[PDF] Top 20 Separation of dyes with reversible aqueous biphasic systems

... best of our knowledge, we report here, for the first time, the remarkable ability of IL- based ATPS to extract textile dyes in a single-step procedure with extraction efficiencies up to 100 ... See full document

... effect of the concentration of the phase-forming components through the extraction of ...concentrations of circa ...careful separation of the phases was performed and the amount ... See full document

... introduction of ILs to functionalize PEG (101), in others works, small quantities of ILs (as adjuvants) were added into conventional polymer-salt-ABS to tailor the extraction and selectivity performances ... See full document

... one of the most important their tailoring ability, ionic liquids (ILs) have been investigated in several fields and proposed as alternatives to hazardous volatile organic compounds commonly used by ...use ... See full document

... ability of different IL/PEG-2000 based ABS to promote a selective separation of three alkaloids, including ...ILs with a more hydrophilic nature lead to a preferential partition of ... See full document

... cells with natural dyes extracted from achiote seeds, ...Recovery of norbixin from a raw extraction solution of annatto pigments using colloidal gas aphrons (CGAs), ... See full document

... Partitioning of cytochrome c and ...examples of added-value proteins. Aqueous solutions of each biomolecule were prepared at the concentra- tions of 1, 2 and 3 g·L −1 ...possibility ... See full document

... branches with α(1→2), α(1→3), or α(1→4)-linkages, which confer to this molecule a great diversity in molecular weight and spatial ...length of branch chains, and consequently their physical and chemical ... See full document

... separation/purification of cells, virus, organelles, nucleic acids, lipids, amino acids, proteins, enzymes and antibodies [15, 16, ...use of ABS in the downstream processing of mAbs was ... See full document

... the reversible nature of ABS formed by water, PPG 400 (polypropylene glycol with a molecular weight of 400 gˑmol -1 ) and cholinium alkanoate ...addition of the respective acid or ... See full document

... determination of the liquid −liquid phase diagrams was performed using aqueous solutions of PPG with an average molecular weight of 400 g mol −1 (from Sigma Aldrich, Germany) and ... See full document

... action of two additional salts (K2HPO4 and K2CO3) on the enantioseparation ability of [C2C2C2Pro]Br-based ABS was ...and separation of a solute using ABS, 40 in particular if enantiomeric ... See full document

... advantage of the ELLE approach is that it comprises both enantiomeric recognition and solvent extraction on a single ...These systems are conventionally composed of an immis- cible organic and an ... See full document

... composed of a trivalent charged anion ...exclusion of the IL from the aqueous media, promoting the separation of the phase rich in IL from the rest of the ...set of ILs ... See full document

... purification of egg yolk antibodies and the most used involve protein precipitation with ammonium sulphate, dextran sulphate or polyethylene glycol (PEG) and separation by ion exchange chromatography ... See full document

... based aqueous biphasic systems (ABS) have been the focus of a significant amount of research in the last ...development of more benign and sustainable approaches, a novel class ... See full document

... impact of the alkyl chain length of the IL anion on the ABS formation and on these systems performance to extract amino acids, where odd-even effects have been ...composed of anions ... See full document

... extraction of aminoacids from an aqueous phase using hydrophobic water immiscible ...magnitudes of L-tryptophan partition coefficients using IL-based ABS can be as much as 1000 times larger than ... See full document

... most of the time determined by applying the gravimetric method described by Merchuk et ...careful separation of the top and bottom phases, in this study, TLs were determined by an analytical approach ... See full document

... operation of ELLE makes it an attractive alternative for enantiomers separation when compared to the most common ...an aqueous and an organic phase. By combining solvent extraction with chiral ... See full document