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Functionalized luminescent oxide nanoparticles as biological probes

  • Institut Polytechnique de Paris

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Synthesis and functionalization of nanoparticles of yttrium vanadate doped with europium is described. Synthesis of yttrium vanadate leads to ovoid nanoparticles, with average length and width respectively of 30 and 18 nm. Dispersion of these nanoparticles in solution is achieved through the adsorption of silicate ions that increase the surface potential. The nanoparticles are then functionalized by encapsulation with an epoxysilane (glycidoxypropyltrimethoxysilane). The functionalization is controlled by 29Si MAS NMR and thermal analysis, whereas a partial opening of the epoxy rings is evidenced by 13C MAS NMR. As an example of application, guanidinium groups were grafted to ensure the specific interactions of the particles with sodium channels of a cell membrane.

Original languageEnglish
Title of host publicationColloidal Materials
Subtitle of host publicationSynthesis, Structure, and Applications
PublisherMaterials Research Society
Pages90-96
Number of pages7
ISBN (Print)1558998993, 9781558998995
DOIs
Publication statusPublished - 1 Jan 2006
Event2006 MRS Spring Meeting - San Francisco, CA, United States
Duration: 18 Apr 200621 Apr 2006

Publication series

NameMaterials Research Society Symposium Proceedings
Volume942
ISSN (Print)0272-9172

Conference

Conference2006 MRS Spring Meeting
Country/TerritoryUnited States
CitySan Francisco, CA
Period18/04/0621/04/06

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