Polyion complex nanomaterials from block polyelectrolyte micelles and linear polyelectrolytes of opposite charge: 1. Solution behavior

Pavel S. Chelushkin, Evgeny A. Lysenko, Tatiana K Bronich, Adi Eisenberg, Victor A. Kabanov, Alexander V. Kabanov

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

The present study investigates whether block polyelectrolyte micelles can form soluble complexes upon interaction with oppositely charged linear polyelectrolytes. The phase behavior and molecular characteristics of the complexes were examined by turbidimetry, phase analysis, dynamic light scattering, and sedimentation velocity techniques. At an excess of polyelectrolyte micelles, soluble complexes were formed either independently on the route of preparation or, for select linear polyelectrolytes, through routes that avoided macrophase separation. Such soluble complexes are in a thermodynamic equilibrium state for all polyion pairs. The hydrodynamic sizes and sedimentation coefficients did not depend on the chemical nature of the linear polyelectrolyte, but were determined by the charge ratios and the hydrodynamic properties of the initial micelles. At an excess of linear polyelectrolyte, complex solubility and molecular characteristics depended on the chemical nature of the linear polyelectrolyte. In this region, linear polyelectrolytes formed soluble complexes with micelles if soluble complexes could be formed with the corresponding linear analogues of the block polyelectrolyte.

Original languageEnglish (US)
Pages (from-to)8419-8425
Number of pages7
JournalJournal of Physical Chemistry B
Volume111
Issue number29
DOIs
StatePublished - Jul 26 2007

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Micelles
Polyelectrolytes
Nanostructured materials
micelles
hydrodynamics
routes
thermodynamic equilibrium
Sedimentation
light scattering
solubility
analogs
Hydrodynamics
preparation
coefficients
Dynamic light scattering
Phase behavior
interactions
Solubility
Thermodynamics

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Polyion complex nanomaterials from block polyelectrolyte micelles and linear polyelectrolytes of opposite charge : 1. Solution behavior. / Chelushkin, Pavel S.; Lysenko, Evgeny A.; Bronich, Tatiana K; Eisenberg, Adi; Kabanov, Victor A.; Kabanov, Alexander V.

In: Journal of Physical Chemistry B, Vol. 111, No. 29, 26.07.2007, p. 8419-8425.

Research output: Contribution to journalArticle

Chelushkin, Pavel S. ; Lysenko, Evgeny A. ; Bronich, Tatiana K ; Eisenberg, Adi ; Kabanov, Victor A. ; Kabanov, Alexander V. / Polyion complex nanomaterials from block polyelectrolyte micelles and linear polyelectrolytes of opposite charge : 1. Solution behavior. In: Journal of Physical Chemistry B. 2007 ; Vol. 111, No. 29. pp. 8419-8425.
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