<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The complex magnetic susceptibility χ(f) = χ′(f) - i χ″(f), of a ferrofluid sample with magnetite particles dispersed in kerosene and stabilized with oleic acid, over the range 0.1 GHz to 6 GHz, was determined. The initial sample has been successively diluted with kerosene (with a dilution rate of 2/3), thus obtaining further three samples. Using the complex magnetic susceptibility measurements of each sample, the frequency field and particle concentration dependencies of the heating rate of the ferrofluid samples, were analyzed. The results show the possibility of using the heating rate of ferrofluid samples with different particle concentrations, in hyperthermia applications.</p></abstract>

The complex magnetic susceptibility χ(f) = χ′(f) - i χ″(f), of a ferrofluid sample with magnetite particles dispersed in kerosene and stabilized with oleic acid, over the range 0.1 GHz to 6 GHz, was determined. The initial sample has been successively diluted with kerosene (with a dilution rate of 2/3), thus obtaining further three samples. Using the complex magnetic susceptibility measurements of each sample, the frequency field and particle concentration dependencies of the heating rate of the ferrofluid samples, were analyzed. The results show the possibility of using the heating rate of ferrofluid samples with different particle concentrations, in hyperthermia applications.

The Effect of Particle Concentration on the Heating Rate of Ferrofluids for Magnetic Hyperthermia

West University of Timisoara, Faculty of Physics, B-dul V. Pârvan, no. 4, 1900 Timisoara, Romania

Department of Electronic and Electrical Engineering, Trinity College, Dublin 2, Ireland

West University of Timisoara, Faculty of Physics, B-dul V. Parvan, no. 4, 1900 Timisoara, Romania

Annals of West University of Timisoara - Physics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The complex magnetic susceptibility χ(f) = χ′(f) - i χ″(f), of a ferrofluid sample with magnetite particles dispersed in kerosene and stabilized with oleic...

The Effect of Particle Concentration on the Heating Rate of Ferrofluids for Magnetic Hyperthermia

Publié en ligne: 30 déc. 2015

Pages: 81 - 88

Reçu: 19 oct. 2015

Accepté: 21 nov. 2015

DOI: https://doi.org/10.1515/awutp-2015-0210

© 2016

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.