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Abstract #3042

Characterization and flip angle calibration of 13C surface coils for hyperpolarization studies

Rie B Hansen1, Henrik Gutte2, Majbrit ME Larsen3, Annemarie T Kristensen3, Andreas Kjær2, Jan H Ardenkjær-Larsen1, and Adam E Hansen2

1Department of Electrical Engineering, Technical University of Denmark, Kgs. Lyngby, Denmark, 2Department of Clinical Physiology, Nuclear Medicine & PET and Cluster for Molecular Imaging, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark, 3Department of Veterinary Clinical and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg C, Denmark

The aim of the present work is to address the challenge of optimal flip angle calibration of 13C surface coils in hyperpolarization studies. To this end, we characterize the spatial profile of the flip angle and demonstrate that it allows for a simple calibration improving the signal-to-noise ratio for hyperpolarized 13C magnetic resonance spectroscopic imaging.

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