Preparation, Characterization and Antibacterial Activity Investigation of Hydrocolloids Based Irish Moss/ZnO/CuO Bio-based Nanocomposite Films
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Natural hydrocolloids Irish moss (IM) based ternary bio-based nanocomposite films (BBNCFs), reinforced with ZnO nanorods and foliated CuO were prepared through co-precipitation method. The morphologies and structures of the nanocomposite were characterized by Fourier Transform Infrared Spectroscopy analysis, Scanning Electron Microscopy, Energy-Dispersive X-Ray Spectroscopy and X-Ray Diffraction. Their antibacterial activities were studied using Gram-negative Escherichia coli (E. coli, PTCC 1330) by the plate count method. The nanocomposite films exhibited characteristic antibacterial activity. The synergistic outcome of combined use of more than one antibacterial agent is reflected by enhanced antibacterial activity of the nanocomposite. These IM/ZnO/CuO films could be used as effective bactericidal agents for various industries, particularly the food industry.
KeywordsBio-based nanocomposite films Hydrocolloids Antibacterial activity Zinc oxide Copper oxide
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