Abstract
Sodium montmorillonite, from purified Romanian bentonite, and quasiamorphous TiO2 aerogel were used for obtaining binary hybrids by solution intercalation method. In the nanohybrid, TiO2 results in crystalline-anatase form. The morphostructural properties of the TiO2 modified layered silicate were studied by X-Ray Diffraction, FTIR Spectroscopy, High Resolution Transmission Electron Microscopy and Thermogravimetric Analysis. By uniform dispersing of binary nanohybrid in a collagen matrix, nanocomposite with intercalated lamellar structure was obtained. The basal spacing (d001) increases from 14.8 A˚ in the binary hybrid to 18 Å in the nanocomposite with collagen. Applications in regenerative medicine of hard tissue are foreseen.
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