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Abstract #3861

Temperature Dependence of the Electric Properties in MR Phantoms

Umberto Zanovello1, Wolfgang Kilian2, Adriano Troia1, Bernd Ittermann2, Alessandro Arduino1, and Luca Zilberti1
1Istituto Nazionale di Ricerca Metrologica (I.N.Ri.M.), Torino, Italy, 2Physikalisch-Technische Bundesanstalt (PTB), Braunschweig and Berlin, Germany


Phantom realization represents an important activity for the development and validation of advanced MR-based quantitative imaging techniques such as Magnetic Resonance Fingerprinting or Electrical Properties Tomography. In this regard, phantoms represent a reliable ground truth with the requirement that the sought properties are properly characterised in the variety of conditions at which the phantoms will be finally deployed. In this abstract, measurements of the electrical properties of two different gel-based tissue-mimicking materials are presented as a function of their temperature. A linear dependence with positive (negative) slope between temperature and electrical conductivity (relative permittivity) is observed.

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