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Aqueous Two-Phase Systems: Methods and Protocols de Rajni Hatti-Kaul

Aqueous Two-Phase Systems: Methods and Protocols: Methods in Biotechnology, cartea 11

Editat de Rajni Hatti-Kaul
en Limba Engleză Hardback – 21 feb 2000
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.
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Specificații

ISBN-13: 9780896035416
ISBN-10: 0896035417
Pagini: 440
Ilustrații: XIV, 454 p.
Dimensiuni: 152 x 229 x 34 mm
Greutate: 0.86 kg
Ediția:2000
Editura: Humana Press Inc.
Colecția Humana
Seria Methods in Biotechnology

Locul publicării:Totowa, NJ, United States

Public țintă

Research

Cuprins

Preparation and Characterization of Aqueous Two-Phase Systems.- Aqueous Two-Phase Systems.- The Phase Diagram.- Preparation of Aqueous Two-Phase Systems.- Measurement of Some Physical Properties of Aqueous Two-Phase Systems.- Partitioning Techniques.- Single-Step Partitioning in Aqueous Two-Phase Systems.- Partition by Countercurrent Distribution (CCD).- Liquid-Liquid Partition Chromatography (LLPC).- Partitioning of Soluble Molecules and Particulates.- Metal Ion Separations in Aqueous Biphasic Systems and with ABEC™ Resins.- Partition of Amino Acids and Peptides in Aqueous Two-Phase Systems.- Predicting Partition Coefficients of Small Solutes Based on Hydrophobicity.- Eukaryotic Cell Partition.- Concentration and Purification of Viruses.- Isolation of Plant Plasma Membranes and Production of Inside-Out Vesicles.- Isolation of Inside-Out Thylakoid Vesicles.- Two-Phase Partitioning as a Method for Isolation of Tight Plasma Membrane Vesicles from Saccharomyces cerevisiae and from Chlamydomonas reinhardtii.- Purification of Cyanobacterial Thylakoid, Plasma, and Outer Membranes by Two-Phase Partitioning.- Purification of Plasma Membranes by Affinity Partitioning.- Studying the Influence of Salts on Partitioning of Proteins.- Partitioning of Chemically Modified Proteins.- Detection and Analysis of Interactions by Two-Phase Partition.- Cryopartitioning in Two-Phase Systems Containing Organic Solvents.- Isolation and Purification of Proteins by Two-Phase Extraction.- Optimization of Extractions in Aqueous Two-Phase Systems.- Two-Phase Extraction of Proteins from Cell Debris.- Aqueous Two-Phase Extraction of Proteins from Animal Tissue.- Chaotropic Aqueous Two-Phase Systems.- Temperature-Induced Phase Partitioning for Protein Purification.- Extraction of Amphiphilic ProteinsUsing Detergent-Based Aqueous Two-Phase Systems.- Use of Charged PEG and Dextran Derivatives for Biomolecule Partitioning.- Affinity Partitioning Using Poly(ethylene glycol) with Covalently Coupled Hydrophobic Groups.- Dye-Ligand Affinity Partitioning of Proteins.- Metal Affinity Protein Partitioning.- Recovery of Proteins and Phase Components.- Combination of Extraction with Adsorption for Protein Purification.- Integration of Extraction with Affinity Precipitation.- Affinity Partitioning Using Magnetic Two-Phase Systems.- 36 Large-Scale Extraction of Proteins.- Bioconversions in Two-Phase Systems.- Extractive Bioconversion in Aqueous Two-Phase Systems.- Enzyme Reaction in Polymer-Polymer Organic Solvent Two-Phase Systems.

Textul de pe ultima copertă

In Aqueous Two-Phase Systems: Methods and Protocols, Rajni Hatti-Kaul and her expert coauthors combine theory, methodology, and applications in a practical collection of easily reproducible protocols for bioseparations in aqueous two-phase systems (ATPS). The protocols range from established methods to cutting-edge techniques with potential biotechnological applications, all presented in set-by-step detail to ensure easy reproducibility and robust results. Among the methods detailed are those for ATPS preparation and characterization, for partitioning applied to soluble molecules and particulates (including whole cells, membranes, and organelles), and for the isolation and purification of proteins-including a glimpse of large-scale handling of two-phase separations. Techniques for in situ product recovery during biocatalytic processes and for polymer-polymer systems in organic solvents are also presented.
Practical and informative, with its detailed guidelines allowing researchers to adapt specific systems to their own separation needs, Aqueous Two-Phase Systems: Methods and Protocols demonstrates the scope and utility of two-phase aqueous systems in both basic and applied research.

Caracteristici

Includes supplementary material: sn.pub/extras