title: In-situ sonosynthesis of nano N-doped ZnO on wool producing fabric with photo and bio activities, cell viability and enhanced mechanical properties.
abstract: Here, a simple processing route is introduced for preparation of N-doped nano structure ZnO at 75-80°C using in-situ sonosynthesis method through hydrolysis of zinc acetate at pH≈9-10 adjusting with ammonia. Synthesis and fabrication of nano N-doped ZnO were carried out on the wool fabric through impregnation of the fabric in ultrasound bath using different concentrations of zinc acetate followed by curing. The antibacterial and antifungal activities of the treated fabrics were assessed against two common pathogenic bacteria including Escherichia coli, Staphylococcus aureus and the diploid fungus namely Candida albicans. The photo-catalytic activity of nano N-doped ZnO particles on the wool fabric was determined by degradation of Methylene Blue under daylight irradiation. Increasing zinc acetate and prolonged sonication time led to higher photo-catalytic activity as more dye stain degraded from the stained treated fabric under daylight. Higher photo-catalytic activity was observed on the nano N-doped ZnO sonotreated wool fabric having more hydrophilicity. Finally, the treatment indicated no negative effect on the fabric safety while reduced alkaline solubility and yellowness even enhanced the fabric tensile strength. The response surface methodology was also utilized to optimize the wool fabric treatment conditions.
authors.affiliation: Department of Textile Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran.
authors.forename: Amir
authors.initials: A
authors.lastname: Behzadnia
authors.affiliation: Department of Textile Engineering, Functional Fibrous Structures & Environmental Enhancement (FFSEE), Amirkabir University, Tehran, Iran. Electronic address: tex5mm@aut.ac.ir.
authors.forename: Majid
authors.initials: M
authors.lastname: Montazer
authors.affiliation: Skin Research Centre, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
authors.forename: Mahnaz Mahmoudi
authors.initials: MM
authors.lastname: Rad
mesh_terms: D065966:Absorption, Physicochemical; D000818:Animals; D000890:Anti-Infective Agents / Q000138:chemical synthesis / Q000737:chemistry / Q000494:pharmacology / Q000633:toxicity; D002176:Candida albicans / Q000187:drug effects; D002470:Cell Survival / Q000187:drug effects; D060326:Chemistry Techniques, Synthetic; D004926:Escherichia coli / Q000187:drug effects; D006801:Humans; D008826:Microbial Sensitivity Tests; D008958:Models, Molecular; D008968:Molecular Conformation; D053758:Nanoparticles / Q000737:chemistry*; D009584:Nitrogen / Q000737:chemistry; D010782:Photolysis; D012995:Solubility; D013211:Staphylococcus aureus / Q000187:drug effects; D013718:Tensile Strength; D000069453:Ultrasonic Waves; D014867:Water / Q000737:chemistry; D014935:Wool / Q000737:chemistry*; D015034:Zinc Oxide / Q000138:chemical synthesis / Q000737:chemistry* / Q000494:pharmacology* / Q000633:toxicity
chemical_list: D000890:Anti-Infective Agents; D014867:Water; D009584:Nitrogen; D015034:Zinc Oxide
keywords: Antibacterial and antifungal properties; Cell viability; In-situ sonosynthesis; Nano N-doped ZnO; Wool fabric