Au/Ag Core–Shell/Zeolite Nanocomposites with Antimicrobial Activity
, Elzatahry AA, El-Din SA, Elsayed EA, Aldhayan DM, Wadaan MA, Al-Enizi AM, Al-Deyab SS . 2014
This report involves the production of Au/Ag core–shell nanoparticles that were incorporated into cubic aluminum zeolite ([Al]-ZSM-5) and their test towards the microbial activity. The produced nanocomposite was characterized by X-ray diffractometry (XRD) and high transmission electron microscopy (HRTEM). The formation of Au/Ag core–shell with particle size in the range of 10–13 nm has been confirmed by HRTEM. The antibacterial activities of the samples were studied for different Gram-positive and Gram-negative bacteria. Zeolite, with its well-defined structure and microporous cavities, functions well for core–shell nanoparticle hosting. The demonstrated antimicrobial activity of the fabricated nanocomposite renders them potentially useful as antibacterial masks.
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