초록 |
This study was conducted to develop novel antimicrobial nano-composites, with the aim of fully utilizing the antitoxic properties of multi-walled carbon nanotubes (MWCNTs), copper (Cu) and zinc oxide (ZnO). Cu doped-MWCNTs with ZnO addition were prepared and evaluated for their potential application as an antimicrobial material for synchronous concentrating and inactivating pathogenic bacteria. Transmission electron microscopy (TEM), scanning electron microscopy (SEM), and X-ray energy dispersive spectroscopy (EDS) were used to characterize the ZnO/CuO-MWCNTs. Escherichia coli (E.coil) was employed as the target bacterium. Comparing with the raw and the purified MWCNTs (p-MWCNTs), which have been reported to possess antibacterial activity towards E.coil, ZnO/CuO-MWCNTs exhibited stronger antibacterial ability. The deposited ZnO was suggested to play an important role in the bactericidal action of ZnO/CuO-MWCNTs. |