARATION AND PURIFICATION TECHNOLOGY, 223, 41-48.
ISBN: 1873-3794

Synergistic Aqueous Biphasic Systems: A New Paradigm for the One-Pot Hydrometallurgical Recovery of Critical Metals

Schaeffer, N; Gras, M; Passos, H; Mogilireddy, V; Mendonca, CMN; Pereira, E; Chainet, E; Billard, I; Coutinho, JAP; Papaiconomou, N
2019, ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 7, 1, 1769-1777.

Development and characterization of new extraction platforms using ionic-liquid-based aqueous biphasic systems

Helena Passos
2017, supervised by João A. P. Coutinho and Mara G. Freire.

Extraction of bioactive compounds with ionic liquid aqueous solutions

Helena Passos
2012, supervised by João A. P. Coutinho and Mara G. Freire.