Experimental Silica-based Bioceramic Composite Added with Nano-sized Bovine Hydroxyapatite: Synthesis and Characterization

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Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorFerrairo, Brunna Mota-
Autor(es): dc.creatorMosquim, Victor-
Autor(es): dc.creatorde Azevedo-Silva, Lucas José-
Autor(es): dc.creatorPires, Luara Aline-
Autor(es): dc.creatorPadovini, David Santos Souza-
Autor(es): dc.creatorMagdalena, Aroldo Geraldo-
Autor(es): dc.creatorFortulan, Carlos Alberto-
Autor(es): dc.creatorLisboa-Filho, Paulo Noronha-
Autor(es): dc.creatorRubo, José Henrique-
Autor(es): dc.creatorBorges, Ana Flávia Sanches-
Data de aceite: dc.date.accessioned2025-08-21T21:28:53Z-
Data de disponibilização: dc.date.available2025-08-21T21:28:53Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-10-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s12633-023-02563-8-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/303796-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/303796-
Descrição: dc.descriptionPurpose: To produce an experimental dense silica-based bioceramic composite added with nano-sized hydroxyapatite (HA) for biomedical application and physicochemical/ microstructurally characterize varying the firing temperature and the amount of binder, polyvinyl butyral (PVB). Methods: Fumed SiO2 and nano-sized HA powder from bovine bone were ball milled aiming the mixture of powders. Groups were divided into HA (3, 5 and 10%), and PVB (1.2 and 2.4 wt.%) addition, and sintering process (1100, 1200 and 1300 °C with a 4 h plateau). The materials were characterized by X-ray Diffraction (XRD), Fourier Transform Infrared (FTIR) and Scanning Electron Microscopy (SEM) with Energy Dispersive X-ray Spectroscopy analysis (EDX). Results: The group fired at 1200 °C presented potentialized chemical bonds without the degradation of HA at XRD profile, based on its microstructural evolution. FTIR spectra shows the degradation of HA, with an increase of CO2 band and a loss of the calcium-phosphate bands as the temperature increases. The binder concentration showed no chemical changes in the material. 2.4 wt.% of PVB addition resulted in optimized compaction and a lower inclusion of pores or cracks, suggested by SEM images. Conclusion: This study suggests that the match composition of SiO2 matrix with 5% of HA and 2.4 wt.% of PVB, sintered at 1200 °C, exhibit potentially superior properties to biomaterial applications.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionDepartment of Prosthodontics and Periodontics Bauru School of Dentistry University of São Paulo, SP-
Descrição: dc.descriptionDepartment of Operative Dentistry Endodontics and Dental Materials Bauru School of Dentistry University of São Paulo, Alameda Dr. Octávio Pinheiro Brisolla, 9-75, Vila Universitária, São Paulo-
Descrição: dc.descriptionDepartment of Chemistry School of Sciences São Paulo State University, SP-
Descrição: dc.descriptionDepartment of Mechanical Engineering São Carlos School of Engineering University of São Paulo, SP-
Descrição: dc.descriptionDepartment of Physics School of Sciences São Paulo State University, SP-
Descrição: dc.descriptionDepartment of Chemistry School of Sciences São Paulo State University, SP-
Descrição: dc.descriptionDepartment of Physics School of Sciences São Paulo State University, SP-
Descrição: dc.descriptionCAPES: 001-
Descrição: dc.descriptionFAPESP: 2018/23639-0-
Formato: dc.format7171-7181-
Idioma: dc.languageen-
Relação: dc.relationSilicon-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCeramic material-
Palavras-chave: dc.subjectComposite ceramics-
Palavras-chave: dc.subjectHydroxyapatite-
Palavras-chave: dc.subjectNanoparticles-
Palavras-chave: dc.subjectNanostructured materials-
Palavras-chave: dc.subjectSilica-
Título: dc.titleExperimental Silica-based Bioceramic Composite Added with Nano-sized Bovine Hydroxyapatite: Synthesis and Characterization-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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