Journal
JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES
Volume 807, Issue 1, Pages 3-11Publisher
ELSEVIER
DOI: 10.1016/j.jchromb.2004.01.008
Keywords
reviews; aqueous two-phase systems; partitioning; process integration; proteins
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The practical application of aqueous two-phase systems (ATPS) to process development has been exploited for several years for the recovery of biological products. Unfortunately, this has not resulted in an extensive presence of the technique in commercial processes. Some of the main identified reasons for such situation involve the full understanding of the mechanism governing phase formation and the behaviour of solute partitioning in ATPS processes, the cost of phase forming polymers and the necessary extended time to understand the technique for process development. In this review paper, some of the practical disadvantages attributed to ATPS are addressed. The practical approach exploited to design ATPS processes, the application to achieve process integration, the increasing use for the recovery of high-value products and the recent development of alternative low cost ATPS, are discussed. It is proposed that the potential trend in the application of ATPS processes for the recovery of biological products will involve the recovery of high-value bio-particulate products with medical applications. This proposed trend in the application of ATPS will address the urgent need to rapidly and economically bring new biopharmaceutical products to market using scaleable and efficient bioprocess technology. (C) 2004 Elsevier B.V. All rights reserved.
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