Khadija El Kalaaoui, Aicha Boukhriss, Oumaima Bili, Mohamed Ait Chaoui, Sanaa Majid, Mohamed El Hajaji, Said Gmouh
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Hybrid Polyvinyl Alcohol-Silica Antibacterial Nanofiber Fabricated by Combined Sol-Gel and Electrospinning Techniques
Organic-inorganic hybrids are valuable due to their combined properties. This study fabricated polymer-silica hybrid nanofibers with antibacterial properties using silica and polyvinyl alcohol (PVA) through sol-gel and electrospinning methods. The nanofibers, incorporating chloropropyltriethoxysilane (CPTS) and Benzalkonium chloride (BAC), were analyzed for their morphology, chemical composition, mechanical properties, thermal properties, and antibacterial activity. Optimal characteristics in fibrous structure, mechanical strength, and antibacterial efficiency were achieved with a blended 8% wt PVA. Sample H, containing 1% BAC, showed significant bacterial growth inhibition (20 mm for Staphylococcus aureus and 9.2 mm for Escherichia coli), along with enhanced thermal stability (260.41 °C) and tensile strength (12.4 MPa). This study demonstrates the potential of electrospinning in creating advanced hybrid nanofibers with diverse applications in the medical field.
期刊介绍：
The primary objective of the Journal of Sol-Gel Science and Technology (JSST), the official journal of the International Sol-Gel Society, is to provide an international forum for the dissemination of scientific, technological, and general knowledge about materials processed by chemical nanotechnologies known as the "sol-gel" process. The materials of interest include gels, gel-derived glasses, ceramics in form of nano- and micro-powders, bulk, fibres, thin films and coatings as well as more recent materials such as hybrid organic-inorganic materials and composites. Such materials exhibit a wide range of optical, electronic, magnetic, chemical, environmental, and biomedical properties and functionalities. Methods for producing sol-gel-derived materials and the industrial uses of these materials are also of great interest.
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