Aqueous dispersion of monodisperse magnetic iron oxide nanocrystals through phase transfer

William W. Yu; Emmanuel Chang; Christie M. Sayes; Rebekah Drezek; Vicki L. Colvin

doi:10.1088/0957-4484/17/17/033

Aqueous dispersion of monodisperse magnetic iron oxide nanocrystals through phase transfer

William W. Yu, Emmanuel Chang, Christie M. Sayes, Rebekah Drezek, Vicki L. Colvin

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

196 Scopus citations

Abstract

A facile method was developed for completely transferring high quality monodisperse iron oxide nanocrystals from organic solvents to water. The as-prepared aqueous dispersions of iron oxide nanocrystals were extremely stable and could be functionalized for bioconjugation with biomolecules. These iron oxide nanocrystals showed negligible cytotoxicity to human breast cancer cells (SK-BR-3) and human dermal fibroblast cells. This method is general and versatile for many organic solvent-synthesized nanoparticles, including fluorescent semiconductor nanocrystals.

Original language	English (US)
Article number	033
Pages (from-to)	4483-4487
Number of pages	5
Journal	Nanotechnology
Volume	17
Issue number	17
DOIs	https://doi.org/10.1088/0957-4484/17/17/033
State	Published - Aug 1 2006

ASJC Scopus subject areas

Bioengineering
General Chemistry
General Materials Science
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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AU - Yu, William W.

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AU - Sayes, Christie M.

AU - Drezek, Rebekah

AU - Colvin, Vicki L.

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AB - A facile method was developed for completely transferring high quality monodisperse iron oxide nanocrystals from organic solvents to water. The as-prepared aqueous dispersions of iron oxide nanocrystals were extremely stable and could be functionalized for bioconjugation with biomolecules. These iron oxide nanocrystals showed negligible cytotoxicity to human breast cancer cells (SK-BR-3) and human dermal fibroblast cells. This method is general and versatile for many organic solvent-synthesized nanoparticles, including fluorescent semiconductor nanocrystals.

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Aqueous dispersion of monodisperse magnetic iron oxide nanocrystals through phase transfer

Abstract

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