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Stepped heating procedure for experimental SAR evaluation of ferrofluids

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Abstract

The aim of this paper is to present a reliable procedure for the experimental determination of the specific absorption rate (SAR) in case of superparamagnetic Fe oxide nanoparticles dispersed in liquid environments. It is based on the acquisition of consecutive steps of time-temperature dependences along of both heating and cooling processes. Linear fitting of these recorded steps provides the heating and cooling speeds at different temperatures, which finally allow the determination of the heating profile in adiabatic-like conditions over a broad temperature range. The presented methodology represents on one hand, a useful alternative tool for the experimental evaluation of the heating capability of nanoparticulate systems for magnetic hyperthermia applications and on the other hand, gives support for a more accurate modeling of bio-heat transfer phenomena.

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Authors and Affiliations

  1. National Institute for Lasers, Plasma and Radiation Physics, PO Box MG-36, 077125, Bucharest-Magurele, Romania

    N. Iacob & C. M. Ticos

  2. Faculty of Physics, University of Bucharest, 077125, Bucharest-Magurele, Romania

    N. Iacob

  3. National Institute of Materials Physics, PO Box MG-7, 077125, Bucharest-Magurele, Romania

    G. Schinteie, P. Palade & V. Kuncser

Authors
  1. N. Iacob
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  2. G. Schinteie
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  3. P. Palade
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  4. C. M. Ticos
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  5. V. Kuncser
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Correspondence to V. Kuncser.

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Iacob, N., Schinteie, G., Palade, P. et al. Stepped heating procedure for experimental SAR evaluation of ferrofluids. Eur. Phys. J. E 38, 57 (2015). https://doi.org/10.1140/epje/i2015-15057-8

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  • DOI: https://doi.org/10.1140/epje/i2015-15057-8

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