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Preparation of Template-Free Robust Yolk-Shell Gelled Particles from Controllably Evolved All-in-Water Emulsions

hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorDOULIEZ, Jean-Paul
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorPERRO, Adeline
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorCHAPEL, Jean-Paul
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorGOUDEAU, Bertrand
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorBEVEN, Laure
dc.date.issued2018-10
dc.identifier.issn1613-6810
dc.description.abstractEnA template-free all-aqueous bulk preparation of robust hollow capsules having a gelatin shell from all-in-water double emulsions is reported. The hot (>40 °C) quaternary system water/polyethylene glycol (PEG)/gelatin/ alginate is shown to spontaneously form PEG-in-gelatin-in-PEG double water emulsion droplets having a multinuclear core. These droplets are stable upon cooling below the temperature at which gelatin gelled. In contrast, above the melting temperature of gelatin, multinuclear double emulsion droplets controllably evolve into stable mononuclear yolk (aqueous PEG)- shell (gelatin) capsules dispersed in the aqueous PEG continuous phase. It is demonstrated that the gelatin shell can accommodate negatively charged latex beads and be re-enforced by glutaraldehyde or silica. These capsules are also shown to encapsulate payloads, suggesting possible applications in microencapsulation, drug delivery, and synthetic biology.
dc.language.isoen
dc.publisherWiley-VCH Verlag
dc.subject.enAll-in-water emulsion
dc.subject.enencapsulation
dc.subject.engelatin
dc.subject.enyolk–shell particle
dc.title.enPreparation of Template-Free Robust Yolk-Shell Gelled Particles from Controllably Evolved All-in-Water Emulsions
dc.typeArticle de revue
dc.identifier.doi10.1002/smll.201803042
dc.subject.halChimie/Polymères
bordeaux.journalSmall
bordeaux.page1803042
bordeaux.volume14
bordeaux.issue41
bordeaux.peerReviewedoui
hal.identifierhal-02326573
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02326573v1
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