One-step ligand exchange and switching from hydrophobic to water-stable hydrophilic superparamagnetic iron oxide nanoparticles by mechanochemical milling

Katalin V. Korpany; Cristina Mottillo; Jill Bachelder; Shoronia N. Cross; Pengcheng Dong; Simon Trudel; Tomislav Friščić; Amy Szuchmacher Blum

doi:10.1039/c5cc07107k

One-step ligand exchange and switching from hydrophobic to water-stable hydrophilic superparamagnetic iron oxide nanoparticles by mechanochemical milling

Katalin V. Korpany, Cristina Mottillo, Jill Bachelder, Shoronia N. Cross, Pengcheng Dong, Simon Trudel, Tomislav Friščić^*, Amy Szuchmacher Blum

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

We describe a simple, rapid methodology for the synthesis of water-stable iron oxide nanoparticles (IONPs) compatible with a variety of aqueous buffers, based on mechanochemical milling exchange of covalently bound surface ligands on pre-fabricated oleic acid-protected IONPs. Application of milling for IONP ligand exchange eliminates steps required for transforming hydrophobic into negatively charged, water-soluble superparamagnetic IONPs.

Original language	English
Pages (from-to)	3054-3057
Number of pages	4
Journal	Chemical Communications
Volume	52
Issue number	14
DOIs	https://doi.org/10.1039/c5cc07107k
Publication status	Published - 18 Feb 2016

Bibliographical note

Publisher Copyright:
© The Royal Society of Chemistry 2016.

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
General Chemistry
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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abstract = "We describe a simple, rapid methodology for the synthesis of water-stable iron oxide nanoparticles (IONPs) compatible with a variety of aqueous buffers, based on mechanochemical milling exchange of covalently bound surface ligands on pre-fabricated oleic acid-protected IONPs. Application of milling for IONP ligand exchange eliminates steps required for transforming hydrophobic into negatively charged, water-soluble superparamagnetic IONPs.",

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AU - Korpany, Katalin V.

AU - Mottillo, Cristina

AU - Bachelder, Jill

AU - Cross, Shoronia N.

AU - Dong, Pengcheng

AU - Trudel, Simon

AU - Friščić, Tomislav

AU - Blum, Amy Szuchmacher

PY - 2016/2/18

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AB - We describe a simple, rapid methodology for the synthesis of water-stable iron oxide nanoparticles (IONPs) compatible with a variety of aqueous buffers, based on mechanochemical milling exchange of covalently bound surface ligands on pre-fabricated oleic acid-protected IONPs. Application of milling for IONP ligand exchange eliminates steps required for transforming hydrophobic into negatively charged, water-soluble superparamagnetic IONPs.

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One-step ligand exchange and switching from hydrophobic to water-stable hydrophilic superparamagnetic iron oxide nanoparticles by mechanochemical milling

Abstract

Bibliographical note

ASJC Scopus subject areas

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