[PDF] Top 20 Extraction of antioxidants with aqueous biphasic systems

... use of ABS consisting of two immiscible aqueous phases has emerged as a more biocompatible, environmentally-friendly and economically feasible technique for the extraction/purification ... See full document

... (15,107). With the goal of developing a new and pioneering affinity purification technique, Verdorliva et ...portion of immunoglobulins ...Two of the most used kits are Thermo Pierce's ... See full document

... ‘‘migration’’ of solvent molecules away from the ions of the ionic liquid towards those of the inorganic salt takes place, which in turn leads to liquid–liquid ...rest of the inorganic salt ... See full document

... in aqueous solution. The implementation of ABS to chiral separations has been achieved resorting to two distinct strategies: one that relays on the addition of an extra chiral selector to the system ... See full document

... evaluated with two amino acids, namely tyrosine and ...phase with remarkable extraction ...knowledge with the amino acids behavior in ABS represents a relevant basis to understand the ... See full document

... these systems, the ABS composition was ...the biphasic region of the phase diagram (26 wt% PPG400+26 wt% (D)-sucrose, 20 wt% PPG400 + 40 wt% (D)-sucrose and 30 wt% PPG400 + 30wt% ...influence ... 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 caffeine ... See full document

... properties of target compounds and contaminants present in the original media ...20–60% of the final cost of the product; this value may even reach 90% in particular products ...separation of ... See full document

... relevance of antibodies 1 ...type of antibodies in a variety of biomedical applications 2 ...treatment of cancer, as transporters of toxins or radio labelled isotopes to cancerous cells ... See full document

... evaluation of immunogen specific reactivity was performed by ELISA assay; this is a standardized quantitative method, common in antibody-antigen ...bottom of multiwell plate and antibody-containing samples ... See full document

... commercialization of chiral drugs is an increasing concern in the pharmacological field since the differences in the pharmacological activities of enantiomers may result in serious problems in the treatment ... See full document

... temperatures of ILs are typically associated with the lack of an ordered crystalline structure [34], a result of the weak intermolecular interactions derived from the large size ions and their ... See full document

... phase, with their partition coefficients increasing in following order [Ch][DHCit] < [Ch][But] < [Ch][Lac] < [Ch][Pro] < [Ch]Cl < [Ch][Bit] < [Ch][Ac] < ...phases with lower IL/salt or ... See full document

... performance of SPE in the extraction of tenofovir from plasma was unconvincing according to the main conclusions found in literature, the values varying from its complete incapability (120), passing ... See full document

... behavior of target ...formation of phases, in function of its relative ...number of HBD possibilities, which with different hydrophilicities and in- fluences on the biphasic ... 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

... use of organic and toxic molecular solvents, there is also the need of SPE cartridges which are usually of high ...one of the most important characteristics in modern science) more ... See full document

... development of new techniques for the biomolecules separation and purification, while maintaining their functional characteristics unchanged, is still ...coefficients of vanillin, a compound with ... See full document

... kind of compounds are sensitive to water hardness, ...(e.g. with a quaternary ammonium ...charge of the hydrophilic ...surfactants with a non-charged hydrophilic region ...combination ... See full document

... development of self-buffering and benign extraction/separation processes, this work reports a novel class of aqueous biphasic systems (ABS) composed of ionic liquids (ILs) ... See full document