Special Issue "Polyelectrolytes 2014"
A special issue of Polymers (ISSN 2073-4360).
Deadline for manuscript submissions: closed (31 March 2014)
Dr. Christian Seidel
Max Planck Institute of Colloids and Interfaces, Department of Theory & Bio-Systems, Science Park Golm, D-14424 Potsdam, Germany
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Phone: +49 331 567 9608
Fax: +49 331 567 9612
Interests: polymers and polyelectrolytes in solution and at interfaces; polyelectrolyte brushes; organization of nanoparticles at copolymer brushes; numerical simulations and theory
Synthetic and natural polyelectrolytes have been the subject of fundamental and applied studies for nearly a century. Due to substantial advances both in experimental methods and theoretical approaches, since the 1990’s polyelectrolyte research has undergone a considerable speed-up. On the one hand, interest in polyelectrolytes is spurred by their fascinating properties, such as water solubility, intra- and interchain interactions, the strength of which can be tuned simply by varying salt concentration, and ionic conductivity. These properties make polyelectrolytes attractive from the application-oriented point of view, such as stabilizer of colloidal suspensions, additives to modify flocculation and viscosity, and superabsorbers. Functional polyelectrolytes combine the useful properties intrinsic to polyelectrolytes with added functionality provided by specific features of the polymer backbone, such as delocalized electrons in conjugated chains. Combined functionality can be used to create materials with highly interesting optical, electro-optical, and electronic properties.
On the other hand, the understanding of polyelectrolytes still belongs to the most challenging and most exciting problems in polymer physics and physical chemistry. Despite much effort and substantial progress during the last two decades, much more work is ahead to achieve a quantitative agreement between theory and experiments for a lot of problems, such as counterion condensation, chain stiffness, and formation of complexes. It is still a major open problem to have a satisfactory model explaining the coupling between small ions in solutions and polyelectrolyte charges, which is necessary to understand how electrostatics affects the behavior of polyelectrolytes.
Many biologically relevant macromolecules, such as nucleic acids, polypeptides, and polysaccharides, are polyelectrolytes. Electrophoresis is a well-established method for the fractionation of polyelectrolytes and more specifically, DNA. Hydration-mediated interactions play an important role in the field of biological polyelectrolytes, but are not well understood on nano-scales.
Dr. Christian Seidel
Manuscript Submission Information
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- synthesis and biopolyelectrolytes
- stimuli-responsive polyelectrolytes
- hydration effects and ion-specific interactions
- polyelectrolyte multilayers, complexes and gels
- polyelectrolyte brushes
- conjugated polyelectrolytes
- theory and modeling