The effect of magnetic nanoparticles on the acoustic properties of tissue-mimicking agar-gel phantoms

A. Józefczak, K. Kaczmarek, M. Kubovcikow, Z. Rozynek, T. Hornowski

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

In ultrasonic hyperthermia, ultrasound-induced heating is achieved by the absorption of wave energy and its conversion into heat. The effectiveness of ultrasounds can be improved by using sonosensitisers that greatly attenuate ultrasonic waves and then dissipate the acquired energy in the form of heat. One possible candidate for such a sonosensitiser are superparamagnetic iron oxide nanoparticles. Here, we used magnetic nanoparticles embedded in a tissue-mimicking agar-gel matrix. Such tissue-mimicking phantoms possess acoustic properties similar to those of real tissues, and are used as a tool for performance testing and optimisation of medical ultrasound systems. In this work, we studied the effect of magnetic nanoparticles on the acoustic properties of agar-gel phantoms, including the attenuation of ultrasonic waves.
Original languageEnglish
Pages (from-to)172-175
Number of pages4
JournalJournal of Magnetism and Magnetic Materials
Volume431
Early online date28 Sep 2016
DOIs
Publication statusPublished - 1 Jun 2017

Keywords

  • magnetic nanoparticles
  • tissue-mimicking phantom
  • ultrasonic properties
  • hyperthermia

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