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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
Catalytic electrospun nano-composite membranes for virus capture and remediation
Abstract
Viruses spread in the environment through solution and as aerosols, generating great risks of infection for exposed populations. Virus versatile chemistries and behaviours thus require remediation solutions encompassing both nanoscale controlled surface topography and chemical functionalities. Here, nano-composite electrospun nanofiber membranes were electrospun from tetraethoxysilane and ammonium tetrathiomolybdate mixed blended with poly(acrylonitrile) to produce defect-free and highly interconnected porous structure. The capture efficiency of the nano-composite electrospun based membranes for the Semliki Forest virus in solution was found to be largely related to the tuned fiber surface morphology and roughness as well as to the surface energy of the materials. The mechanically flexible and robust composite microfiltration membranes, with pore size distributions in the range of 0.8 to 3.1 µm and specific surface areas on the order of 45.6 m2/g, exhibited virus removal efficiencies in single pass up to 98.9% and yet very high water permeation up to 26,000 L.m−2.h−1.bar−1. The hybrid membranes also yielded excellent photocatalytic performance thus allowing for continuous flow operation as continuous membrane reactors. These ultra-thin membranes, facile to mass-produce, offer opportunities to provide cost-effective water remediation strategies for low-energy requirement separation systems for the simultaneous capture and degradation of pathogens, and to self-cleaning materials.