Evaluating the Cytotoxicity of Functionalized MWCNT and Microbial Biofilm Formation on PHBV Composites

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorTechnological Institute of Aeronautics-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorMontanheiro, Thaís Larissa do Amaral-
Autor(es): dc.creatorSchatkoski, Vanessa Modelski-
Autor(es): dc.creatorCamarena, Denisse Esther Mallaupoma-
Autor(es): dc.creatorde Oliveira, Thais Cardoso-
Autor(es): dc.creatorda Silva, Diego Morais-
Autor(es): dc.creatorVegian, Mariana Raquel da Cruz-
Autor(es): dc.creatorCatalani, Luiz Henrique-
Autor(es): dc.creatorKoga-Ito, Cristiane Yumi-
Autor(es): dc.creatorThim, Gilmar Patrocínio-
Data de aceite: dc.date.accessioned2025-08-21T21:16:15Z-
Data de disponibilização: dc.date.available2025-08-21T21:16:15Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-06-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/c10020033-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/301253-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/301253-
Descrição: dc.descriptionThis study focuses on the cytotoxic evaluation of functionalized multi-walled carbon nanotubes (MWCNT) and microbial biofilm formation on poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) nanocomposites incorporating MWCNTs functionalized with gamma-aminobutyric acid (GABA) and carboxyl groups. The materials were characterized for cytotoxicity to fibroblasts and antimicrobial effects against Escherichia coli, Staphylococcus aureus and Candida albicans. The functionalization of MWCNTs was performed through oxidation (CNT-Ox) and GABA attachment (CNT-GB). The PHBV/CNT nanocomposites were produced via melt mixing. All MWCNT suspensions showed non-toxic behaviors after 24 h of incubation (viability higher than 70%); however, prolonged incubation and higher concentrations led to increased cytotoxicity. The antibacterial potential of PHBV/CNT nanocomposites against S. aureus showed a reduction in biofilm formation of 64% for PHBV/CNT-GB and 20% for PHBV/CNT-Ox, compared to neat PHBV. Against C. albicans, no reduction was observed. The results indicate promising applications for PHBV/CNT nanocomposites in managing bacterial infections, with GABA-functionalized CNTs showing enhanced performance.-
Descrição: dc.descriptionPlasma and Processes Laboratory Technological Institute of Aeronautics, SP-
Descrição: dc.descriptionMechanical Engineering Department Technological Institute of Aeronautics, SP-
Descrição: dc.descriptionLaboratory of Polymeric Biomaterials Department of Fundamental Chemistry Institute of Chemistry University of São Paulo, SP-
Descrição: dc.descriptionDepartment of Clinical and Toxicological Analysis School of Pharmaceutical Sciences University of São Paulo, SP-
Descrição: dc.descriptionFundamental Sciences Division Technological Institute of Aeronautics, SP-
Descrição: dc.descriptionDepartment of Environmental Engineering and Sciences Oral Health Graduate Program São José dos Campos Institute of Science and Technology São Paulo State University (UNESP), SP-
Descrição: dc.descriptionDepartment of Environmental Engineering and Sciences Oral Health Graduate Program São José dos Campos Institute of Science and Technology São Paulo State University (UNESP), SP-
Idioma: dc.languageen-
Relação: dc.relationC-Journal of Carbon Research-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectbiofilm formation-
Palavras-chave: dc.subjectcarbon nanotube-
Palavras-chave: dc.subjectcytotoxicity-
Palavras-chave: dc.subjectnanocomposite-
Palavras-chave: dc.subjectpoly(3-hydroxybutyrate-co-3-hydroxyvalerate)-
Título: dc.titleEvaluating the Cytotoxicity of Functionalized MWCNT and Microbial Biofilm Formation on PHBV Composites-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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