Abstract
TiO2- Ag nanocomposites with three different percentages (molar percentage) of Ag (5 mol%, 8 mol%, and 15 mol%) have been synthesized by mechanical alloying of TiO2 and Ag powders for 3 h. The bactericidal activities of these three different nanocomposites have been compared by using an agar cup assay against both Gram-positive and Gram-negative bacteria. The antibacterial study confirmed that the nanocomposite with 15 mol% Ag has the best antibacterial activity against both types of bacteria (Gram-negative and Gram-positive bacteria). This nanocomposite with the best antibacterial activity has been characterized by analyzing X-ray diffraction (XRD) patterns, FESEM images, and EDS spectrum. This novel strategy proposes a new route to synthesizing a novel antibacterial agent with minimal side effects in a simple, cost-effective, and facile method.
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