Publications by authors named "G Brotons"

Hypothesis: Supramolecular polymer bottlebrushes (SPBs) consist in the 1D self-assembly of building blocks composed of a self-assembling core with pendant polymer arms. Kinetic hurdles often hinder their stimuli-responsiveness in solution. Changing the nature of the solvent should alleviate these hurdles by modulating the self-association strength, leading to stimuli-responsive SPBs.

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Microparticles of polyethylene and polypropylene are largely found in aquatic environments because they are the most produced and persistent plastic materials. Once in biological media, they are covered by a layer of molecules, the so-called corona, mostly composed of proteins. A yeast protein extract from was used as a protein system to observe interactions in complex biological media.

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Projects of inertial confinement fusion using lasers need numerous optical components whose coatings allow the increase in their transmission and their resistance to high laser fluence. A coating process based on the self-assembly of sol-gel silica nanoparticles and a post-treatment with ammonia vapor over the surfaces of the optical components ("ammonia curing process") was developed and successfully optimized for industrial production. Manufacturing such antireflective coatings has clear advantages: (i) it is much cheaper than conventional top-down processes; (ii) it is well adapted to large-sized optical components and large-scale production; and (iii) it gives low optical losses in transmission and high resistances to laser fluence.

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Article Synopsis
  • Protein aggregation in biotherapeutics can diminish their effectiveness and cause harmful immune reactions, and the role of plastic materials in this process is not fully understood.
  • The study investigates how different material surfaces (like polypropylene and glass) and mechanical agitation affect the stability of various proteins and finds that certain proteins are more vulnerable to destabilization under these conditions.
  • The authors suggest that reducing any one of these stress factors—material type, air exposure, or agitation—can help preserve protein stability and mitigate adverse effects.
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Correction for 'Galenic Lab-on-a-Chip concept for lipid nanocapsules production' by Nicolas Rolley , , 2021, , 11899-11912, DOI: 10.1039/D1NR00879J.

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