Abstract #4417

A simple frequency selectable method controlled by PIN diode in the double layered multi-nuclei RF coil at 7T

Sang-Doc Han¹, Hyunwoo Song¹, Phil Heo¹, Han-Joong Kim¹, Donghyuk Kim², Yeonjin Choi³, Yeunchul Ryu⁴, and Kyoung-Nam Kim³

¹Department of Health Sciences and Technology, Gachon University, Incheon, Korea, Republic of, ²Neuroscience Research Institute, Gachon University, Incheon, Korea, Republic of, ³Department of Biomedical engineering, Gachon University, Incheon, Korea, Republic of, ⁴Department of Radiological Science, Gachon University, Incheon, Korea, Republic of

With the facilitated approach of ultra-high frequency (UHF, over 7T) magnetic resonance imaging (MRI) system, multi-nuclei (MN)-MRI can be regarded as one of critical means for diagnose due to its capability of acquiring non-invasive metabolic information^1,
2. In this study, a radiofrequency (RF) coil that can selectively receive two nuclei signals, the proton (¹H) and the sodium (²³Na), by controlling PIN diodes is proposed. Since ¹H images show clear anatomical structure where ²³Na show critical in-vivo metabolisms, acquired MN magnetic resonance (MR) images using the proposed MN RF coil have capabilities to assist diagnose visually³.

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