Browsing Faculté de pharmacie – Travaux et publications by Author "David, Laurent"

Now showing items 1-6 of 6

  • Bioinspired microstructures of chitosan hydrogel provide enhanced wear protection 

    Faivre, Jimmy; Sudre, Guillaume; Montembault, Alexandra; Benayoun, Stéphane; Banquy, Xavier; Delair, Thierry; David, Laurent (Royal Society of Chemistry, 2018-02-16)
    We describe the fabrication of physical chitosan hydrogels exhibiting a layered structure. This bilayered structure, as shown by SEM and confocal microscopy, is composed of a thin dense superficial zone (SZ), covering a deeper zone (DZ) containing ...

  • Chitosan hydrogel micro-bio-devices with complex capillary patterns via reactive-diffusive self-assembly 

    Adibnia, Vahid; Mirbagheri, Marziye; Latreille, Pierre-Luc; Faivre, Jimmy; Cécyre, Bruno; Bouchard, Jean-François; Martinez, Vincent A.; Delair, Thierry; David, Laurent; Hwang, Dae Kun; Banquy, Xavier (Elsevier, 2019-08-29)
    We present chitosan hydrogel microfluidic devices with self-assembled complex microcapillary patterns, conveniently formed by a diffusion-reaction process. These patterns in chitosan hydrogels are formed by a single-step procedure involving diffusion ...

  • Intermolecular interactions between Bottlebrush Polymers boost the protection of surfaces against frictional wear 

    Faivre, Jimmy; Shrestha, Buddha R.; Xie, Guojun; Olszewski, Mateusz; Adibnia, Vahid; Moldovan, Florina; Montembault, Alexandra; Sudre, Guillaume; Delair, Thierry; David, Laurent; Matyjaszewski, Krzysztof; Banquy, Xavier (ACS Publications, 2018-05-30)
    Polymers exhibiting the bottlebrush (BB) architecture have excellent lubricating properties. However, to motivate their use in real life systems, they must also protect surfaces against frictional damage. In this article, we synthesized a library of ...

  • Lubrication and wear protection of micro-structured hydrogels using bioinspired fluids 

    Faivre, Jimmy; Montembault, Alexandra; Sudre, Guillaume; Shrestha, Buddha R.; Xie, Guojun; Matyjaszewski, Krzysztof; Benayoun, Stéphane; Banquy, Xavier; Delair, Thierry; David, Laurent (American Chemical Society, 2018-11-21)
    We report the fabrication and the use of a bioinspired synovial fluid acting as a lubricant fluid and anti-wear agent at soft and porous chitosan hydrogel tribopairs. This synthetic synovial fluid is composed of sodium hyaluronate (HA) and a bottle-brush ...

  • Unraveling the correlations between conformation, lubrication, and chemical stability of bottlebrush polymers at interfaces 

    Faivre, Jimmy; Shrestha, Buddha R.; Xie, Guojun; Delair, Thierry; David, Laurent; Matyjaszewski, Krzysztof; Banquy, Xavier (American Chemical Society, 2017-09-29)
    In the present study, we monitored the conformation and chemical stability of a hydrophilic bottlebrush (BB) polymer in pure water and buffered saline solutions. We correlated these parameters to lubricating and wear protecting properties. Using the ...

  • Wear protection without surface modification using a synergistic mixture of molecular brushes and linear polymers 

    Faivre, Jimmy; Shrestha, Buddha R.; Burdynska, Joanna; Xie, Guojun; Moldovan, Florina; Delair, Thierry; Benayoun, Stéphane; David, Laurent; Matyjaszewski, Krzysztof; Banquy, Xavier (American Chemical Society, 2017-01-10)
    We describe the design of lubricating and wear protecting fluids based on mixtures of bottlebrushes (BB) and linear polymers solutions. To illustrate this concept we used hyaluronic acid (HA) - a naturally occurring linear polyelectrolyte, and a water ...