Gadolinium-doped magnetite nanoparticles from a single-source precursor

An iron and gadolinium-containing bimetallic polynuclear complex was used as a single source precursor in the synthesis of gadolinium-doped magnetite nanoparticles (Gd:Fe 3 O 4 ). The synthesis produces well defined octahedral particles (12.6 ± 2.6 nm diameter) with a gadolinium content in the regio...

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Bibliographic Details
Published inRSC advances Vol. 6; no. 78; pp. 74500 - 74505
Main Authors Douglas, F. J., MacLaren, D. A., Maclean, N., Andreu, I., Kettles, F. J., Tuna, F., Berry, C. C., Castro, M., Murrie, M.
Format Journal Article
LanguageEnglish
Published 01.01.2016
Subjects
Absorption
Bimetals
Gadolinium
Magnetic fields
Magnetite
Nanoparticles
Precursors
Synthesis
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Summary:An iron and gadolinium-containing bimetallic polynuclear complex was used as a single source precursor in the synthesis of gadolinium-doped magnetite nanoparticles (Gd:Fe 3 O 4 ). The synthesis produces well defined octahedral particles (12.6 ± 2.6 nm diameter) with a gadolinium content in the region of 2 mol%. The nanoparticles showed a value of the specific absorption rate of 3.7 ± 0.6 W g Fe −1 under low-amplitude radiofrequency magnetic field excitation, and moderate biocompatibility, suggesting that these particles are viable candidates for magnetic hyperthermia applications.
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ISSN:2046-2069
2046-2069
DOI:10.1039/C6RA18095G