Autor(es)

Sahm, Beatriz Danieletto ; Ferreira, Izabela ; Carvalho-Silva, Joao Marcos ; Teixeira, Ana Beatriz Vilela ; Teixeira, Jean Valdir Uchoa ; Lisboa-Filho, Paulonoronha ; Alves, Oswaldo Luiz ; dos Ris, Andrea Candido

• Tipo de documento: Artigo Científico
• Fonte: HELIYON; v. 10, n. 11, p. 14-pg., 2024-06-15.

Resumo

This study aimed to incorporate beta-AgVO3 and rGO into self-curing (SC) and heat-curing (HC) acrylic resins and to evaluate their physicochemical, mechanical, and antimicrobial properties while correlating them with the characterized material structure. Acrylic resin samples were prepared at 0 % (control), 0.5 %, 1 %, and 3 % for both nanoparticles. The microstructural characterization was assessed by scanning electron microscopy (SEM) (n = 1) and energy dispersive X-ray spectroscopy (EDS) (n = 1). The physicochemical and mechanical tests included flexural strength (n = 10), Knoop hardness (n = 10), roughness (n = 10), wettability (n = 10), sorption (n = 10), solubility (n = 10), porosity (n = 10), and color evaluation (n = 10). The microbiological evaluation was performed by counting colony-forming units (CFU/mL) and cell viability (n = 8). The results showed that the beta-AgVO3 samples showed lower counts of Candida albicans, Pseudomonas aeruginosa, and Streptococcus mutans due to their promising physicochemical properties. The mechanical properties were maintained with the addition of beta-AgVO3. The rGO samples showed higher counts of microorganisms due to the increase in physicochemical properties. It can be concluded that the incorporation of beta-AgVO3 into acrylic resins could be an alternative to improve the antimicrobial efficacy and performance of the material. (AU)

• Processo FAPESP: 22/01344-4 - Correlação estrutura-propriedades e efeito antimicrobiano da adição de semicondutores em resinas acrílicas
• Beneficiário: Beatriz Danieletto Sahm
• Modalidade de apoio: Bolsas no Brasil - Mestrado