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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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Li, Li
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2023Large-area epitaxial growth of InAs nanowires and thin films on hexagonal boron nitride by metal organic chemical vapor depositioncitations
- 2023First-Ply Failure Analysis of Helicoidal/Bouligand Bio-Inspired Laminated Composite Platescitations
- 2022Tuning the crystal structure and optical properties of selective area grown InGaAs nanowirescitations
- 2022Effective Passivation of InGaAs Nanowires for Telecommunication Wavelength Optoelectronicscitations
- 2021Tuning the crystal structure and optical properties of selective area grown InGaAs nanowires
- 2021Multivariate genomic analysis and optimal contributions selection predicts high genetic gains in cooking time, iron, zinc, and grain yield in common beans in East Africacitations
- 2021Passivation of InP solar cells using large area hexagonal-BN layerscitations
- 2019Damage analysis of a perfect broadband absorber by a femtosecond lasercitations
- 2018Tungsten Refractory Plasmonic Material for High Fluence Bowtie Nano-antenna
- 2018Impurity Gettering by Diffusion-doped Polysilicon Passivating Contacts for Silicon Solar Cellscitations
- 2017Imaging of doped iron pnictides across a structural phase transition
- 2017Void evolution and porosity under arsenic ion irradiation in GaAs1-xSbx alloyscitations
- 2016Cluster analysis of acoustic emission signals for 2D and 3D woven carbon fiber/epoxy compositescitations
- 2016Shear-Coupled Grain Growth and Texture Development in a Nanocrystalline Ni-Fe Alloy during Cold Rollingcitations
- 2015Identification of the damage in woven composites based on acoustic emission cluster analysis
- 2014Encapsulated <scp>PDMS</scp> Microspheres with Reactive Handlescitations
- 2013On the mechanical effects of a nanocrystallisation treatment for ZrO2 oxide films growing on a zirconium alloycitations
- 2013Reversible loss of bernal stacking during the deformation of few-layer graphene in nanocompositescitations
- 2012Experimental and numerical study of the effects of a nanocrystallisation treatment on high-temperature oxidation of a zirconium alloycitations
- 2011Work softening in nanocrystalline materials induced by dislocation annihilationcitations
- 2011Ultrafiltration by gyroid nanoporous polymer membranescitations
- 2010Hydrophilic nanoporous materials
- 2008Plastic behavior of a nickel-based alloy under monotonic-tension and low-cycle-fatigue loadingcitations
- 2007Anion selectivity in zwitterionic amide-funtionalised metal salt extractantscitations
Places of action
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article
Ultrafiltration by gyroid nanoporous polymer membranes
Abstract
Gyroid nanoporous cross-linked 1,2-polybutadiene membranes with uniform pores were developed for ultrafiltration applications. The gyroid porosity has the advantage of isotropic percolation with no need for structure pre-alignment. The effects of solvent and surface photo-hydrophilization on permeation and molecular weight cut-off were investigated. Gas permeation followed the Knudsen diffusion scheme, while water flux across the originally hydrophobic membrane could be described by a generalized Hagen–Poiseuille equation. A series of PEGs of different molecular weights were used to explore the effect of membrane fouling on the flux decline and rejection profiles. Significant fouling occurred in the case of hydrophobic membranes in contact with water solutions, while in the presence of high concentration of ethanol in the filtration solution and in the case of hydrophilized membranes the fouling was reduced. The observed rejection of PEG was compared with theoretic predictions, as described by the Bungay–Brenner model. The model satisfactorily described the rejection profile of PEG up to 12kg/mol through hydrophobic membranes in the presence of excess ethanol. A significantly reduced rejection relative to model expectation was found for the hydrophobic membrane in water. For the hydrophilized membrane a sharp increase in rejection from 1kg/mol to 4kg/mol was observed, which only in part could be captured by the model.