Continuous chemical operations and modifications on magnetic γ-Fe2O3 nanoparticles confined in nanoliter droplets for the assembly of fluorescent and magnetic SiO2@γ-Fe2O3.

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Abstract

We present a microfluidic platform that allows undergoing different chemical operations in a nanoliter droplet starting from the colloidal suspension of magnetic iron oxide (γ-Fe2O3) nanoparticles "NPs" (ferrofluid). These operations include: mixing, flocculation, magnetic decantation, colloidal redispersion, washing, surface functionalization, heating and colloidal assembly. To prove the platform capabilities, we produced fluorescent and magnetic nanoassemblies composed of fluorescent silica and magnetic NPs.

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Journal

Journal ID (iso-abbrev): Chem Commun (Camb)

Title: Chemical communications (Cambridge, England)

Publisher: Royal Society of Chemistry (RSC)

ISSN (Electronic): 1364-548X

ISSN (Print): 1359-7345

Publication date (Electronic): Dec 11 2015

Volume: 51

Issue: 95

Affiliations

[1 ] Laboratoire Physicochimie Curie, CNRS/UMR 168, 11 rue Pierre et Marie Curie, Paris, France. stephanie.descroix@curie.fr.

[2 ] Laboratoire Physicochimie Curie, CNRS/UMR 168, 11 rue Pierre et Marie Curie, Paris, France. stephanie.descroix@curie.fr and Sorbonne Universités, Laboratoire de PHysico-chimie des Electrolytes et NanosystèmesInterfaciauX (PHENIX), UPMC Univ. Paris 06, case 51, 4 place Jussieu, F-75252 Paris Cedex 05, France. ali.abou_hassan@upmc.fr.

[3 ] Sorbonne Universités, Laboratoire de PHysico-chimie des Electrolytes et NanosystèmesInterfaciauX (PHENIX), UPMC Univ. Paris 06, case 51, 4 place Jussieu, F-75252 Paris Cedex 05, France. ali.abou_hassan@upmc.fr.

Article

DOI: 10.1039/c5cc07044a

PubMed ID: 26435272

SO-VID: 4fc23939-d924-4d7f-a76c-3d9e2d43032a

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