Characterization and Magnetic Heating of Commercial Superparamagnetic Iron Oxide Nanoparticles

被引：26

作者：

Rovers, Stefan A. ^{[1
]}

van der Poel, Leon A. M. ^{[1
]}

Dietz, Carin H. J. T. ^{[1
]}

Noijen, Jef J. ^{[2
]}

Hoogenboom, Richard ^{[3
]}

Kemmere, Maartje F. ^{[1
]}

Kopinga, Klaas ^{[2
]}

Keurentjes, Jos T. F. ^{[1
]}

机构：

[1] Eindhoven Univ Technol, Dept Chem & Chem Engn, Proc Dev Grp, NL-5600 MB Eindhoven, Netherlands

[2] Eindhoven Univ Technol, Dept Appl Phys, NL-5600 MB Eindhoven, Netherlands

[3] Dolphys Med, NL-5612 AZ Eindhoven, Netherlands

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 33期

关键词：

BIOMEDICAL APPLICATIONS; FE3O4; NANOPARTICLES; AC-LOSSES; HYPERTHERMIA; FERROFLUIDS; SEPARATION;

D O I：

10.1021/jp903333r

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Commercially available superparamagnetic iron oxide nanoparticles (SPION) of 12 nm are characterized with respect to their physical, magnetic, and heating properties in ail alternating magnetic field. For this purpose, a specialized magnetic field setup has been developed and characterized. Particles of the water-based ferrofluid, EMG705, and particles coated for a hydrocarbon carrier have been investigated using several techniques, including transmission electron microscopy and superconducting quantum interference device magnetometry, showing the superparamagnetic behavior of the particles. The specific absorption rate of the particles has been confirmed to have square dependency oil the magnetic field strength. The difference in heating of the two samples could he explained by the difference in particles size distribution.

引用

页码：14638 / 14643

页数：6

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