Aqueous micellar two-phase systems
Antibodies purification using aqueous micellar two-phase systems
... mandatory. Aqueous micellar two-phase systems (AMTPS) are a special type of aqueous two-phase systems that comprise micellar solutions of surfactants ...
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Novel mixed aqueous micellar two-phase systems with ionic liquids for the extraction of phycobiliproteins from macroalgae
... novel aqueous micellar two-phase systems (AMTPS) using ionic liquids (ILs) as co-surfactants for the assessment of their potential in the extraction of ...of systems compared the ...
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Development of aqueous (micellar) two phase systems to continously purify macroalgae compounds
... a phase separation: a surfactant-rich phase and a surfactant-poor ...both systems assume distinct behaviors, which is explained by the presence of a salt, when using the McIlvaine buffer at ...
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Novel aqueous micellar two-phase systems with ionic liquids
... of two methyl carbonate esters, promoting the increase of its octanol/water partition coefficient (log P) from ...needs two additional phosphorylation reactions to be incorporated into the DNA strands, thus ...
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Thermoreversible (Ionic-Liquid-Based) Aqueous Biphasic Systems
... the phase separation. As the systems is cooled down to 25 °C the system becomes monophasic ...liquid-liquid systems (UCST or LCST) 16,17,36–38 . Surfactant-based aqueous ...
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LIQUID-LIQUID EQUILIBRIUM DATA, VISCOSITIES, DENSITIES, CONDUCTIVITIES, AND REFRACTIVE INDEXES OF POLY (VINYL PYRROLIDONE)+ TRI-SODIUM CITRATE + UREA AQUEOUS TWO-PHASE SYSTEMS AT DIFFERENT PH
... Inclusion body refolding is a vital step in the production of recombinant proteins. Solubilization of aggregated protein with denaturants such as guanidine hydrochloride and urea has been reported to be essential to ...
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Aqueous biphasic systems with ionic liquids
... in aqueous media and in liquid-liquid extractions from aqueous phases since ionic liquids with low solubility in water are required, and therefore the knowledge of their mutual solubilities with water is ...
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Evaluating surfactant performance as solubilizer of non-aqueous phase liquids within aqueous media.
... NON-AQUEOUS PHASE LIQUIDS WITHIN AQUEOUS MEDIA. The presence of non-aqueous phase liquids (NAPLs) in the subsurface is a threat to public health as well as a serious environmental ...
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Aqueous phase processing of secondary organic aerosols
... hygroscopicity indicates that the aged SOA (formed after aqueous phase processing) contains more hygroscopic products. This result is consistent with the AMS data which show a clear increase of the f 44 /f ...
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An alternative method to isolate protease and phospholipase A2 toxins from snake venoms based on partitioning of aqueous two-phase systems
... the two-phase ...bottom phase – from the first – was transferred into a tube containing 5 mL of a pure top phase (from a previously prepared phase system obtained under identical ...
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Extraction of homologous and isomeric organic compounds by two-phase aqueous extraction.
... BY TWO-PHASE AQUEOUS ...the two-phase domain and for a given solute, extraction percentage (E%), concentration ratio, phase volume ratio, and equilibrium partition coefficient (K ...
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Recovery of pectinases from Aspergillus niger using aqueous two-phase systems / Recuperação de pectinases de Aspergillus niger usando sistemas aquosos bifásicos
... The aqueous organic phase system (ATPS), which integrates the concentration, clarification and initial purification, has become a desirable method for the purification and recovery of many biological ...
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Liquid-liquid equilibria in aqueous two-phase ethanol/salt systems at different temperatures and their application to anthocyanins extraction
... Aqueous two-phase systems (ATPS) are formed by mixtures of chemical species that, under certain conditions, separate into two immiscible phases, with water as the major component in ...
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Extraction of antioxidants with aqueous biphasic systems
... each phase had to be experimentally ...the two phases was determined by precipitation with this ...each phase (1:4, w:w) and the mixture was centrifuged at 3500 rpm for 30 ...
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Isolation of a lipase-producing Trichosporon spp and enzyme extraction by two-phase aqueous system
... A lipase-producing yeast strain isolated from crude cheese and identified as Trichosporon spp produced 7.3 U/mL (59.3 U/µg) after 72h of cultivation. Lipase showed optimum activity at pH 7.0-8.0 and 45-50ºC. Extraction ...
3
Stacking effect via solvent polarity differences in micellar electrokinetic chromatography with aqueous-organic background electrolyte
... Micellar electrokinetic chromatography (MEKC) was proposed in 1984 by Terabe et al. [1] to separate neutral molecules via capillary zone electrophoresis (CZE). In this approach a charged surfactant, such as sodium ...
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INFLUENCE OF pH ON THE PARTITION OF GLUCOSE-6-PHOSPHATE DEHYDROGENASE AND HEXOKINASE IN AQUEOUS TWO-PHASE SYSTEM
... In practice, the technique of extraction in ATPS requires further experimentation to find an adequate system for each particular application (16). The aim of this work was to verify the effects of different pH values ...
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Two-phase flow in netmix reactors
... involves two phases it was necessary to evaluate the multiphase models available in ...Fluent. Two different approaches are available for the modelling of multiphase flows: Euler- Lagrange (E-L) and ...
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Recovery of Ascorbic Oxidoreductase from Crude Extract with an Aqueous Two-phase System in a Perforated Rotating Disc Contactor
... an aqueous two-phase system of poly (ethylene glycol) and phosphate ...dispersed phase velocity on either protein mass transfer coefficients or separation efficiency at 1, 2 and 3 mL/min was ...
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Concentration of tumor biomarkers using aqueous biphasic systems
... abstract According to the World Health Organization, around 8.2 million people die each year with cancer. Most patients do not perform routine diagnoses and the symptoms, in most situations, occur when the patient is ...
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