| People | Locations | Statistics |
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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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Chabbert, Brigitte
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2023Influence of surface chemistry of fiber and lignocellulosic materials on adhesion properties with polybutylene succinate at nanoscalecitations
- 2023Modification of a Marine Pine Kraft Lignin Sample by Enzymatic Treatment with a Pycnoporus cinnabarinus Laccasecitations
- 2023Modification of a Marine Pine Kraft Lignin Sample by Enzymatic Treatment with a Pycnoporus cinnabarinus Laccasecitations
- 2023Influence of Surface Chemistry of Fiber and Lignocellulosic Materials on Adhesion Properties with Polybutylene Succinate at Nanoscalecitations
- 2023Influence of Surface Chemistry of Fiber and Lignocellulosic Materials on Adhesion Properties with Polybutylene Succinate at Nanoscalecitations
- 2020Multiscale modeling of microbial degradation of outer tissues of fiber-crop stems during the dew retting processcitations
- 2020Influence of the polarity of the matrix on the breakage mechanisms of lignocellulosic fibers during twin-screw extrusioncitations
- 2020Influence of the polarity of the matrix on the breakage mechanisms of lignocellulosic fibers during twin-screw extrusioncitations
- 2020Atomic force microscopy reveals how relative humidity impacts the Young’s modulus of lignocellulosic polymers and their adhesion with cellulose nanocrystals at the nanoscalecitations
- 2020Effect of the Interplay of Composition and Environmental Humidity on the Nanomechanical Properties of Hemp Fiberscitations
- 2020Multimodal assessment of flax dew retting and its functional impact on fibers and natural fiber compositescitations
- 2015Nanocharacterization of chemical and mechanical properties of plant cell walls and lignocellulosic bioinspired assemblies
- 2015Nanocharacterization of chemical and mechanical properties of plant cell walls and lignocellulosic bioinspired assemblies
- 2015Fungal elicitor-mediated enhancement in phenylpropanoid and naphtodianthrone contents of Hypericum perforatum L. cell culturescitations
- 2015Use of food and packaging model Matrices to investigate the antioxidant properties of biorefinery grass ligninscitations
- 2015Organosolv lignin as natural grafting additive to improve the water resistance of films using cellulose nanocrystalscitations
- 2014Atomic Force Microscopy-related techniques applied to the nanocharacterization of mechanical and chemical properties of plant cell walls and bioinspired polymer films
- 2012Natural Organic UV-Absorbent Coatings Based on Cellulose and Lignin: Designed Effects on Spectroscopic Propertiescitations
- 2012Effect of lignin content on a GH11 endoxylanase acting on glucuronoarabinoxylan-lignin nanocompositescitations
- 2011Structure and optical properties of plant cell wall bioinspired materials: cellulose-lignin multilayer nanocompositescitations
- 2009In vitro model assemblies to study the impact of lignin-carbohydrate interactions on the enzymatic conversion of Xylancitations
- 2009In vitro model assemblies to study the impact of lignin-carbohydrate interactions on the enzymatic conversion of Xylancitations
Places of action
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article
Atomic force microscopy reveals how relative humidity impacts the Young’s modulus of lignocellulosic polymers and their adhesion with cellulose nanocrystals at the nanoscale
Abstract
Lignocellulosic biomass is receiving growing interest as a renewable source of biofuels, chemicals and materials. Lignocellulosic polymers and cellulose nanocrystals (CNCs) present high added-value potential in the nanocomposite field, but some issues have to be solved before large-scale applications. Among them, the interaction between polymers at the nanoscale and the effect of the external parameters on the mechanical properties have to be more precisely investigated. The present study aims at evaluating how the relative humidity affects the reduced Young’s modulus of lignocellulosic films prepared with crystalline cellulose, glucomannan, xylan and lignin and how relative humidity changes their nanoscale adhesion properties with CNCs. Using atomic force microscopy and force volume experiments with CNC-functionalized levers, increasing the relative humidity is shown to decrease the Young’s modulus values of the different films and promote their adhesion forces with CNCs. In particular, CNCs more strongly interact with glucomannan and lignin than xylan, and in the case of lignin, the oxidation of the film promotes strong variations in the adhesion force. Such results allow to better understand the lignocellulosic film properties at the nanoscale, which should lead to an improvement in the production of new highly added-value composites.