Abstract
In this study, the effect of simultaneous substitution of titanium (Ti) and lithium (Li) to sol-gel derived 58S silicate BGs (60SiO2−(31−X)CaO−4P2O5−5TiO2−XLi2O, X=0, 3, 5, 8, 10 mol%) was investigated. X-ray Diffraction (XRD) analysis, Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM) tests were used to examining synthesized BGs. Alkaline phosphate (ALP) activity, 3-(4, 5dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) assay, and antibacterial studies were performed to study in vitro biological properties. Results revealed that the TL-BG contain fixed 5 mol% TiO2 and 5 mol% Li2O(TL-5) showed better in vitro bioactivity against other samples while increasing the Li2O up to 10 mol% led to a sharp decrease in hydroxyapatite growth rate and grains size. Altogether, the TL-5 was suggested as an optimal candidate for the further in vivo evaluations due to its better in vitro bioactivity, higher biocompatibility, antibacterial properties, maximum cell proliferation, and ALP activity.
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