Estimation of the nucleation and crystal growth contributions to the overall crystallization energy barrier

  • Lorenzo A
  • Müller A
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Abstract

A new type of phase separation in the polyelectrolyte solutions consisting of several types of charged macromolecules differing in their degree of ionization is predicted via a general thermodynamic consideration. We show that even a small difference in the degree of ionization of otherwise equivalent components results in their spatial separation occurring upon decreasing the temperature much earlier than precipitation of the components from the solution. Some implications of charge fractionation in biological processes are discussed.

Author-supplied keywords

  • Activation energy barrier
  • Crystal growth
  • Crystallization
  • Isothermal crystallization kinetics
  • Nucleation
  • Primary nucleation
  • Self-nucleation

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