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Thermoresponsive Vesicular Morphologies Obtained by Self-Assemblies of Hybrid Oligosaccharide-block-poly(N-isopropylacrylamide) Copolymer Systems

dc.rights.licenseopen
hal.structure.identifierCentre de Recherches sur les Macromolécules Végétales [CERMAV]
dc.contributor.authorOTSUKA, Issei
hal.structure.identifierHokkaido Univ, Grad Sch Engn
dc.contributor.authorFUCHISE, Keita
hal.structure.identifierCentre de Recherches sur les Macromolécules Végétales [CERMAV]
dc.contributor.authorHALILA, Sami
hal.structure.identifierCentre de Recherches sur les Macromolécules Végétales [CERMAV]
dc.contributor.authorFORT, Sébastien
hal.structure.identifierTeam 4 LCPO : Polymer Materials for Electronic, Energy, Information and Communication Technologies
hal.structure.identifierLaboratoire de Chimie des Polymères Organiques [LCPO]
dc.contributor.authorAISSOU, Karim
hal.structure.identifierCentre de Recherches sur les Macromolécules Végétales [CERMAV]
dc.contributor.authorPIGNOT-PAINTRAND, Isabelle
hal.structure.identifierHokkaido Univ, Grad Sch Engn
dc.contributor.authorCHEN, Yougen
hal.structure.identifierYamagata Univ, Grad Sch Sci & Engn
dc.contributor.authorNARUMI, Atsuchi
hal.structure.identifierHokkaido Univ, Grad Sch Engn
dc.contributor.authorKAKUCHI, Toyoji
hal.structure.identifierCentre de Recherches sur les Macromolécules Végétales [CERMAV]
dc.contributor.authorBORSALI, Redouane
dc.date.accessioned2020
dc.date.available2020
dc.date.issued2010
dc.identifier.issn0743-7463
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/20355
dc.description.abstractEnThis work discusses the self-assembly properties of thermoresponsive hybrid oligosaccharide-block-poly(N-isopropylacrylamide) copolymer systems: maltoheptase-block-poly(N-isopropylacrylamide) (Mal(7)-b-PNIPAM(n)) copolymers. Those systems at different molar masses and volume fractions were synthesized Using Cu(I)-catalyzed 1,3-dipolar azide/alkyne cycloaddition, so-called "click" chemistry, between an alkynyl-functionalized maltoheptaose (I) and poly(N-isopropylacrylamide) having a terminal azido group (N(3)-PNIPAM(n)) prepared by atom transfer radical polymerization (ATRP). While the cloud point (T(cp)) of the N(3)-PNIPAM(n) ranged from 36.4 to 51.5 degrees C depending on the degree of polymerization, those obtained of the diblock copolymers ranged from 39.4 to 73.9 degrees C. The self-assembly of such systems is favored due to the hydrophobicity of the PNIPAM in water above the T(cp). While the N(3)-PNIPAM(n) present polydisperse globular shape with a mean diameter of 500 nm, well-defined vesicular morphologies with an approximate diameter of 300 nm are obtained in diblock copolymer systems. These results were obtained and confirmed using static and dynamic light scattering as well as imaging techniques such as transmission electron microscope experiments.
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.subject.enWATER
dc.subject.enAMYLOSE
dc.subject.enVESICLES
dc.subject.enCOIL BLOCK-COPOLYMERS
dc.subject.enTRANSFER RADICAL POLYMERIZATION
dc.subject.enDIBLOCK COPOLYMERS
dc.subject.enLIGHT-SCATTERING
dc.subject.enTHERMAL RESPONSE
dc.subject.enPOLY(N-ISOPROPYLACRYLAMIDE)
dc.subject.enCHAIN
dc.title.enThermoresponsive Vesicular Morphologies Obtained by Self-Assemblies of Hybrid Oligosaccharide-block-poly(N-isopropylacrylamide) Copolymer Systems
dc.typeArticle de revue
dc.identifier.doi10.1021/la902743y
dc.subject.halChimie/Polymères
bordeaux.journalLangmuir
bordeaux.page2325-2332
bordeaux.volume26
bordeaux.hal.laboratoriesLaboratoire de Chimie des Polymères Organiques (LCPO) - UMR 5629*
bordeaux.issue4
bordeaux.institutionBordeaux INP
bordeaux.institutionUniversité de Bordeaux
bordeaux.peerReviewedoui
hal.identifierhal-00950666
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00950666v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Langmuir&rft.date=2010&rft.volume=26&rft.issue=4&rft.spage=2325-2332&rft.epage=2325-2332&rft.eissn=0743-7463&rft.issn=0743-7463&rft.au=OTSUKA,%20Issei&FUCHISE,%20Keita&HALILA,%20Sami&FORT,%20S%C3%A9bastien&AISSOU,%20Karim&rft.genre=article


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