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Silver-doped titania nanoparticles (see image) in specific concentrations show a higher efficacy than pure silver nanoparticles towards the inhibition and annihilation of E. coli bacteria. The doped titania particles are synthesized via a sol–gel method. Antibacterial studies of the silver-doped titania particles in both a liquid-nutrient growth medium and on agar plates are shown; this approach may offer a simple low-cost method for fabricating antibacterial surfaces.
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Thiel et al. (2007) studied this question.
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