Article (Scientific journals)
PLA-coated gold nanoparticles for the labeling of PLA biocarriers
Qiu, Hongjin; Rieger, Jutta; Gilbert, Bernard et al.
2004In Chemistry of Materials, 16 (5), p. 850-856
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Keywords :
metal nanoparticle; ring-opening polymerization (ROP); lactone
Abstract :
[en] POly-DL-lactide end-capped by a protected thiol was synthesized by bulk ring-opening polymerization (ROP) of DL-lactide initiated by the reaction product of aluminum isopropoxide [Al (iOPr) (3)] with alpha- (2,4-dinitrophenylsulfenyl) ethanol. After the thiol deprotection, PLA-SH was used to stabilize gold nanoparticles. Either these nanoparticles were prepared in the presence of PLA-SH, or PLA-SH was substituted for part of the undecanethiol (C11SH) that stabilized preformed gold nanoparticles. In contrast to C11SH-coated nanoparticles, those stabilized by PLA-SH were successfully entrapped into 100-nm PLA nanocarriers prepared by nanoprecipitation. This is an easy technique to label PLA biocarriers and therefore trace their fate in vivo.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Physics
Chemistry
Materials science & engineering
Author, co-author :
Qiu, Hongjin;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Rieger, Jutta ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Gilbert, Bernard ;  Université de Liège - ULiège > Chimie analytique et électrochimie
Jérôme, Robert ;  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 :
PLA-coated gold nanoparticles for the labeling of PLA biocarriers
Publication date :
09 March 2004
Journal title :
Chemistry of Materials
ISSN :
0897-4756
eISSN :
1520-5002
Publisher :
Amer Chemical Soc, Washington, United States - Washington
Volume :
16
Issue :
5
Pages :
850-856
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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