Aqueous Two-Phase Systems

Aqueous Two-Phase Systems

Author: Rajni Hatti-Kaul

Publisher: Springer Science & Business Media

Published: 2008-02-05

Total Pages: 442

ISBN-13: 1592590284

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A mixture of two polymers, or one polymer and a salt, in an aqueous medium separates into two phases: this phenomenon is useful in biotechn- ogy for product separations. Separation of biological molecules and particles in these aqueous two-phase systems (ATPS) was initiated over 40 years ago by P.-Å. Albertsson, and later proved to be of immense utility in biochemical and cell biological research. A boost in the application of ATPS was seen when problems of separations in biotechnology processes were encountered. Its simplicity, biocompatibility, and amenability to easy scaleup operations make the use of ATPS very attractive for large-scale bioseparations. Despite the advantages ATPS enjoys over other separation techniques, the application of two-phase systems has for a long time been confined to selected labora- ries. Recent years have, however, shown a trend in which increasing numbers of researchers employ two-phase partitioning techniques in both basic and applied research.


CRC Handbook of Thermodynamic Data of Aqueous Polymer Solutions

CRC Handbook of Thermodynamic Data of Aqueous Polymer Solutions

Author: Christian Wohlfarth

Publisher: CRC Press

Published: 2004-01-06

Total Pages: 519

ISBN-13: 0203998200

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Providing the necessary basis for any developments of theoretical thermodynamic models, this book provides a complete collection of practical thermodynamic data for a variety of applications, including: basic and applied chemistry, chemical engineering, thermodynamic research, computational modeling, membrane science and technology, and environmental and green chemistry. The data -- which includes such developments as vapor-liquid and liquid-liquid equilibria, low-and high-pressure equilibrium data, enthalpic and volumetric data, and second virial coefficients -- is necessary when studying intermolecular interactions and gaining insights into the molecular nature of mixtures.


CRC Handbook of Thermodynamic Data of Polymer Solutions, Three Volume Set

CRC Handbook of Thermodynamic Data of Polymer Solutions, Three Volume Set

Author: Christian Wohlfarth

Publisher: CRC Press

Published: 2018-10-03

Total Pages: 656

ISBN-13: 1482274906

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Providing valuable insight on physical behavior of polymer solutions, intermolecular interactions, and the molecular nature of mixtures, each volume in this one-of-a-kind handbook brings together reliable, easy-to-use entries, references, tables, examples, and appendices on experimental data from hundreds of primary journal articles, dissertations,


Aqueous Biphasic Separations

Aqueous Biphasic Separations

Author: Robin D. Rogers

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 191

ISBN-13: 1461519535

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Proceedings of an American Chemical Society Symposium held in San Diego, California, March 13-14, 1994


Intensification of Biobased Processes

Intensification of Biobased Processes

Author: Andrzej Gorak

Publisher: Royal Society of Chemistry

Published: 2018-06-18

Total Pages: 544

ISBN-13: 1788010329

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The first book dedicated entirely to this area, Intensification of Biobased Processes provides a comprehensive overview of modern process intensification technologies used in bioprocessing.


CRC Handbook of Phase Equilibria and Thermodynamic Data of Aqueous Polymer Solutions

CRC Handbook of Phase Equilibria and Thermodynamic Data of Aqueous Polymer Solutions

Author: Christian Wohlfarth

Publisher: CRC Press

Published: 2012-08-10

Total Pages: 777

ISBN-13: 146655438X

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A large amount of experimental data has been published since the debut of the original CRC Handbook of Thermodynamic Data of Aqueous Polymer Solutions. Incorporating new and updated material, the CRC Handbook of Phase Equilibria and Thermodynamic Data of Aqueous Polymer Solutions provides a comprehensive collection of thermodynamic data of polymer solutions. It helps readers quickly retrieve necessary information from the literature, and assists researchers in planning new measurements where data are missing. A valuable resource for the modern chemistry field, the Handbook clearly details how measurements were conducted and methodically explains the nomenclature. It presents data essential for the production and use of polymers as well as for understanding the physical behavior and intermolecular interactions in polymer solutions.


The Science and Application of Aqueous Two-Phase Systems and Liquid-Liquid Phase Separation in Biotechnology and Bioengineering

The Science and Application of Aqueous Two-Phase Systems and Liquid-Liquid Phase Separation in Biotechnology and Bioengineering

Author: John Paul Frampton

Publisher: Frontiers Media SA

Published: 2020-01-13

Total Pages: 117

ISBN-13: 288963356X

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The phase separation of incompatible liquids has been a topic of significant importance in chemical and industrial engineering for many years. Well-understood examples of this phenomenon include the phase separation of oil with water and the phase separation of non-polar organic solvents with water. Similar behavior is observed when aqueous solutions of two or more incompatible polymers or polymers and salts are mixed. In these mixtures (referred to as aqueous two-phase systems), the separated phases are composed mostly of water. Aqueous two-phase systems have been used extensively for the extraction of high-value biological products from mixtures of biological materials. In recent years, aqueous two-phase systems have also found increased use as materials for streamlining and improving the capabilities of cell and molecular assays, and for the design of advanced cell culture systems. Similar behavior of biological materials in living systems has also been observed, with emerging roles in cell physiology.


Ionic-Liquid-Based Aqueous Biphasic Systems

Ionic-Liquid-Based Aqueous Biphasic Systems

Author: Mara G. Freire

Publisher: Springer

Published: 2016-10-05

Total Pages: 322

ISBN-13: 3662528754

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This book offers comprehensive information on the fundamentals and applications of ionic-liquid-based aqueous biphasic systems, which have predominantly (and successfully) been employed as alternative platforms for the extraction, separation and purification of diverse high-value products. The book consists of an initial introduction providing a brief overview, from fundamentals to applications, followed by nine chapters addressing the respective phase diagrams (interpretation and characterization) and remarkable examples of their applications. It also includes two final chapters focusing on recent developments in the search for more environmentally-benign and biocompatible ionic-liquid-based aqueous biphasic systems, and on the progress made to date concerning the recovery, recycling and reuse of the phase-forming components, the goal being the development of cost-effective and sustainable processes. The book offers an interesting and useful guide for a broad readership in the fields of green chemistry, biotechnology, chemical engineering, and biochemistry, among others. Mara G. Freire is a Coordinator Researcher at CICECO - Aveiro Institute of Materials, Chemistry Department, University of Aveiro, Portugal.