In recent years, the proliferation of resistant bacterial strains has posed a significant threat to public health, and microbial infections have emerged as a serious public health concern. Therefore, the development of alternative agents is needed to deal with the problems associated with these drug-resistant pathogens. Today, the field of nanotechnology has observed significant advances that have enabled the construction of antimicrobial agents with a wide range of activities. In this particular research, the structure and antibiofilm activity of a nanocomposite consisting of polyvinyl alcohol, pectin, and zinc oxide was investigated. This research aimed to fabricate a nanocomposite with optimal performance using the Taguchi method, which considered the effect of polyvinyl alcohol, pectin, and zinc oxide on three separate levels. A variety of imaging techniques, including X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy, X-ray surface elemental mapping, transmission electron microscopy, thermogravimetric analysis, and differential scanning calorimetry, all corroborated the presence of the desired nanocomposites with their respective structural properties. Evidence of strong antibacterial characteristics and total inhibition of Enterococcus faecalis biofilm development was found when the manufactured nanocomposite was subjected to ideal conditions. The introduced nanocomposite in this study can be used in different fields as a suitable antimicrobial agent.
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