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Surface characteristics of pure titanium loaded graphene oxide: effect on bacteria adhesion and osteoblast structure / 华西口腔医学杂志
West China Journal of Stomatology ; (6): 366-371, 2019.
Artigo em Chinês | WPRIM | ID: wpr-772645
ABSTRACT
OBJECTIVE@#To evaluate the process characterization of graphene oxide loaded on pure titanium surface and effect on the biological properties of Staphylococcus aureus and osteoblasts.@*METHODS@#Graphene oxide at four concentrations (20, 50, 80, and 100 µg·mL⁻¹) was loaded on the pure titanium surface via electroplating, and the morphology, properties, and hydrophilic properties were measured with a field emission scanning electron microscope, micro Raman spectrometer, and contact angle tester, respectively. In addition, Staphylococcus aureus and osteoblasts were used as models and cultured with pure titanium-graphene oxide. Then, field-emission scanning electron microscopy and laser confocal microscopy were utilized to observe the changes in the amount of bacteria and osteoblast morphology and structure, respectively.@*RESULTS@#Graphene oxide at the four concentrations was successfully loaded on pure titanium surface via electroplating. It improved the hydrophilic properties of pure titanium surface, which benefitted the adhesion and growth of Staphylococcus aureus and changed the morphology and structure of the osteoblasts.@*CONCLUSIONS@#The pure titanium-graphene oxide composite has no antibacterial properties and has good biocompatibility.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Osteoblastos / Óxidos / Propriedades de Superfície / Titânio / Aderência Bacteriana / Microscopia Eletrônica de Varredura / Adesão Celular / Grafite Tipo de estudo: Estudo prognóstico Idioma: Chinês Revista: West China Journal of Stomatology Ano de publicação: 2019 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Osteoblastos / Óxidos / Propriedades de Superfície / Titânio / Aderência Bacteriana / Microscopia Eletrônica de Varredura / Adesão Celular / Grafite Tipo de estudo: Estudo prognóstico Idioma: Chinês Revista: West China Journal of Stomatology Ano de publicação: 2019 Tipo de documento: Artigo