SYNTHESIS OF TIO2 NANOPARTICLES BY VARIOUS METHODOLOGIES AND EVALUATION OF THEIR ANTIBACTERIAL ACTIVITYC. NARENDHAR , B. ATMAJAH , V. VIJAYALAKSHMI , I. KIRUBHA SHANGARI , K.S. VIJAYA AND T.P. RAJESH
The synthesis of metal and metal oxide nanoparticles has attracted considerable attention in physical, chemical, biological, medical, optical, mechanical and engineering sciences where novel techniques are being developed to probe and manipulate single atoms and molecules. Metal and metal oxide nanoparticles have high surface area and high fraction which enhances the various properties such as antimicrobial, antibacterial, non-toxic, biocompatible. Among the various metal oxide nanoparticles, titanium dioxide nanoparticles have wide applications, due to their potential capability to act as an antibacterial agent. Titanium dioxide nanoparticle is a lustrous transition metal which has wide applications in medical field, military, industrial process and aerospace. Titanium dioxide in its nanosize, exhibits stronger corrosion resistance, stability, biocompatibility and antimicrobial activity. In the current study the titanium dioxide nanoparticles are synthesized and its antimicrobial activity is studied. The synthesis methods include biosynthesis, ball milling, and co precipitation methods. The synthesized particles and characterized using UV-Vis spectroscopy and DLS. The antimicrobial tests (Andersson et al., 2003; Titanium, 2006; Lide, 2005; Krebs, Robert, 2006; Donachie, 1988; Titanium, 2006).
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