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Abstract #2520

Multi-layered radiofrequency coil design for X-nuclei Imaging

Tony Zhou1,2, Justin Lau1,2, Andrew Tyler1,2, Chris Randell3, Jack Miller1,2,4, and Damian Tyler1,2

1Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, United Kingdom, 2Oxford Centre for Clinical Magnetic Resonance Research, University of Oxford, Oxford, United Kingdom, 3Pulse Teq Ltd, Woking, United Kingdom, 4Department of Physics, University of Oxford, Oxford, United Kingdom

A novel multi-layered radiofrequency coil for X-nuclei imaging is presented which implements stacked layers for improved B1+ and SNR. The multi-layer design increased B1+ by 27% in 23Na phantom experiments and 19% in electromagnetic simulations compared to a single layer coil. Transmit-receive efficiency for a 13C multi-layer coil was double that of a quadrature coil, requiring half the power to achieve a 90° flip. An averaged SNR map from CSI indicated receive sensitivity gain of 33% from the quadrature to multi-layer design.

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