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Biocide glass based on Nb2O5-SiO-CaO-Na2O system

AutorSantos, Felipe A.; Silva, A. C. da; Santos, Claudinei; Simba, Bruno G.; Bartolomé Gómez, José Florindo ; Duran, Teresa; Fernández-García, Elisa ; Rogero, Sizue O.; Mello-Castanho, S.
Palabras claveAntibacterial coating
Characterization
Biocide glass
Fecha de publicación2016
EditorElsevier
CitaciónMaterials Letters 183: 277-280 (2016)
ResumenIn this work, glasses based on SiO-CaO-NaO system containing different NbO contents were developed. Glasses were melted at 1500 °C and quenched in a metallic mould. Citotoxicity tests were performed using neutral red uptake methodology and indicated normal cell growth, which enables the use as biomaterial. Biocide activity was evaluated through glass incubation in bacterial suspension (Escherichia coli) at 37 °C under shaking. The composition with higher content of SiO and lower content of NbO presented higher biocide activity and the coefficient of thermal expansion indicate thermal compatibility with stainless steel 316 L and titanium alloys.
URIhttp://hdl.handle.net/10261/173162
Identificadoresdoi: 10.1016/j.matlet.2016.07.117
e-issn: 1873-4979
issn: 0167-577X
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