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Hybrid polymeric micelles stabilized by gallium ions: Structural investigation

dc.rights.licenseopenen_US
dc.contributor.authorGINESTE, Stéphane
dc.contributor.authorLONETTI, Barbara
dc.contributor.authorYON, Marjorie
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorGIERMANSKA, Joanna
dc.contributor.authorDI COLA, Emanuela
dc.contributor.authorSZTUCKI, Michael
dc.contributor.authorCOPPEL, Yannick
dc.contributor.authorMINGOTAUD, Anne-Françoise
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorCHAPEL, Jean-Paul
dc.contributor.authorMARTY, Jean-Daniel
dc.contributor.authorMINGOTAUD, Christophe
dc.date.accessioned2022-06-09T15:45:35Z
dc.date.available2022-06-09T15:45:35Z
dc.date.issued2022
dc.identifier.issn219797en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/140170
dc.description.abstractEnThe addition of gallium ions to a solution of a double-hydrophilic block copolymer, i.e. poly(ethylene oxide)-block-poly(acrylic acid), leads to the spontaneous formation of highly monodisperse micelles with a Hybrid PolyIon Complexes (HPICs) core. By combining several techniques, a precise description of the HPIC architecture was achieved. In particular and for the first time, NMR and anomalous small angle X-ray scattering (ASAXS) enable tracking of the inorganic ions in solution and highlighting the co-localization of the gallium and the poly(acrylic acid) blocks in a rigid structure at the core of the micelle. Such a core has a radius of ca 4.3 nm while the complete nano-object with its poly(ethylene oxide) shell has a total radius of ca 11 nm. The aggregation number was also estimated using the ASAXS results. This comprehensive structural characterization of the Ga HPICs corroborates the assumptions made for HPICs based on other inorganic ions and demonstrates the universality of the HPIC structure leading, for example, to new families of contrast agents in medical imaging.
dc.description.sponsorshipComplexes hybrides polyioniques pour l'imagerie médicale - ANR-19-CE09-0011en_US
dc.language.isoENen_US
dc.subjectPolyion
dc.subjectASAXS
dc.subjectMicelle
dc.subjectPolyme
dc.subjectr Gallium
dc.title.enHybrid polymeric micelles stabilized by gallium ions: Structural investigation
dc.title.alternativeJ. Colloid Interface Sci.en_US
dc.typeArticle de revueen_US
dc.identifier.doi10.1016/j.jcis.2021.11.077en_US
dc.subject.halChimie/Matériauxen_US
bordeaux.journalJournal of Colloid and Interface Scienceen_US
bordeaux.page698-706en_US
bordeaux.volume609en_US
bordeaux.hal.laboratoriesCentre de Recherche Paul Pascal (CRPP) - UMR 5031en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamColloïdes, interfaces, assemblages (CIA)
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
hal.exportfalse
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Colloid%20and%20Interface%20Science&rft.date=2022&rft.volume=609&rft.spage=698-706&rft.epage=698-706&rft.eissn=219797&rft.issn=219797&rft.au=GINESTE,%20Ste%CC%81phane&LONETTI,%20Barbara&YON,%20Marjorie&GIERMANSKA,%20Joanna&DI%20COLA,%20Emanuela&rft.genre=article


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