Layer-by-layer films based on catechol-modified polysaccharides produced by dip- and spin-coating onto different substrates
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | https://hdl.handle.net/1822/62549 |
Resumo: | Layer-by-layer films based on chitosan and hyaluronic acid were produced by dip- and spin-coating techniques onto glass, 316L stainless steel and titanium. These natural polymers were modified with catechol groups, in order to build coatings with improved adhesive properties. Polymeric coatings were exclusively composed by both modified polymers whereas the multifunctional coatings combined an inorganic phase of bioactive glass nanoparticles with the polymeric layers to confer bioactivity. Ultraviolet-visible spectroscopy demonstrated that both polymers were successfully synthesized. Fourier transform infrared imaging was used as an innovative way to analyze the layer interdiffusion in these coatings. Their morphology was analyzed by scanning electron microscopy and atomic force microscopy, and their wettability was evaluated by water contact angle measurements. Major differences were found in the structure and surface properties of the coatings assembled either by dip- or spin-coating. The spin-coated films onto glass were smoother, with a more homogeneous structure and lower interdiffusion of polyelectrolytes layers, when compared with the dip-coated ones. Furthermore, it was concluded that the intrinsic surface roughness of stainless steel and titanium substrates had great influence on the surface morphology and wettability of the coatings obtained from both layer-by-layer methodologies. |
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Layer-by-layer films based on catechol-modified polysaccharides produced by dip- and spin-coating onto different substratesBioactive glass NanoparticlesCatechol groupsDip-coatingLayer-by-layerSpin-coatingScience & TechnologyLayer-by-layer films based on chitosan and hyaluronic acid were produced by dip- and spin-coating techniques onto glass, 316L stainless steel and titanium. These natural polymers were modified with catechol groups, in order to build coatings with improved adhesive properties. Polymeric coatings were exclusively composed by both modified polymers whereas the multifunctional coatings combined an inorganic phase of bioactive glass nanoparticles with the polymeric layers to confer bioactivity. Ultraviolet-visible spectroscopy demonstrated that both polymers were successfully synthesized. Fourier transform infrared imaging was used as an innovative way to analyze the layer interdiffusion in these coatings. Their morphology was analyzed by scanning electron microscopy and atomic force microscopy, and their wettability was evaluated by water contact angle measurements. Major differences were found in the structure and surface properties of the coatings assembled either by dip- or spin-coating. The spin-coated films onto glass were smoother, with a more homogeneous structure and lower interdiffusion of polyelectrolytes layers, when compared with the dip-coated ones. Furthermore, it was concluded that the intrinsic surface roughness of stainless steel and titanium substrates had great influence on the surface morphology and wettability of the coatings obtained from both layer-by-layer methodologies.Portuguese Foundation for Science and Technology (FCT) and the European program FEDER/FEEI for the financial support through projects PTDC/BTM‐MAT/28123/2017 and PTDC/NAN‐MAT/31036/2017 and to the European Commission Horizon 2020 programme under the following grant agreements: 692333‐CHEM2NATURE, 668983‐FORECAST, and 739572‐THE DISCOVERIES CTR. The authors also acknowledge FCT for the financial support through the exploratory project MIT‐EXPL/BIO/0089/2017. This article has also been prepared with the support of REMIX Project, funded by the European Union's Horizon 2020 Research and Innovation programme under the Maria Sklodowska‐Curie grant agreement n. 778078WileyUniversidade do MinhoAlmeida, Ana C.Vale, A. CatarinaPires, R. A.Reis, R. L.Alves, N. M.20202020-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/1822/62549engAlmeida A. C., Vale A. C., Pires R. A., Reis R. L., Alves N. M. Layer-by-layer films based on catechol-modified polysaccharides produced by dip-and spin-coating onto different substrates., Journal of Biomedical Materials Research Part B: Applied Biomaterials, pp. 1-16, doi:10.1002/jbm.b.34489, 20191552-49731552-498110.1002/jbm.b.3448931518059https://onlinelibrary.wiley.com/doi/full/10.1002/jbm.b.34489info: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:RCAAP2023-07-21T12:14:58Zoai:repositorium.sdum.uminho.pt:1822/62549Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T19:07:20.698054Repositório 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 |
Layer-by-layer films based on catechol-modified polysaccharides produced by dip- and spin-coating onto different substrates |
title |
Layer-by-layer films based on catechol-modified polysaccharides produced by dip- and spin-coating onto different substrates |
spellingShingle |
Layer-by-layer films based on catechol-modified polysaccharides produced by dip- and spin-coating onto different substrates Almeida, Ana C. Bioactive glass Nanoparticles Catechol groups Dip-coating Layer-by-layer Spin-coating Science & Technology |
title_short |
Layer-by-layer films based on catechol-modified polysaccharides produced by dip- and spin-coating onto different substrates |
title_full |
Layer-by-layer films based on catechol-modified polysaccharides produced by dip- and spin-coating onto different substrates |
title_fullStr |
Layer-by-layer films based on catechol-modified polysaccharides produced by dip- and spin-coating onto different substrates |
title_full_unstemmed |
Layer-by-layer films based on catechol-modified polysaccharides produced by dip- and spin-coating onto different substrates |
title_sort |
Layer-by-layer films based on catechol-modified polysaccharides produced by dip- and spin-coating onto different substrates |
author |
Almeida, Ana C. |
author_facet |
Almeida, Ana C. Vale, A. Catarina Pires, R. A. Reis, R. L. Alves, N. M. |
author_role |
author |
author2 |
Vale, A. Catarina Pires, R. A. Reis, R. L. Alves, N. M. |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade do Minho |
dc.contributor.author.fl_str_mv |
Almeida, Ana C. Vale, A. Catarina Pires, R. A. Reis, R. L. Alves, N. M. |
dc.subject.por.fl_str_mv |
Bioactive glass Nanoparticles Catechol groups Dip-coating Layer-by-layer Spin-coating Science & Technology |
topic |
Bioactive glass Nanoparticles Catechol groups Dip-coating Layer-by-layer Spin-coating Science & Technology |
description |
Layer-by-layer films based on chitosan and hyaluronic acid were produced by dip- and spin-coating techniques onto glass, 316L stainless steel and titanium. These natural polymers were modified with catechol groups, in order to build coatings with improved adhesive properties. Polymeric coatings were exclusively composed by both modified polymers whereas the multifunctional coatings combined an inorganic phase of bioactive glass nanoparticles with the polymeric layers to confer bioactivity. Ultraviolet-visible spectroscopy demonstrated that both polymers were successfully synthesized. Fourier transform infrared imaging was used as an innovative way to analyze the layer interdiffusion in these coatings. Their morphology was analyzed by scanning electron microscopy and atomic force microscopy, and their wettability was evaluated by water contact angle measurements. Major differences were found in the structure and surface properties of the coatings assembled either by dip- or spin-coating. The spin-coated films onto glass were smoother, with a more homogeneous structure and lower interdiffusion of polyelectrolytes layers, when compared with the dip-coated ones. Furthermore, it was concluded that the intrinsic surface roughness of stainless steel and titanium substrates had great influence on the surface morphology and wettability of the coatings obtained from both layer-by-layer methodologies. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020 2020-01-01T00:00:00Z |
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 |
https://hdl.handle.net/1822/62549 |
url |
https://hdl.handle.net/1822/62549 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Almeida A. C., Vale A. C., Pires R. A., Reis R. L., Alves N. M. Layer-by-layer films based on catechol-modified polysaccharides produced by dip-and spin-coating onto different substrates., Journal of Biomedical Materials Research Part B: Applied Biomaterials, pp. 1-16, doi:10.1002/jbm.b.34489, 2019 1552-4973 1552-4981 10.1002/jbm.b.34489 31518059 https://onlinelibrary.wiley.com/doi/full/10.1002/jbm.b.34489 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Wiley |
publisher.none.fl_str_mv |
Wiley |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
institution |
RCAAP |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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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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