Multifunctional Chitosan/Gold Nanoparticles Coatings for Biomedical Textiles

Gold nanoparticles (AuNPs), chemically synthesized by citrate reduction, were for the first time immobilized onto chitosan-treated soybean knitted fabric via exhaustion method. AuNPs were successfully produced in the form of highly spherical, moderated polydisperse, stable structures. Their average...

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Principais autores: Silva, Iris Oliveira da, Ladchumananandasivam, Rasiah, Nascimento, José Heriberto Oliveira do, Silva, Késia Karina de Oliveira Souto, Oliveira, Fernando Ribeiro, Souto, António P., Felgueiras, Helena P., Zille, Andrea
Formato: article
Idioma:English
Publicado em: Multidisciplinary Digital Publishing Institute - MDPI
Assuntos:
Multifunctional textiles
Biodegradable soybean fibres
Chitosan
Gold nanoparticles;
UV-light protection
Antimicrobial
Endereço do item:https://repositorio.ufrn.br/handle/123456789/45126
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id ri-123456789-45126
record_format dspace
institution Repositório Institucional
collection RI - UFRN
language English
topic Multifunctional textiles
Biodegradable soybean fibres
Chitosan
Gold nanoparticles;
UV-light protection
Antimicrobial
spellingShingle Multifunctional textiles
Biodegradable soybean fibres
Chitosan
Gold nanoparticles;
UV-light protection
Antimicrobial
Silva, Iris Oliveira da
Ladchumananandasivam, Rasiah
Nascimento, José Heriberto Oliveira do
Silva, Késia Karina de Oliveira Souto
Oliveira, Fernando Ribeiro
Souto, António P.
Felgueiras, Helena P.
Zille, Andrea
Multifunctional Chitosan/Gold Nanoparticles Coatings for Biomedical Textiles
description Gold nanoparticles (AuNPs), chemically synthesized by citrate reduction, were for the first time immobilized onto chitosan-treated soybean knitted fabric via exhaustion method. AuNPs were successfully produced in the form of highly spherical, moderated polydisperse, stable structures. Their average size was estimated at ≈35 nm. Successful immobilization of chitosan and AuNPs were confirmed by alterations in the fabric’s spectrophotometric reflectance spectrum and by detection of nitrogen and gold, non-conjugated C=O stretching vibrations of carbonyl functional groups and residual N-acetyl groups characteristic bands by X-ray photoelectron spectroscopy (XPS) and Fourier-Transform Infrared Spectroscopy (FTIR) analysis. XPS analysis confirms the strong binding of AuNPs on the chitosan matrix. The fabrics’ thermal stability increased with the introduction of both chitosan and AuNPs. Coated fabrics revealed an ultraviolet protection factor (UPF) of +50, which established their effectiveness in ultraviolet (UV) radiation shielding. They were also found to resist up to 5 washing cycles with low loss of immobilized AuNPs. Compared with AuNPs or chitosan alone, the combined functionalized coating on soy fabrics demonstrated an improved antimicrobial effect by reducing Staphylococcus aureus adhesion (99.94%) and Escherichia coli (96.26%). Overall, the engineered fabrics were confirmed as multifunctional, displaying attractive optical properties, UV-light protection and important antimicrobial features, that increase their interest for potential biomedical applications
format article
author Silva, Iris Oliveira da
Ladchumananandasivam, Rasiah
Nascimento, José Heriberto Oliveira do
Silva, Késia Karina de Oliveira Souto
Oliveira, Fernando Ribeiro
Souto, António P.
Felgueiras, Helena P.
Zille, Andrea
author_facet Silva, Iris Oliveira da
Ladchumananandasivam, Rasiah
Nascimento, José Heriberto Oliveira do
Silva, Késia Karina de Oliveira Souto
Oliveira, Fernando Ribeiro
Souto, António P.
Felgueiras, Helena P.
Zille, Andrea
author_sort Silva, Iris Oliveira da
title Multifunctional Chitosan/Gold Nanoparticles Coatings for Biomedical Textiles
title_short Multifunctional Chitosan/Gold Nanoparticles Coatings for Biomedical Textiles
title_full Multifunctional Chitosan/Gold Nanoparticles Coatings for Biomedical Textiles
title_fullStr Multifunctional Chitosan/Gold Nanoparticles Coatings for Biomedical Textiles
title_full_unstemmed Multifunctional Chitosan/Gold Nanoparticles Coatings for Biomedical Textiles
title_sort multifunctional chitosan/gold nanoparticles coatings for biomedical textiles
publisher Multidisciplinary Digital Publishing Institute - MDPI
publishDate 2021
url https://repositorio.ufrn.br/handle/123456789/45126
work_keys_str_mv AT silvairisoliveirada multifunctionalchitosangoldnanoparticlescoatingsforbiomedicaltextiles
AT ladchumananandasivamrasiah multifunctionalchitosangoldnanoparticlescoatingsforbiomedicaltextiles
AT nascimentojoseheribertooliveirado multifunctionalchitosangoldnanoparticlescoatingsforbiomedicaltextiles
AT silvakesiakarinadeoliveirasouto multifunctionalchitosangoldnanoparticlescoatingsforbiomedicaltextiles
AT oliveirafernandoribeiro multifunctionalchitosangoldnanoparticlescoatingsforbiomedicaltextiles
AT soutoantoniop multifunctionalchitosangoldnanoparticlescoatingsforbiomedicaltextiles
AT felgueirashelenap multifunctionalchitosangoldnanoparticlescoatingsforbiomedicaltextiles
AT zilleandrea multifunctionalchitosangoldnanoparticlescoatingsforbiomedicaltextiles
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spelling ri-123456789-451262021-12-01T19:59:00Z Multifunctional Chitosan/Gold Nanoparticles Coatings for Biomedical Textiles Silva, Iris Oliveira da Ladchumananandasivam, Rasiah Nascimento, José Heriberto Oliveira do Silva, Késia Karina de Oliveira Souto Oliveira, Fernando Ribeiro Souto, António P. Felgueiras, Helena P. Zille, Andrea Multifunctional textiles Biodegradable soybean fibres Chitosan Gold nanoparticles; UV-light protection Antimicrobial Gold nanoparticles (AuNPs), chemically synthesized by citrate reduction, were for the first time immobilized onto chitosan-treated soybean knitted fabric via exhaustion method. AuNPs were successfully produced in the form of highly spherical, moderated polydisperse, stable structures. Their average size was estimated at ≈35 nm. Successful immobilization of chitosan and AuNPs were confirmed by alterations in the fabric’s spectrophotometric reflectance spectrum and by detection of nitrogen and gold, non-conjugated C=O stretching vibrations of carbonyl functional groups and residual N-acetyl groups characteristic bands by X-ray photoelectron spectroscopy (XPS) and Fourier-Transform Infrared Spectroscopy (FTIR) analysis. XPS analysis confirms the strong binding of AuNPs on the chitosan matrix. The fabrics’ thermal stability increased with the introduction of both chitosan and AuNPs. Coated fabrics revealed an ultraviolet protection factor (UPF) of +50, which established their effectiveness in ultraviolet (UV) radiation shielding. They were also found to resist up to 5 washing cycles with low loss of immobilized AuNPs. Compared with AuNPs or chitosan alone, the combined functionalized coating on soy fabrics demonstrated an improved antimicrobial effect by reducing Staphylococcus aureus adhesion (99.94%) and Escherichia coli (96.26%). Overall, the engineered fabrics were confirmed as multifunctional, displaying attractive optical properties, UV-light protection and important antimicrobial features, that increase their interest for potential biomedical applications Gold nanoparticles (AuNPs), chemically synthesized by citrate reduction, were for the first time immobilized onto chitosan-treated soybean knitted fabric via exhaustion method. AuNPs were successfully produced in the form of highly spherical, moderated polydisperse, stable structures. Their average size was estimated at ≈35 nm. Successful immobilization of chitosan and AuNPs were confirmed by alterations in the fabric’s spectrophotometric reflectance spectrum and by detection of nitrogen and gold, non-conjugated C=O stretching vibrations of carbonyl functional groups and residual N-acetyl groups characteristic bands by X-ray photoelectron spectroscopy (XPS) and Fourier-Transform Infrared Spectroscopy (FTIR) analysis. XPS analysis confirms the strong binding of AuNPs on the chitosan matrix. The fabrics’ thermal stability increased with the introduction of both chitosan and AuNPs. Coated fabrics revealed an ultraviolet protection factor (UPF) of +50, which established their effectiveness in ultraviolet (UV) radiation shielding. They were also found to resist up to 5 washing cycles with low loss of immobilized AuNPs. Compared with AuNPs or chitosan alone, the combined functionalized coating on soy fabrics demonstrated an improved antimicrobial effect by reducing Staphylococcus aureus adhesion (99.94%) and Escherichia coli (96.26%). Overall, the engineered fabrics were confirmed as multifunctional, displaying attractive optical properties, UV-light protection and important antimicrobial features, that increase their interest for potential biomedical applications 2021-12-01T19:57:38Z 2021-12-01T19:57:38Z 2019-07-24 article SILVA, Iris Oliveira da; LADCHUMANANANDASIVAM, Rasiah; NASCIMENTO, José Heriberto Oliveira do; SILVA, Késia Karina de Oliveira Souto; OLIVEIRA, Fernando Ribeiro; SOUTO, António P.; FELGUEIRAS, Helena P.; ZILLE, Andrea. Multifunctional Chitosan/Gold Nanoparticles Coatings for Biomedical Textiles. Nanomaterials, [S.l.], v. 9, n. 8, p. 1064-1064, 24 jul. 2019. MDPI AG. Disponível em: https://www.mdpi.com/2079-4991/9/8/1064. Acesso em: 17 out. 2021. DOI: https://doi.org/10.3390/nano9081064 2079-4991 https://repositorio.ufrn.br/handle/123456789/45126 en Attribution 3.0 Brazil http://creativecommons.org/licenses/by/3.0/br/ application/pdf Multidisciplinary Digital Publishing Institute - MDPI

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