X-nuclear MRS imaging (MRSI) plays critical roles in studying cellular energy metabolism in health and diseases. However, it requires one 1H coil for structural imaging and B0 shimming and another coil for X-nuclear MRS, leading to coil coupling and performance degradation. Here we developed a simple, low-cost technique to construct dual-frequency surface coil(s) operating at proton and X-nuclear frequencies. For the proof of concept, we conducted 1H MRI and 2H MRSI study at 16.4T; and more importantly, we made a two-channel dual-frequency transceiver coil array to demonstrate the potential for large volume imaging at ultrahigh field.
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