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Metallogels from Glycolipid Biosurfactant

Abstract : Low molecular weight (LMW) molecules of biological origin like microbial glycolipid biosurfactants can self-assemble in water, with tunable structure by a soft chemistry approach (pH, temperature, ionic strength). The unique structure of glycolipids give possible access to a wide variety of aqueous self-assembled structures, although highly unpredictable beforehand. The glycolipid presented here consists in a glucose group linked to a C18:1-cis fatty acid (G-C18:1) and produced by the fermentation of S. bombicola ΔugtB1. Due to the carboxylic group of the fatty acid, the supramolecular self-assembly is pH dependent. In the pH range 5-7, G-C18:1 forms vesicles, while above pH 7, it forms a micellar phase. Adding a wide range of metal salts
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Submitted on : Friday, February 25, 2022 - 7:46:02 AM
Last modification on : Thursday, November 10, 2022 - 4:35:56 AM
Long-term archiving on: : Thursday, May 26, 2022 - 6:16:11 PM


  • HAL Id : hal-03576357, version 1


Alexandre Poirier, Patrick Le Griel, Javier Perez, Daniel Hermida-Merino, Petra Pernot, et al.. Metallogels from Glycolipid Biosurfactant. {date}. ⟨hal-03576357⟩



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