Search Results - "Macedo, Eugénia A"

Water Purification Using Choline-Amino Acid Ionic Liquids: Removal of Amoxicillin by Velho, Pedro, Lopes, Catarina, Macedo, Eugénia A.

“…Antibiotics are the main active pharmaceutical ingredients (APIs) for the treatment and prevention (prophylaxis) of bacterial infections, for which they are…”
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Toward Thermodynamic Predictions of Aqueous Vitamin Solubility: An Activity Coefficient-Based Approach by Wysoczanska, Kamila, Sadowski, Gabriele, Macedo, Eugénia A, Held, Christoph

“…Research on water-soluble vitamins is still required, especially due to the diversity of their structures that influence strongly physicochemical properties of…”
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Partition Studies of Resveratrol in Low-Impact ATPS for Food Supplementation by Rebelo, Catarina S., Velho, Pedro, Macedo, Eugénia A.

“…Antioxidant-rich food supplements can effectively address widespread nutritional deficiencies in the human diet and simultaneously reduce the concentration of…”
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Correlating Excess Volumes for Binary Mixtures of Green Solvents with the Help of Density Functional Theory by Velho, Pedro, Oliveira, Ricardo A., Macedo, Eugénia A.

“…The development of green solvents is vital to decrease the environmental impact of separation processes by replacing their more hazardous equivalents, which…”
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Removal of Acetaminophen (Paracetamol) from Water Using Aqueous Two-Phase Systems (ATPSs) Composed of Choline-Amino Acid Ionic Liquids by Barroca, Leonor R., Velho, Pedro, Macedo, Eugénia A.

“…Emerging contaminants, such as pharmaceutical compounds, are often bioaccumulative and can have toxic effects on the environment; therefore, there is a need to…”
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Liquid–Liquid Equilibria Determination and Modeling of ATPS Based on PEG4000 and PVP29000 at 298.15 K and 0.1 MPa by Velho, Pedro, Madaleno, Afonso, Macedo, Eugénia A.

“…Additionally to the known nontoxicity and eco-friendliness of aqueous two-phase systems (ATPS), polymeric ATPS, which are composed of at least one polymer…”
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Liquid–Liquid Extraction of Some Biomolecules in the ATPS {Ethyl Lactate (1) + Sodium Potassium Tartrate (2) + Water (3)} at 298.15 K and 0.1 MPa by Velho, Pedro, Macedo, Eugénia A.

“…The mounting demand for biomolecules in industry, particularly in regard to antioxidant-rich food supplements and monoclonal antibodies, has been compelling…”
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A Geometric Approach for the Calculation of the Nonrandomness Factor Using Computational Chemistry by Velho, Pedro, Barroca, Leonor R., Macedo, Eugénia A.

“…The nonrandomness factor (α) is a parameter related to the polarity (and consequent randomness of spatial orientation) of the molecules and is generally fixed…”
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Extraction of Polyphenols and Vitamins Using Biodegradable ATPS Based on Ethyl Lactate by Velho, Pedro, Marques, Luís, Macedo, Eugénia A

“…The growing human population, together with the inefficient use of natural resources, has been dramatically increasing the production of food waste, which…”
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Extraction of Gallic Acid and Ferulic Acid for Application in Hair Supplements by Velho, Pedro, Rebelo, Catarina S, Macedo, Eugénia A

“…Food supplements based on antioxidants and vitamins are often prescribed to correct inefficiencies in the human diet and delay diseases such as premature aging…”
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Solubility Enhancement of Vitamins in Water in the Presence of Covitamins: Measurements and ePC-SAFT Predictions by Wysoczanska, Kamila, Macedo, Eugénia A, Sadowski, Gabriele, Held, Christoph

“…Scarce knowledge on the behavior of vitamins in aqueous solutions in the presence of additives is often a limiting factor for industrial applications such as…”
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Influence of the Molecular Weight of PEG on the Polymer/Salt Phase Diagrams of Aqueous Two-Phase Systems by Wysoczanska, Kamila, Macedo, Eugénia A

“…Binodal data for systems composed by polyethylene glycol (PEG) (4000, 6000, or 8000) and salt (potassium citrate, potassium sodium tartrate) were obtained…”
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Aqueous Solubility of Some Natural Phenolic Compounds by Mota, Fátima L, Queimada, António J, Pinho, Simão P, Macedo, Eugénia A

“…In this work, the aqueous solubilities of two hydroxybenzoic acids (gallic and salicylic acid) and three phenylpropenoic acids (trans-cinnamic, ferulic, and…”
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Solubility of Sugars and Sugar Alcohols in Ionic Liquids: Measurement and PC-SAFT Modeling by Carneiro, Aristides P., Held, Christoph, Rodríguez, Oscar, Sadowski, Gabriele, Macedo, Eugénia A.

“…Biorefining processes using ionic liquids (ILs) require proper solubility data of biomass-based compounds in ILs, as well as an appropriate thermodynamic…”
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Study of Liquid–Liquid Equilibrium of Aqueous Two-Phase Systems Based on Ethyl Lactate and Partitioning of Rutin and Quercetin by Requejo, Patricia F, Velho, Pedro, Gómez, Elena, Macedo, Eugénia A

“…Two ethyl lactate (EL)-based aqueous two-phase systems (ATPSs) were studied at T = 298.15 K and atmospheric pressure. Sodium tartrate and potassium sodium…”
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Partitioning of DNP-amino acids in ionic liquid/citrate salt based Aqueous Two-Phase System by Gómez, Elena, Macedo, Eugénia A.

“…In this work, the partitioning of four N-(2,4-dinitrophenyl)-amino acids (DNP-amino acids) in novel Aqueous Two-Phase Systems (ATPS) based on…”
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Dissolution and fractionation of nut shells in ionic liquids by Carneiro, Aristides P., Rodríguez, Oscar, Macedo, Eugénia A.

“…[Display omitted] •Solubility of nutshells in ionic liquids is similar to other biomass sources (∼7%).•Higher solubilities are obtained for chestnut shells in…”
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Thermal Analysis of Binary Mixtures of Imidazolium, Pyridinium, Pyrrolidinium, and Piperidinium Ionic Liquids by Gómez, Elena, Velho, Pedro, Domínguez, Ángeles, Macedo, Eugénia A.

“…Ionic liquids (ILs) are being widely studied due to their unique properties, which make them potential candidates for conventional solvents. To study whether…”
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Thermal behavior and heat capacities of pyrrolidinium-based ionic liquids by DSC by Gómez, Elena, Calvar, Noelia, Domínguez, Ángeles, Macedo, Eugénia A.

“…This work focuses on thermal study (melting, freezing, cold crystallization and glass transition temperatures have been determined) and on determination of…”
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Partitioning of DNP-Amino Acids in New Biodegradable Choline Amino Acid/Ionic Liquid-Based Aqueous Two-Phase Systems by Requejo, Patricia F, Gómez, Elena, Macedo, Eugénia A

“…In this work, the partitioning of four N-(2,4-dinitrophenyl)-amino acids (DNP-l-leucine, DNP-l-valine, DNP-l-alanine, and DNP-glycine) in aqueous two-phase…”
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