A5079432913- Innovative Microfluidic and Catalytic Techniques Innovation
- Pickering emulsions and particle stabilization
- Osteoarthritis Treatment and Mechanisms
- 3D Printing in Biomedical Research
- Mesenchymal stem cell research
- Polysaccharides Composition and Applications
- Hydrogels: synthesis, properties, applications
- Polysaccharides and Plant Cell Walls
- Electrowetting and Microfluidic Technologies
- Advanced Cellulose Research Studies
- Microfluidic and Capillary Electrophoresis Applications
- Enzyme Catalysis and Immobilization
- Proteins in Food Systems
- Extracellular vesicles in disease
- Tissue Engineering and Regenerative Medicine
- Periodontal Regeneration and Treatments
- Micro and Nano Robotics
- Proteoglycans and glycosaminoglycans research
- Electrohydrodynamics and Fluid Dynamics
- Algal biology and biofuel production
- Electrospun Nanofibers in Biomedical Applications
- Botanical Research and Applications
- Lipid metabolism and biosynthesis
- Total Knee Arthroplasty Outcomes
- Nanoparticles: synthesis and applications
Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
2021-2025
Oniris
2019-2024
PAnTher - Physiopathologie Animale et bioThérapie du muscle et du système nerveux
2023-2024
Biopolymères Interactions Assemblages
2012-2023
Institut National de la Recherche Agronomique
2012-2015
Université Toulouse III - Paul Sabatier
2008
Centre National de la Recherche Scientifique
2008
The University of Melbourne
2008
Ingénierie des Agropolymères et Technologies Emergentes
2005
Arts et Métiers
2005
The FT-IR fingerprint of wheat endosperm arabinoxylan (AX) was investigated using a set polysaccharides exhibiting variation their degree substitution and xylo-oligosaccharides comprising xylose units mono- or disubstituted by arabinose residues. Substitution the backbone side more particularly studied in 1000−800 cm-1 spectral region, taking advantage second-derivative enhancement. 920−1020 region revealed two absorption bands at 984 958 cm-1, intensities which varied according to...
We describe a microfluidic approach for generating Janus microbeads from biopolymer hydrogels. A flow-focusing device was used to emulsify the coflow of aqueous solutions one or two different biopolymers in an organic phase synthesize homo hetero microbeads. Biopolymer gelation initiated, chip, by diffusion-controlled ionic cross-linking biopolymers. Pectin-pectin (homo Janus) and, first time, pectin-alginate (hetero were produced. The efficiency separation hemispheres, which reflected...
Alginate microgels are widely used as delivery systems in food, cosmetics, and pharmaceutical industries for encapsulation sustained release of hydrophilic compounds cells. However, the lipophilic molecules inside these remains a great challenge because complex oil-core matrix required. The present study describes an original two-step approach allowing easy several oil microdroplets within alginate microgels. In first step, stable were formed by preparing oil-in-water (O/W) Pickering...
Although cell wall remodeling is an essential feature of plant growth and development, the underlying molecular mechanisms are poorly understood. This work describes characterization Arabidopsis (Arabidopsis thaliana) plants with altered expression ARAF1, a bifunctional alpha-L-arabinofuranosidase/beta-D-xylosidase (At3g10740) belonging to family 51 glycosyl-hydrolases. ARAF1 was localized in several types vascular system roots stems, including xylem vessels parenchyma cells surrounding...
Evandro Martinsa*, Denis Renardb, Joëlle Davyb, Mélanie Marquisb & Ponceletaa Process Engineering for Environment and Food Laboratory, ONIRIS, Route de la Géraudière, Nantes, France b INRA UR 1268 Biopolymères Interactions Assemblages,
We demonstrated the generation of pectin hydrogel microparticles having complex shapes either by combining phenomenon gelation and water diffusion-induced self-assembly in microfluidic channels (on-chip) or deformation pregelled droplets outside (off-chip) at a fluid-fluid interface. proved that tuning mode cross-linking (CaCl2 vs CaCO3) degree shrinking (water content dimethyl carbonate (DMC) organic continuous phase) we can control shape final particle. Sphere, doughnut, oblate ellipsoid,...
Osteoarthritis (OA) is an inflammatory joint disease that affects cartilage, subchondral bone, and tissues. Undifferentiated Mesenchymal Stromal Cells are a promising therapeutic option for OA due to their ability release anti-inflammatory, immuno-modulatory, pro-regenerative factors. They can be embedded in hydrogels prevent tissue engraftment subsequent differentiation. In this study, human adipose stromal cells successfully encapsulated alginate microgels via micromolding method....
Understanding the specific interaction of cell wall polysaccharides degrading-enzymes with their substrates is fundamental and practical interest for fine grasp activity. Such interactions are difficult to unveil in real-life conditions due structural complexity plant wall. In this work, we present complex highly confined model systems cholesteric cellulose nanocrystal suspensions reaching dimensions close those found Cellulose-xyloglucan (XG) assemblies various surface chemistries were...
At the junction of chemistry, physics and biology, digestion involves many processes. Studying mechanisms in such a complex system is challenging because numerous interactions coexist. Even an apparently simple as emulsion, physicochemical characteristics affect lipid digestion. Moreover, these are difficult to control using conventional vitro techniques. The goal this work was design microfluidic device allowing study well-controlled individual oil droplets under gastrointestinal...
Articular cartilage is an avascular, non-innervated connective tissue with limited ability to regenerate. degenerative processes arising from trauma, inflammation or due aging are thus irreversible and may induce the loss of joint function. To repair cartilaginous defects, engineering approaches under intense development. Association cells signalling proteins, such as growth factors, biocompatible hydrogel matrix lead regeneration healthy tissue. One current strategy enhance both factor...
We introduce a convenient pendant drop method for making double emulsions and emulsion gels in predictable way.
Preclinical data acquired for human muscle stem (hMuStem) cells indicate their great repair capacity in the context of injury. However, clinical potential is limited by moderate ability to survive after transplantation. To overcome these limitations, encapsulation within protective environment would be beneficial. In this study, tunable calcium-alginate hydrogels obtained through molding method using external or internal gelation were investigated as a new strategy hMuStem cell...