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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Dumée, Ludo
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Topics
Publications (9/9 displayed)
- 2019Wrinkled silica doped electrospun nano-fiber membranes with engineered roughness for advanced aerosol air filtrationcitations
- 2019Catalytic electrospun nano-composite membranes for virus capture and remediationcitations
- 2019One-pot synthesis of catalytic molybdenum based nanocomposite nano-fiber membranes for aerosol air remediationcitations
- 2019Mixed matrix Poly(vinyl alcohol)-Copper nanofibrous anti-microbial air-microfilterscitations
- 2018The growth of high density network of MOF nano-crystals across macroporous metal substrates - solvothermal synthesis versus rapid thermal depositioncitations
- 2017Inorganic nanoparticles/MOFs hybrid membrane reactors for CO2 separation and conversion
- 2016Exploring plasma technique for tuning surface energy of thin film composite membranes
- 2016Enhanced visible light absorption of titania nanotubes vie non-metal atom RF plasma doping
- 2016Assessing temporal and physical stability of functional groups introduced by surface plasma treatments across the outer shells of carbon nanotubes
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article
Mixed matrix Poly(vinyl alcohol)-Copper nanofibrous anti-microbial air-microfilters
Abstract
Membranes decorated with biocide materials have shown great potential for air sanitization, but can suffer from biocide agent leaching by dissolution in water. In order to tackle the diffusion of biocide metal ions from the fiber matrix, composite nanofiber membranes of poly(vinyl alcohol) (PVA) cross-linked with copper (II) acetate have been successfully engineered via sol-gel electrospinning, providing a stable mean for air bactericidal microfiltration. The novelty lies in the bonding strength and homogeneous distribution of the fiber surface biocide, where biocide metals are incorporated as a sol within a polymer matrix. The electrospinning of bead-free composite nanofibers offered over 99.5 % filtration efficiency for PM2.5, with a theoretical permeance above 98 %. The PVA/Copper nanofiber membranes also showed satisfying anti-bacterial performance against gram negative Escherichia Coli within 24 h, making of them promising materials for the remediation of airborne bacteria. The mechanical and chemical stability of the engineered nanocomposite electrospun nanofiber webs, added to the natural biodegradability of the materials, offer ideal low cost sanitary solutions to applications in air disinfection both indoor and outdoor fitting a circular economy strategy where advanced materials are redesigned to be sustainable.