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Self-Assembled Gels from Biological and Synthetic Polyelectrolytes.

Published online by Cambridge University Press:  10 May 2012

Paul Calvert ,
Skander Limem ,
Don McCallum ,
Gordon Wallace  and
Marc in het Panhuis
Paul Calvert
Affiliation:
Department of Materials and Textiles, UMass Dartmouth, N. Dartmouth MA, 02747 USA
Skander Limem
Affiliation:
Department of Materials and Textiles, UMass Dartmouth, N. Dartmouth MA, 02747 USA
Don McCallum
Affiliation:
ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, NSW 2522, Australia Soft Materials Group, School of Chemistry, University of Wollongong, Wollongong, NSW 2522, Australia
Gordon Wallace
Affiliation:
ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, NSW 2522, Australia
Marc in het Panhuis
Affiliation:
ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, NSW 2522, Australia Soft Materials Group, School of Chemistry, University of Wollongong, Wollongong, NSW 2522, Australia
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Abstract

Inkjet printing of alternate layers of anionic and cationic polyelectrolytes allows organized gels to form with structures similar to those made by layer--by-layer dipping methods but very much faster. Structures of gels formed using slow and fast inkjet printing systems are compared using elemental analysis, swelling and diffusion kinetics as characterization methods. After printing and washing, most sodium or chloride counter-ions are last from the gel, leave only the polymer complex. The swelling properties of the printed and washed gel depend on the deposition rate and on the ratio of the two polymers as originally printed. The synthetic polyelectrolytes reported here can be compared with biological polyelectrolytes reported earlier by us.

Keywords

self-assemblybiomimetic (assembly)biomaterial
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1418: Symposium LL/MM – Gels and Biomedical Materials , 2012 , mrsf11-1418-ll05-06
Copyright
Copyright © Materials Research Society 2012

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References

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