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Salting-out assisted liquid–liquid extraction with dansyl chloride for the determination of biogenic amines in food
(2020-01-01)
Biogenic amines (BAs) are compounds present in foodstuff of animal origin that not only can be harmful to the consumer but can also serve as indicators of the product's edibility status. However, BAs’ analysis is rather ...
Phase equilibrium in polyethylene glycol/maltodextrin aqueous two-phase systems
(Elsevier Sci LtdOxfordInglaterra, 2000)
Study of liquid-liquid equilibria in aqueous two-phase systems formed by poly (ethylene glycol) (PEG) and sodium thiosulfate pentahydrate (Na2S2O3.5H2O) at different temperatures
(2018-11-25)
This study aimed at providing experimental liquid-liquid equilibrium (LLE) data for aqueous two-phase systems (ATPSs) formed by poly (ethylene glycols) (PEG) of different molecular weights (1500 or 4000 or 6000) g.mol−1 ...
Liquid-glassy polymer diffusion: Effects of liquid molecular weight and temperature
(Wiley VCH Verlag, 2007-05)
We examine mechanistic aspects of the diffusion between a series of liquid polystyrenes (PS) and a glassy poly(phenylene oxide) (PPO) matrix, through the use of confocal Raman microspectroscopy. The results show that the ...
Liquid-liquid extraction of protease from cold-adapted yeast Rhodotorula mucilaginosa L7 using biocompatible and biodegradable aqueous two-phase systems
(2016-01-02)
This work aimed to optimize the extraction of an extracellular protease produced by the cold-adapted yeast Rhodotorula mucilaginosa L7 using aqueous two-phase systems (ATPS) comprising polyethylene glycol (PEG) and sodium ...
Phase equilibrium and protein partitioning in aqueous mixtures of maltodextrin with polypropylene glycol
(Elsevier Sci LtdOxfordInglaterra, 2001)
Switchable photoluminescence liquid crystal coated bacterial cellulose films with conductive response
(2016-06-05)
Three different low molecular weight nematic liquid crystals (LCs) were used to impregnate bacterial cellulose (BC) film. This simple fabrication pathway allows to obtain highly transparent BC based films. The coating of ...
Comparative Determination of Anthocyanins, Low Molecular Weight Phenols, and Flavanol Fractions in Vitis vinifera L. cv Carmenere Skins and Seeds by Differential Solvent Extraction and High-Performance Liquid Chromatography
(Taylor & Francis, 2016)
Although numerous methods have been used to extract polyphenols from vegetal sources, these
procedures have been rarely compared directly. Herein, four maceration and extraction methods for
phenolics from Carmenere (Vitis ...
Influence of molecular weight of the polymer on the liquid equilibrium of the poly(ethylene glycol) + nano3 + h2o system at 298.15 k
(AMERICAN CHEMICAL SOCIETY, 2001)