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Integration Of Synthetic And Biodegradable Polymers Through Green Electrospinning For The Development Of Heterogeneous Nanofiber Layers For Biomedical Applications
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Researchers used green electrospinning to create hybrid nanofiber layers combining synthetic polymers with biodegradable chitosan and cellulose acetate, enhanced with plant extract for antibacterial activity. The resulting fibers degraded more than 60% within 60 days, showed no eco-toxicity, and demonstrated strong antimicrobial performance, making them promising candidates for biomedical and environmental applications.
The growing environmental concern about non-biodegradable synthetic materials and solvent-based processing methods necessitates the development of sustainable nanofiber technology. Green electrospinning is a clean and ecologically friendly technology for producing materials that are both safe for the environment and practical. This study uses green electrospinning to create heterogeneous nanofiber layers by combining synthetic polymers (polyamide, polyvinyl alcohol, and polycaprolactone) with biodegradable polymers (chitosan and cellulose acetate). Aegle marmelos extract is used to boost antibacterial activity. Fourier Transform Infrared Spectroscopy (FTIR) and X-Ray Diffraction (XRD) are used to examine morphological, chemical, and mechanical properties, while biodegradability and eco-toxicological tests are used to determine environmental safety. Antimicrobial activity is tested against E. coli, S. aureus, and Candida albicans. The hybrid nanofibers have smaller diameters, more surface roughness, and enhanced structural homogeneity than synthetic fibers. Weight loss over 60 days exceeds 60% for hybrid fibers, very much above synthetic analogues. Eco-toxicity studies affirm the absence of leachates with any harmful effects, guaranteeing ecological safety. Antimicrobial tests show very large inhibition zones for hybrid fibers, confirming their improved antimicrobial performance. The synthesized nanofiber layers effectively combine mechanical strength, biodegradability, and antimicrobial activity without posing significant environmental risks. Their eco-friendly production and multi-functionality qualify them as potential candidates for air and water purification, pollution abatement, and eco-friendly biomedical applications. Future work should focus on large-scale production, life-cycle analysis, and the investigation of other natural bioactive agents.
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Cationic hyperbranched polymer dendrimers embedded in recycled polyamide nanofibers achieved over 99.8% filtration efficiency and strong antibacterial activity against E. coli and S. aureus without leaching active compounds, meeting FFP3 classification standards. Developing high-performance, metal-free filtration materials is directly relevant to capturing airborne micro- and nanoplastic particles while avoiding secondary chemical contamination.
Biodegradable Electrospun Nanofiber Membranes as Promising Candidates for the Development of Face Masks
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This review examines the development of biodegradable electrospun nanofiber membranes as alternatives to conventional plastic face masks. Researchers summarize progress on materials including silk fibroin, polylactic acid, chitosan, cellulose, and zein, which can achieve strong filtration performance. The study highlights that degradable nanofiber filters offer a promising solution to reduce the environmental burden of plastic pollution from disposable face masks.
Upscaling of Electrospinning Technology and the Application of Functionalized PVDF-HFP@TiO2 Electrospun Nanofibers for the Rapid Photocatalytic Deactivation of Bacteria on Advanced Face Masks
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Researchers developed electrospun nanofiber membranes made from PVDF-HFP polymer combined with titanium dioxide for use in advanced face masks with photocatalytic antibacterial properties. The study demonstrated that these functionalized nanofiber filters effectively deactivated bacteria while maintaining high filtration performance, offering a potential alternative to conventional mask materials.
Advances in electrospun nanofiber-based personal protective equipment for active filtration
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Most face masks today are made from plastic materials that don't break down, shedding microplastics into the environment long after you throw them away. This review rounds up research on a promising alternative: masks made from biodegradable nanofibers (created through a technique called electrospinning) that can filter out germs and pollutants just as well, while some versions even add natural antibacterial ingredients like essential oils or metal particles for extra protection. The takeaway: eco-friendlier masks that protect your health without leaving lasting plastic pollution behind may be on the horizon, though most of this work is still in the research stage rather than on store shelves.
Potential use of biodegradable polymers for facemask filter inserts produced using electrospinning methods
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Researchers evaluated electrospun nanofiber filter inserts made from biodegradable polymers — PVA, PBAT, and PLA — as sustainable replacements for petroleum-based disposable face masks. PVA inserts achieved the best performance with 66.7% filtration efficiency, demonstrating that smaller, more uniform fiber diameters improve both filtration and breathability in reusable cloth-based masks.
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