Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Synthesis of Silver Modified Bioactive Glassy Materials with Antibacterial Properties via Facile and Low-Temperature Route

Isabel Gonzalo-Juan
* ,
Fangtong Xie
,
Malin Becker
,
Dilshat Tulyaganov
ORCID logo ,
Emanuel Ionescu
ORCID logo ,
Stefan Lauterbach
,
Francesca De Angelis Rigotti
ORCID logo ,
Andreas Fischer
,
Ralf Riedel
Version 1 : Received: 19 October 2020 / Approved: 20 October 2020 / Online: 20 October 2020 (08:34:22 CEST)

A peer-reviewed article of this Preprint also exists.

Gonzalo-Juan, I.; Xie, F.; Becker, M.; Tulyaganov, D.U.; Ionescu, E.; Lauterbach, S.; De Angelis Rigotti, F.; Fischer, A.; Riedel, R. Synthesis of Silver Modified Bioactive Glassy Materials with Antibacterial Properties via Facile and Low-Temperature Route. Materials 2020, 13, 5115. Gonzalo-Juan, I.; Xie, F.; Becker, M.; Tulyaganov, D.U.; Ionescu, E.; Lauterbach, S.; De Angelis Rigotti, F.; Fischer, A.; Riedel, R. Synthesis of Silver Modified Bioactive Glassy Materials with Antibacterial Properties via Facile and Low-Temperature Route. Materials 2020, 13, 5115.

Abstract

There is an increasing clinical need to develop novel biomaterials that combine regenerative and biocidal properties. In this work, we present the preparation of silver /silica based glassy bioactive (ABG) compositions via a facile, fast (20h), and low temperature (80 °C) approach and their characterization. The fabrication process included the synthesis of the bioactive glass (BG) particles followed by the surface modification of the bioactive glass with silver nanoparticles. The microstructural features of ABG samples before and after exposure to simulated body fluid (SBF) as well as their ion release behavior during SBF test were evaluated using infrared spectrometry (FTIR), ultraviolet- visible (UV-Vis) spectroscopy, X-ray diffraction (XRD), electron microscopies (TEM and SEM) and optical emission spectroscopy (OES). The antibacterial properties of the experimental compositions were tested against Escherichia coli (E. coli). The results indicated that the prepared ABG materials possess antibacterial activity against E. coli, which is directly correlated with the glass surface modification.

Keywords

Bioactive glass; antibacterial; silver; nanocomposites; E. coli; ion release

Subject

Chemistry and Materials Science, Biomaterials

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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