General Aspects of Aqueous Polymer Two-Phase Partition

  • Per-Åke Albertsson


Aqueous, liquid-liquid, polymer two-phase systems are obtained with mixtures of aqueous solutions of two different polymers. These phase systems are very mild towards biological material and can be used for the partition of biomolecules, membrane vesicles, cell organelles and whole cells. The partition depends mainly on the surface properties of the particles and molecules. These include size, charge, hydrophobicity and the biospecific structure of the surface particles.


Polyethylene Glycol Phase System Aqueous Polymer Refractive Index Difference Large Industrial Scale 


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  1. 1.
    P.-Å. Albertsson (1986) Partition of Cell Particles and Macromolecules, Wiley, New YorkGoogle Scholar
  2. 2.
    Partitioning in Aqueous Two-Phase Systems, H. Walter, D.E. Brooks and D. Fisher, eds., Academic Press, Orlando, Florida, USA (1985)Google Scholar

Copyright information

© Plenum Press, New York 1989

Authors and Affiliations

  • Per-Åke Albertsson
    • 1
  1. 1.Department of BiochemistryUniversity of LundLundSweden

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