[en] A general methodology was proposed to prepare highly functionalized poly(alkyl cyanoacrylate) nanoparticles by means of Huisgen 1,3-dipolar cyclo-addition, the so-called click chemistry. To achieve this goal, different protocols were investigated to obtain azidopoly(ethylene glycol) cyanoacetate of variable molar mass, followed by a Knoevenagel condensation−Michael addition reaction with hexadecyl cyanoacetate to produce a poly[(hexadecyl cyanoacrylate)-co-azidopoly(ethylene glycol) cyanoacrylate] (P(HDCA-co-N3PEGCA)) copolymer, displaying azide functionalities at the extremity of the PEG chains. As a proof of concept, model alkynes were quantitatively coupled either to the P(HDCA-co-N3PEGCA) copolymers in homogeneous medium followed by self-assembly in aqueous solution or directly at the surface of the preformed P(HDCA-co-N3PEGCA) nanoparticles in aqueous dispersed medium, both yielding highly functionalized nanoparticles. This versatile approach, using alkyl cyanoacrylate derivatives, opened the door to ligand-functionalized and biodegradable nanoparticles with “stealth” properties for biomedical applications.
Research Center/Unit :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering Chemistry
Author, co-author :
Nicolas, Julien; Université de Paris-Sud, France > Laboratoire de Physico-Chimie, Pharmacotechnie et Biopharmacie
Bensaid, Fehti; Université de Paris-Sud, France > Laboratoire de Physico-Chimie, Pharmacotechnie et Biopharmacie
Desmaële, Didier; Université de Paris-Sud, France > Laboratoire Biocis
Grogna, Mathurin ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Detrembleur, Christophe ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Andrieux, Karine; Université de Paris-Sud, France > Laboratoire de Physico-Chimie, Pharmacotechnie et Biopharmacie
Couvreur, Patrick; Université de Paris-Sud, France > Laboratoire de Physico-Chimie, Pharmacotechnie et Biopharmacie
Language :
English
Title :
Synthesis of highly functionalized poly(alkyl cyanoacrylate) nanoparticles by means of click chemistry
Publication date :
25 November 2008
Journal title :
Macromolecules
ISSN :
0024-9297
eISSN :
1520-5835
Publisher :
American Chemical Society, Washington, United States - District of Columbia
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