Use of Superparamagnetic Nanoparticle/Block Copolymer Electrostatic Complexes as Contrast Agents in Magnetic Resonance Imaging

dc.creatorBerret, Jean-Francois
dc.creatorCartier, Regis
dc.date2007-01-26
dc.date.accessioned2026-07-07T07:43:12Z
dc.date.available2026-07-07T07:43:12Z
dc.descriptionDuring the past years we have investigated the complexation between nanocolloids and oppositely charged polymers. The nanocolloids examined were ionic surfactant micelles and inorganic oxide nanoparticles. For the polymers, we used homopolyelectrolytes and block copolymers with linear and comb architectures. In general, the attractive interactions between oppositely charged species are strong and as such, the simple mixing of solutions containing dispersed constituents yield to a precipitation, or to a phase separation. We have developed means to control the electrostatically-driven attractions and to preserve the stability of the mixed solution. With these approaches, we designed novel core-shell nanostructures, e.g. as those obtained with polymers and iron oxide superparamagnetic nanoparticles. In this presentation, we show that electrostatic complexation can be used to tailor new functionalized nanoparticles and we provide examples related to biomedical applications in the domain of contrast agents for Magnetic Resonance Imaging.
dc.description4 pages - 3 figures - submitted to Proceeding Symposium on NanoBio Integration 2006
dc.identifierhttps://arxiv.org/abs/cond-mat/0701663
dc.identifierhttp://arxiv.org/abs/cond-mat/0701663
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/122731
dc.subjectSoft Condensed Matter
dc.titleUse of Superparamagnetic Nanoparticle/Block Copolymer Electrostatic Complexes as Contrast Agents in Magnetic Resonance Imaging
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