Water-Mediated Effects of PEG on Membrane Properties and Fusion

  • Klaus Arnold
  • Andreas Herrmann
  • Klaus Gawrisch
  • Lothar Pratsch


Poly(ethylene glycol) (PEG) has met wide applications in biology and medicine, PEG is used as a fractional precipitating agent for protein purification and isolation, DNA and protein crystallization and for the cryo preservation of biological material. PEG of a molecular weight of about 6000 is commonly used to induce fusion of liposomes as well as of a wide variety of plant protoplasts and animal cells.


Membrane Surface Osmotic Pressure Ethylene Oxide Cell Fusion Quadrupole Splitting 
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Copyright information

© Plenum Press, New York 1988

Authors and Affiliations

  • Klaus Arnold
    • 1
  • Andreas Herrmann
    • 3
  • Klaus Gawrisch
    • 2
  • Lothar Pratsch
    • 3
  1. 1.Institute of BiophysicsKarl Marx UniversityLeipzigG.D.R.
  2. 2.Department of PhysicsKarl Marx UniversityLeipzigG.D.R.
  3. 3.Department of Biology of the Humboldt UniversityBerlinG.D.R.

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