Thermal Characterization of Chitosan-Grafted Membranes to be Used as Wound Dressings
Autor(a) principal: | |
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Data de Publicação: | 2006 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10316/8976 https://doi.org/10.1080/07328300600734085 |
Resumo: | Six different membranes previously prepared by the authors by graft copolymerization of acrylic acid (AA) and 2-hydroxyethylmethacrylate (HEMA) onto chitosan were characterized. The graft copolymerization of the vinyl monomers onto chitosan was confirmed by FTIR and DMTA. The chitosan used was also characterized by DMTA, which allowed addressing some questions related to the typical thermal transitions of this biopolymer. The swelling capacity of the membranes was also determined. The chitosan-graft-AA-graft-HEMA with an equimolar ratio of HEMA and AA kept good swelling capacity without compromising its physical stability, which suggests it to be the best matrix for drug delivery systems. |
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Thermal Characterization of Chitosan-Grafted Membranes to be Used as Wound DressingsSix different membranes previously prepared by the authors by graft copolymerization of acrylic acid (AA) and 2-hydroxyethylmethacrylate (HEMA) onto chitosan were characterized. The graft copolymerization of the vinyl monomers onto chitosan was confirmed by FTIR and DMTA. The chitosan used was also characterized by DMTA, which allowed addressing some questions related to the typical thermal transitions of this biopolymer. The swelling capacity of the membranes was also determined. The chitosan-graft-AA-graft-HEMA with an equimolar ratio of HEMA and AA kept good swelling capacity without compromising its physical stability, which suggests it to be the best matrix for drug delivery systems.http://www.informaworld.com/10.1080/073283006007340852006info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://hdl.handle.net/10316/8976http://hdl.handle.net/10316/8976https://doi.org/10.1080/07328300600734085engJournal of Carbohydrate Chemistry - Taylor & Francis. 25:2 (2006) 233-251Ferreira, P.Coelho, J. F. J.Santos, K. S. C. R. dosFerreira, E. I.Gil, M. H.info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2020-11-06T17:00:03Zoai:estudogeral.uc.pt:10316/8976Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T21:01:09.428045Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Thermal Characterization of Chitosan-Grafted Membranes to be Used as Wound Dressings |
title |
Thermal Characterization of Chitosan-Grafted Membranes to be Used as Wound Dressings |
spellingShingle |
Thermal Characterization of Chitosan-Grafted Membranes to be Used as Wound Dressings Ferreira, P. |
title_short |
Thermal Characterization of Chitosan-Grafted Membranes to be Used as Wound Dressings |
title_full |
Thermal Characterization of Chitosan-Grafted Membranes to be Used as Wound Dressings |
title_fullStr |
Thermal Characterization of Chitosan-Grafted Membranes to be Used as Wound Dressings |
title_full_unstemmed |
Thermal Characterization of Chitosan-Grafted Membranes to be Used as Wound Dressings |
title_sort |
Thermal Characterization of Chitosan-Grafted Membranes to be Used as Wound Dressings |
author |
Ferreira, P. |
author_facet |
Ferreira, P. Coelho, J. F. J. Santos, K. S. C. R. dos Ferreira, E. I. Gil, M. H. |
author_role |
author |
author2 |
Coelho, J. F. J. Santos, K. S. C. R. dos Ferreira, E. I. Gil, M. H. |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Ferreira, P. Coelho, J. F. J. Santos, K. S. C. R. dos Ferreira, E. I. Gil, M. H. |
description |
Six different membranes previously prepared by the authors by graft copolymerization of acrylic acid (AA) and 2-hydroxyethylmethacrylate (HEMA) onto chitosan were characterized. The graft copolymerization of the vinyl monomers onto chitosan was confirmed by FTIR and DMTA. The chitosan used was also characterized by DMTA, which allowed addressing some questions related to the typical thermal transitions of this biopolymer. The swelling capacity of the membranes was also determined. The chitosan-graft-AA-graft-HEMA with an equimolar ratio of HEMA and AA kept good swelling capacity without compromising its physical stability, which suggests it to be the best matrix for drug delivery systems. |
publishDate |
2006 |
dc.date.none.fl_str_mv |
2006 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10316/8976 http://hdl.handle.net/10316/8976 https://doi.org/10.1080/07328300600734085 |
url |
http://hdl.handle.net/10316/8976 https://doi.org/10.1080/07328300600734085 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Journal of Carbohydrate Chemistry - Taylor & Francis. 25:2 (2006) 233-251 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
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RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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