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

被引：3
作者：
Santos, Felipe A. [1 ]
Silva, Antonio C. [1 ]
Santos, Claudinei [2 ]
Simba, Bruno G. [3 ]
Bartolome, Jose F. [4 ]
Duran, Teresa [4 ]
Fernandez-Garcia, Elisa [5 ]
Rogero, Sizue O. [1 ]
Mello-Castanho, Sonia R. H. [1 ]
机构：
[1] IPEN CNEN, Ave Lineu Prestes 2242,CidadeUniv, BR-05508000 Sao Paulo, SP, Brazil
[2] UERJ FAT, Rod Presidente Dutra,Km 298, BR-27537000 Resende, RJ, Brazil
[3] UNESP FEG, Ave Ariberto Pereira Cunha 333, BR-12516410 Guaratingueta, SP, Brazil
[4] CSIC, ICMM, Sor Juana Ines de la Cruz 3, Madrid 28049, Spain
[5] CINN CSIC UO PA, Avd Vega 4-6, El Entrego 33940, Asturias, Spain
来源：
MATERIALS LETTERS | 2016年 / 183卷
基金：
巴西圣保罗研究基金会;
关键词：
Biocide glass; Antibacterial coating; Characterization; OXIDE;
D O I：
10.1016/j.matlet.2016.07.117
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, glasses based on SiO-CaO-Na2O system containing different Nb2O5 contents were developed. Glasses were melted at 1500 degrees 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 coil) at 37 degrees C under shaking. The composition with higher content of SiO2 and lower content of Nb2O5 presented higher biocide activity and the coefficient of thermal expansion indicate thermal compatibility with stainless steel 316 L and titanium alloys. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：277 / 280
页数：4
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