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Abstract #1447

An electronically tunable X-nuclei surface coil with high impedance broadband LNA

Andreas Horneff1, Michael Eder1, Erich Hell2, Johannes Ulrici3, Benedikt Schlecker4, Jens Anders4, and Volker Rasche1

1Experimental Cardiovascular MRI, Ulm University Medical Center, Ulm, Germany, 2GM, Sirona Dental Systems, Bensheim, Germany, 3GME, Sirona Dental Systems, Bensheim, Germany, 4Institute of Smart Sensors, University of Stuttgart, Stuttgart, Germany

In this approach, we present an electronically tunable surface coil in combination with a high impedance broadband LNA for X-nuclei MRI experiments with a bandwidth between 34MHz and 104MHz. The performance of the approach was evaluated by comparison with a state of the art LNA / surface coil reference setup for hydrogen and fluorine imaging. The resulting SNR reduction was less than 4% and a mean value and standard deviation of the relative error of the sensitivity map between the reference setup and the proposed setup of µ=0.4% and σ=1.4% was observed.

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