Sol-Gel synthesis, thermal, spectroscopic and morphological characterization of bioactive titania

Titanium dioxide (TiO2) is frequently used in the industrial and environmental applications for its photocatalytic activity, chemical stability and anticorrosive properties. It has been reported in the literature that titanium biomaterials’ response and properties can be affected by the synthesis technique. In this work, the sol-gel method was used to synthesize the TiO2 particles [1,2]. Regarding the chemical characterization, Fourier transform infrared (FTIR) spectroscopy and thermogravimetry (TG) were used to evaluate the chemical structure of the particles, while SEM and BET measurements were used to determine the morphology and nanoparticles size of the prepared TiO2 particles. In particular, the aim of this study was to evaluate the use of these materials in the prevention of the infection after the implantation. The antibacterial activity of TiO2 particles was assessed using Escherichia coli. Finally, in order to evaluate the biological properties, the TiO2 particles were soaked in simulated body fluid (SBF) for 21 days to observe their bioactivity. [1] Catauro M, Tranquillo E, Dal Poggetto G, Pasquali M, Dell'Era A, Ciprioti Vecchio S. Influence of the heat treatment on the particles size and on the crystalline phase of TiO2 synthesized by the sol-gel method. Materials 11, (2018), 2364. [2] Michelina Catauro, Giovanni Dal Poggetto, Roberta Risoluti, Stefano Vecchio Ciprioti, Thermal, antimicrobial characterization of bioactive titania by Sol-Gel synthesis. J. Therm. Anal. Calorim.,