tailieunhanh - Synthesis and characterization of bioglass 45s doped with Ag

The presence of Ag element was controled by EDX analysis. ‘‘In vitro’’ of synthesized glass was effectuated by soaking of glass powder in SBF solution. EDX result indicated that silver was released when immersing derivative bioglass in SBF solution and silver is an antibacterial agent. XRD and SEM confirmed the bioactivity of glass 45S-Ag by the apatite formation on its surface. | VNU Journal of Science: Natural Sciences and Technology, Vol. 34, No. 2 (2018) 9-15 Synthesis and Characterization of Bioglass 45S Doped with Ag Bui Xuan Vuong* Sai Gon University, 273 An Duong Vuong Road, Ward 3, District 5, Ho Chi Minh City Received 08 October 2017 Revised 16 March 2018; Accepted 16 March 2018 Abstract: The bioglass 45S doped with Ag (45S-Ag) was successful synthesized by melting method. The influence of doping Ag on the glass matrix was highlighted by DTA method. XRD analysis confirmed the amorphous structure of synthetic glass. The presence of Ag element was controled by EDX analysis. ‘‘In vitro’’ of synthesized glass was effectuated by soaking of glass powder in SBF solution. EDX result indicated that silver was released when immersing derivative bioglass in SBF solution and silver is an antibacterial agent. XRD and SEM confirmed the bioactivity of glass 45S-Ag by the apatite formation on its surface. Keywords: Bioglass, bioactivity, Ag, 45S-Ag, melting, SBF. 1. Introduction architecture is repaired and reconstructed [1, 2]. After the L. L. Hench’s discovery, many derivative bioglasses have been elaborated and estimated. That has opened up potential applications of bioglass material. In recent years, the scientists are looking towards developing new bioactive materials doped with the silver element. In these biomaterials, the silver is considered as a bioactive agent. It plays an important role to limit the bacterial activity on biomaterials, resulting in the improvement of biological properties [3, 4]. This work aim to synthesize the bioglass 45S doped with Ag by melting method. The percentage of Ag2O (0,1 wt%) was incorporated into the glass (synthetic glass noted 45S-Ag). Some analysis techniques such as DTA, XRD, EDX, and SEM were used to investigate the synthesized biomaterial. The first bioglass was discovered by L. L. Hench. It named bioglass 45S with chemical composition (wt%) and synthesized by .