Article (Scientific journals)
Novel amphiphilic mikto-arm star-shaped copolymers for the preparation of PLA-based nanocarriers
Cajot, Sébastien; Riva, Raphaël; Billiet, Leen et al.
2011In Macromolecular Symposia, 309/310 (1), p. 111-122
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Keywords :
ring-opening polymerization (ROP); lactone; click chemistry; copper-mediated Huisgen's cycloaddition; star-shaped polymer; organic nanoparticle; polymer functionalization
Abstract :
[en] Three-arm (A2B) and four-arm (A2B2) star-shaped copolymers based on biocompatible and biodegradable hydrophobic poly(ε-caprolactone) (PCL) (A arms) and biocompatible and bioeliminable hydrophilic poly(ethylene oxide) (PEO) (B arms) were synthesized by the coupling of an ω-azide terminated PEO chains with PCL chain bearing one (A2B) or two (A2B2) alkyne functions at the middle of the chain by the copper mediated azide-alkyne cycloaddition (CuAAC). The amphiphilic behavior of these different stars was confirmed by micellization experiments in water followed by dynamic light scattering and transmission electron microscopy analyses. The efficiency to stabilize PLA nanoparticles was investigated in function of the stars structure.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Chemistry
Materials science & engineering
Author, co-author :
Cajot, Sébastien ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Riva, Raphaël ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Billiet, Leen;  University of Ghent > Department of Organic Chemistry > Polymer Chemistry Research Group (PCR)
Du Prez, Filip;  University of Ghent > Department of Organic Chemistry > Polymer Chemistry Research Group (PCR)
Alexandre, Michaël ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Lecomte, Philippe  ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Christine  ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Novel amphiphilic mikto-arm star-shaped copolymers for the preparation of PLA-based nanocarriers
Publication date :
December 2011
Journal title :
Macromolecular Symposia
ISSN :
1022-1360
eISSN :
1521-3900
Publisher :
Wiley, Germany
Volume :
309/310
Issue :
1
Pages :
111-122
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE]
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
The Walloon Region in the frame of the EMULFIVE project
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since 23 December 2011

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