Antibacterial activity of monolayer nanoparticulate Ag-N-(titanium-oxo-alkoxy) coatings

作者：Jia Zixian; Nadtochenko Viktor; Radzig Marina A; Khmel Inessa A; Zavilgelsky Gennadii; Azouani Rabah^*; Mielcarek Christine; Ben Amar Mounir; Traore Mamadou; Kanaev Andrei

来源：Mechanics and Industry, 2016, 17(5): 504.

DOI：10.1051/meca/2015108

• Ag-TiO2
• nanoparticles
• nanocoatings
• antibacterial activity

A comparative evaluation of the antibacterial effect of silver in the form of nanoparticles and Ag+ ions was performed. Silver nanoparticulate coatings of stable and reproducible morphology were prepared on monolayer size-selected titanium-oxo-alkoxy nanoparticles deposited on glass substrates. The coatings exhibit a strong antibacterial activity towards Escherichia coli K12 AB 1157 and suppress biofilms formation. This activity is mainly related to the Ag+ ions release into aqueous solutions in dark. The deposited silver mass similar to 1 mu g.cm(-2) is smaller compared to that of Ag+ ions and nanoparticles generally reported for inhibiting Escherichia coli. The synergetic effect of the deposited nanoparticles and Ag+ ions can be suggested.

• 出版日期2016