Theory and Simulation of Polyelectrolyte Solutions and Gels

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Physics and Theory".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 2919

Special Issue Editor


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Guest Editor
Section on Quantitative Imaging and Tissue Sciences, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA
Interests: theoretical and computational modeling of polyelectrolyte solutions and gels

Special Issue Information

Dear Colleagues,

Polyelectrolyte solutions and gels are of broad scientific and technological interest due to their crucial role in the functionality of many biological processes, and they are essential for the development of many modern materials. The main attribute of systems of charged macromolecules is that all molecules are cooperatively correlated both topologically and electrostatically in a medium of highly polarizable solvent/environment and small mobile ions. However, there are immense theoretical and computational challenges in achieving a predictive capability in this field due to the emergence of long-ranged correlations among all the components of the charged systems. While a fundamental understanding of the behavior of charged macromolecules remains as one of the major challenges in polymer science, soft matter, and biological science, many advances have recently been achieved.

The aim of this Special Issue is to highlight the progress in the theoretical and computational modeling of polyelectrolyte solutions and gels in understanding the conformations of isolated macromolecules or nanogels and their charge regularization, polarizability of the medium, specific ion effects, multivalency, mobility of macromolecules of different chemical architectures, intrinsically disordered proteins, crowded solutions, adsorption to charged brushes, dendrimers and membranes, self-assembly of proteins and coacervates, morphology of charged block copolymers, kinetic pathways of complexation among macromolecules, critical phenomena, and flow effects.

Dr. Alexandros Chremos
Guest Editor

Manuscript Submission Information

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Keywords

  • solvation/hydration
  • self-assembly
  • conductivity
  • ion partition
  • charged block copolymers
  • coacervates

Published Papers (1 paper)

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Research

12 pages, 2405 KiB  
Article
Synthesis and Heavy-Metal Sorption Studies of N,N-Dimethylacrylamide-Based Hydrogels
by Ayatzhan Akhmetzhan, Nurgeldi Abeu, Sotirios Nik. Longinos, Ayezkhan Tashenov, Nurbala Myrzakhmetova, Nurgul Amangeldi, Zhanar Kuanyshova, Zhanar Ospanova and Zhexenbek Toktarbay
Polymers 2021, 13(18), 3084; https://0-doi-org.brum.beds.ac.uk/10.3390/polym13183084 - 13 Sep 2021
Cited by 15 | Viewed by 2474
Abstract
In this work, a hydrogel system was produced via radical polymerization of N,N-dimethylacrylamide and 2-acrylamido-2-methylpropanesulfonic acid in the presence of N,N-methylene-bis-acrylamide as a crosslinker and ammonium persulfate as an initiator. Parameters that impact the conversion of copolymerization [...] Read more.
In this work, a hydrogel system was produced via radical polymerization of N,N-dimethylacrylamide and 2-acrylamido-2-methylpropanesulfonic acid in the presence of N,N-methylene-bis-acrylamide as a crosslinker and ammonium persulfate as an initiator. Parameters that impact the conversion of copolymerization (such as initial concentration of monomers, temperature, initiator dose, and time) were studied. The swelling degree of the hydrogel was investigated with the addition of a crosslinker and initiator at different pH levels. A hydrogel with high conversion and high swelling degree was selected to investigate their ability for adsorption of Pb(II) ions from solutions. Adsorption behavior of Pb(II) ions in a hydrogel was examined as a function of reaction time and concentration of lead ions from a solution of Pb(II) ions. Full article
(This article belongs to the Special Issue Theory and Simulation of Polyelectrolyte Solutions and Gels)
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