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Abstract #1626

A Structured MRI Phantom with the Magnetic Susceptibility of Air

Simon Gross 1 , Christoph Barmet 1,2 , Thomas Schmid 1 , and Klaas Paul Prssmann 1

1 Institute for Biomedical Engineering, ETH and University Zurich, Zurich, Switzerland, 2 Skope Magnetic Resonance Technologies, Zurich, Switzerland

By doping epoxide-resins with paramagnetic substances, solid materials with widely adjustable magnetic susceptibility can be produced. With this method, we built an MR phantom whose susceptibility is matched to air (including the liquid filling). It has the unique properties of not affecting the magnetic field homogeneity, neither internally nor externally, turning it into a versatile tool for sequence development and quality assurance in MR imaging and spectroscopy. Furthermore, the excellent mechanical properties of this material allow the construction of NMR equipment and consumables that are invisible within the magnetic field.

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