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dc.contributor.author
Bierbrauer, Karina Lilian
dc.contributor.author
Alasino, Roxana Valeria
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Strumia, Miriam Cristina
dc.contributor.author
Beltramo, Dante Miguel
dc.date.available
2017-03-09T18:56:36Z
dc.date.issued
2014-01
dc.identifier.citation
Bierbrauer, Karina Lilian; Alasino, Roxana Valeria; Strumia, Miriam Cristina; Beltramo, Dante Miguel; Cationic cellulose and its interaction with chondroitin sulfate: rheological properties of the polyelectrolyte complex; Elsevier; European Polymer Journal; 50; 1-2014; 142-149
dc.identifier.issn
0014-3057
dc.identifier.uri
http://hdl.handle.net/11336/13680
dc.description.abstract
This work describes the polyelectrolyte complexation between polyquaternium cellulose (PQ-10) and chondroitin 4-sulfate (C-4S), an important structural component of cartilages. The complex shows different behaviors with increasing concentrations of the polyanion. Initially, PQ-10/C-4S interaction forms a soluble, translucent hydrogel that reaches maximum viscosity at a sulfate carboxylate/quaternary ammonium molar ratio lower than 1. After that, the complex begins to aggregate until complete precipitation, and finally, at higher concentrations of C-4S, the resuspension of the aggregate is observed. Further addition of PQ-10 initiates new cycles of precipitation/resuspension for at least seven times. C-4S contains sulfates and carboxylates able to interact with quaternary ammonium of PQ-10. The results of a comparative study with polymers containing only carboxylate or sulfate to evaluate the influence of each group suggest that the phenomena observed involved, essentially, carboxylate groups.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Polyquaternium
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Chondroitin Sulfate
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Alginate
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Carrageenan
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Electrostatic Interactions
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Rheology
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Físico-Química, Ciencia de los Polímeros, Electroquímica
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Ciencias Químicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Cationic cellulose and its interaction with chondroitin sulfate: rheological properties of the polyelectrolyte complex
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-03-03T19:00:42Z
dc.identifier.eissn
1873-1945
dc.journal.volume
50
dc.journal.pagination
142-149
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Bierbrauer, Karina Lilian. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Provincia de Cordoba. Ministerio de Ciencia y Tecnica. Centro de Excelencia En Productos y Procesos de Cordoba; Argentina
dc.description.fil
Fil: Alasino, Roxana Valeria. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Provincia de Cordoba. Ministerio de Ciencia y Tecnica. Centro de Excelencia En Productos y Procesos de Cordoba; Argentina
dc.description.fil
Fil: Strumia, Miriam Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal (p); Argentina. Universidad Catolica de Cordoba. Facultad de Cs.quimicas; Argentina
dc.description.fil
Fil: Beltramo, Dante Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Provincia de Cordoba. Ministerio de Ciencia y Tecnica. Centro de Excelencia En Productos y Procesos de Cordoba; Argentina
dc.journal.title
European Polymer Journal
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://dx.doi.org/10.1016/j.eurpolymj.2013.10.018
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0014305713005107
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