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Solubility
About: Solubility is a research topic. Over the lifetime, 53643 publications have been published within this topic receiving 1195130 citations.
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TL;DR: In this article, the authors extend the UNIFAC group contribution method of solid-liquid equilibria to binary solvent mixtures, and compare its predictions to experimental solubilities for naphthalene in 16 different solvents.
34 citations
TL;DR: The mole fraction solubility of salmeterol xinafoate was determined in various concentrations of dioxane in aqueous binary mixture and the predicting capability of four different cosolvency models was evaluated employing a five data point training set.
34 citations
34 citations
TL;DR: The micellar solubility of the salicylic acid in mixed salt aqueous solutions was determined to probe the physical properties of these assemblies and suggested that organized structures formed by CTAB and [DDA][NO(3)] self assembly in domains of several hundred nanometers size.
34 citations
TL;DR: A novel, eco-friendly and benign choline chloride/oxalic acid deep eutectic solvent at a molar ratio of 1:2 was applied to dissolve waste rabbit hair, and after dissolution keratin was separated by dialysis, filtration, and freeze-drying.
Abstract: Keratin from a variety of sources is one of the most abundant biopolymers In livestock and textile industries, a large amount of rabbit hair waste is produced every year, and therefore it is of great significance to extract keratin from waste rabbit hair in terms of the treatment and utilization of wastes In this study, a novel, eco-friendly and benign choline chloride/oxalic acid deep eutectic solvent at a molar ratio of 1:2 was applied to dissolve waste rabbit hair, and after dissolution keratin was separated by dialysis, filtration, and freeze-drying The dissolution temperature effect was discussed, and the resulting keratin powder was characterized by X-ray diffraction, scanning electron microscope, Fourier transform infrared spectroscopy, protein electrophoresis, thermogravimetry and differential scanning calorimetry, and amino acid analysis During the dissolution process, the α-helix structure of rabbit hair was deconstructed, and the disulfide bond linkages were broken The solubility of rabbit hair was significantly enhanced by increasing dissolution temperature, and reached 88% at 120 °C The keratin produced by dissolving at 120 °C displayed flaky powders after freeze-drying, and had a molecular weight ranging from 38 to 58 kDa with a high proportion of serine, glutamic acid, cysteine, leucine, and arginine Such features of molecular weight and amino acid distribution provide more choices for the diverse applications of keratin materials
34 citations