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Preparation of Swellable Hydrogel-Containing Colloidosomes from Aqueous Two-Phase Pickering Emulsion Droplets

Abstract : We describe the fabrication of stable colloidosomes derived from water-in-water Pickering-like emulsions produced by addition of fluorescent amine-modified polystyrene latex beads to an aqueous two-phase system consisting of dextran-enriched droplets dispersed in a PEG-enriched continuous phase. Addition of polyacrylic acid followed by carbodiimide-induced crosslinking with dextran produces hydrogelled droplets capable of reversible swelling and selective molecular uptake and exclusion. Colloidosomes produced specifically in all-water systems could offer new opportunities in microencapsulation and the bottom-up construction of synthetic protocells.
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https://hal.archives-ouvertes.fr/hal-02119101
Contributor : Jean-Christophe Baret <>
Submitted on : Tuesday, March 30, 2021 - 1:51:39 PM
Last modification on : Monday, May 10, 2021 - 2:58:42 PM

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Jean-Paul Douliez, Nicolas Martin, Thomas Beneyton, Jean-Charles Eloi, Jean-Paul Chapel, et al.. Preparation of Swellable Hydrogel-Containing Colloidosomes from Aqueous Two-Phase Pickering Emulsion Droplets. Angewandte Chemie International Edition, Wiley-VCH Verlag, 2018, 57 (26), pp.7780-7784. ⟨10.1002/anie.201802929⟩. ⟨hal-02119101⟩

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