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Updated: Jul 4, 2025
09:08
Multiple-mouse Neuroanatomical Magnetic Resonance Imaging
Published on: February 27, 2011
15.8K
A proton birdcage coil integrated with interchangeable single loops for multi-nuclear MRI/MRS
Yi Zhang1,2,3, Zhiyan Quan3,4, Feiyang Lou3,4,5
1Department of Neurosurgery, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China.
Journal of Zhejiang University. Science. B
|February 2, 2024
Summary
This study introduces a novel multi-nuclear radiofrequency coil for magnetic resonance imaging and spectroscopy. The design enhances signal quality for both proton imaging and various nuclei, aiding in disease research.
Area of Science:
- Biophysics
- Medical Imaging
- Engineering
Background:
- Energy metabolism is vital for life and linked to numerous diseases.
- Magnetic Resonance Imaging (MRI) and Magnetic Resonance Spectroscopy (MRS) are powerful tools for studying biological systems.
- Current MRI/MRS coil technology can be limiting for multi-nuclei studies.
Purpose of the Study:
- To develop and validate a novel multi-nuclear radiofrequency (RF) coil for simultaneous structural imaging and energy metabolism detection.
- To improve signal-to-noise ratio (SNR) and signal-excitation homogeneity compared to existing commercial coils.
- To enable convenient switching between different nuclei for versatile research applications.
Main Methods:
- Utilized three-dimensional (3D) printing with polycarbonate via fused deposition modeling to fabricate the coil.
- Designed a multi-nuclear RF coil integrating a 1H birdcage coil with interchangeable X-nuclei (2H, 13C, 23Na, 31P) single-loop coils.
- Developed an arc bracket system for seamless switching between nuclei and improved animal handling.
Main Results:
- The proposed 1H birdcage coil demonstrated superior signal-excitation homogeneity and imaging SNR compared to a commercial coil.
- X-nuclei spectroscopy of phantom solutions showed excellent SNR.
- In vivo spectroscopy confirmed the coil's efficacy for simultaneous structural imaging and energy metabolism detection.
Conclusions:
- The developed 3D-printed multi-nuclear RF coil is effective for advanced MRI/MRS applications.
- This coil design offers enhanced performance and flexibility for studying energy metabolism and other biological processes.
- The technology facilitates simultaneous structural imaging and metabolic analysis across multiple nuclei.
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