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Type: Artigo de periódico
Title: Phase equilibrium and protein partitioning in aqueous mixtures of maltodextrin with polypropylene glycol
Author: da Silva, LHM
Meirelles, AJA
Abstract: Equilibrium data were obtained for polypropylene glycol, PPG (400 and 3500)/maltodextrin, MD (1000 and 2000) aqueous two-phase systems at 25 degreesC. Four tie lines were measured for each system. The MD concentration in top phase is very small, and in some cases MD is almost excluded from this phase. The non random two-liquid (NRTL) model was used to correlate the equilibrium data. The partitioning behaviour of bovine serum albumin (BSA), alpha -lactoalbumin (alpha -La) and beta -lactoglobulin (beta -Lg) was studied in PPG 400/MD systems at 25 degreesC. For most cases the proteins partition preferentially to the top phase. (C) 2001 Elsevier Science Ltd. All fights reserved.
Subject: aqueous two-phase systems
polypropylene glycol
non random two-liquid
partitioning protein
Country: Inglaterra
Editor: Elsevier Sci Ltd
Rights: fechado
Identifier DOI: 10.1016/S0144-8617(00)00324-6
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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