2004•Chemical Engineering(China)Requires access
Study on the TiO_2-based nanocomposite antibacterial agent
Baozhang Li
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Abstract
Using Ti (SO_4)_2 and AgNO_3 as materials, TiO_2-based nanocomposite antibacterial agent was prepared through the precipitation method. The antibacterial performance tested by Shake Flask Test shows that the antibacterial agent has over 99% germ-killing efficiency for Escherichia coil, Staphylococus aureus and Candida albicans when the antibacterial mass concentration is 100 mg/L and the contact time is 60 min. In addition, the antibacterial mechanism of the nancomposite, including light-catalysed oxidation and contact reaction, was discussed.