Production of chemically modified chitosan microspheres by a spraying and coagulation method

Detalhes bibliográficos
Autor(a) principal: Torres,Marco Antonio
Data de Publicação: 2007
Outros Autores: Vieira,Rodrigo Silveira, Beppu,Marisa Masumi, Arruda,Eduardo José, Santana,Cesar Costapinto
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Materials research (São Carlos. Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392007000400005
Resumo: Chitosan microspheres can be used in several applications, as biomaterials, in biotechnology processes and as adsorbents. The control of particle size in microsphere production is important to make these applications viable. This study focuses on the production and morphological characterization of chitosan microspheres. Microspheres were prepared by a spraying and coagulation process. Particles underwent chemical modifications with glutaraldehyde, epichlorohydrin or acetic anhydride treatments. The microspheres presented a fairly good sphericity (0.74) but an irregular micro-surface morphology. The mean particle size (MPS) ranged from 140 to 281 mum and the mean standard deviation (MSD) from 119 to 238 mm. The conditions were modelled to provide desired MPS and MSD by using the response surface methodology (RSM).
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spelling Production of chemically modified chitosan microspheres by a spraying and coagulation methodchitosanmicrospheresChitosan microspheres can be used in several applications, as biomaterials, in biotechnology processes and as adsorbents. The control of particle size in microsphere production is important to make these applications viable. This study focuses on the production and morphological characterization of chitosan microspheres. Microspheres were prepared by a spraying and coagulation process. Particles underwent chemical modifications with glutaraldehyde, epichlorohydrin or acetic anhydride treatments. The microspheres presented a fairly good sphericity (0.74) but an irregular micro-surface morphology. The mean particle size (MPS) ranged from 140 to 281 mum and the mean standard deviation (MSD) from 119 to 238 mm. The conditions were modelled to provide desired MPS and MSD by using the response surface methodology (RSM).ABM, ABC, ABPol2007-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392007000400005Materials Research v.10 n.4 2007reponame:Materials research (São Carlos. Online)instname:Universidade Federal de São Carlos (UFSCAR)instacron:ABM ABC ABPOL10.1590/S1516-14392007000400005info:eu-repo/semantics/openAccessTorres,Marco AntonioVieira,Rodrigo SilveiraBeppu,Marisa MasumiArruda,Eduardo JoséSantana,Cesar Costapintoeng2008-02-07T00:00:00Zoai:scielo:S1516-14392007000400005Revistahttp://www.scielo.br/mrPUBhttps://old.scielo.br/oai/scielo-oai.phpdedz@power.ufscar.br1980-53731516-1439opendoar:2008-02-07T00:00Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)false
dc.title.none.fl_str_mv Production of chemically modified chitosan microspheres by a spraying and coagulation method
title Production of chemically modified chitosan microspheres by a spraying and coagulation method
spellingShingle Production of chemically modified chitosan microspheres by a spraying and coagulation method
Torres,Marco Antonio
chitosan
microspheres
title_short Production of chemically modified chitosan microspheres by a spraying and coagulation method
title_full Production of chemically modified chitosan microspheres by a spraying and coagulation method
title_fullStr Production of chemically modified chitosan microspheres by a spraying and coagulation method
title_full_unstemmed Production of chemically modified chitosan microspheres by a spraying and coagulation method
title_sort Production of chemically modified chitosan microspheres by a spraying and coagulation method
author Torres,Marco Antonio
author_facet Torres,Marco Antonio
Vieira,Rodrigo Silveira
Beppu,Marisa Masumi
Arruda,Eduardo José
Santana,Cesar Costapinto
author_role author
author2 Vieira,Rodrigo Silveira
Beppu,Marisa Masumi
Arruda,Eduardo José
Santana,Cesar Costapinto
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Torres,Marco Antonio
Vieira,Rodrigo Silveira
Beppu,Marisa Masumi
Arruda,Eduardo José
Santana,Cesar Costapinto
dc.subject.por.fl_str_mv chitosan
microspheres
topic chitosan
microspheres
description Chitosan microspheres can be used in several applications, as biomaterials, in biotechnology processes and as adsorbents. The control of particle size in microsphere production is important to make these applications viable. This study focuses on the production and morphological characterization of chitosan microspheres. Microspheres were prepared by a spraying and coagulation process. Particles underwent chemical modifications with glutaraldehyde, epichlorohydrin or acetic anhydride treatments. The microspheres presented a fairly good sphericity (0.74) but an irregular micro-surface morphology. The mean particle size (MPS) ranged from 140 to 281 mum and the mean standard deviation (MSD) from 119 to 238 mm. The conditions were modelled to provide desired MPS and MSD by using the response surface methodology (RSM).
publishDate 2007
dc.date.none.fl_str_mv 2007-12-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392007000400005
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392007000400005
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S1516-14392007000400005
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv ABM, ABC, ABPol
publisher.none.fl_str_mv ABM, ABC, ABPol
dc.source.none.fl_str_mv Materials Research v.10 n.4 2007
reponame:Materials research (São Carlos. Online)
instname:Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
instname_str Universidade Federal de São Carlos (UFSCAR)
instacron_str ABM ABC ABPOL
institution ABM ABC ABPOL
reponame_str Materials research (São Carlos. Online)
collection Materials research (São Carlos. Online)
repository.name.fl_str_mv Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)
repository.mail.fl_str_mv dedz@power.ufscar.br
_version_ 1754212658833260544

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