Multiturn Planar Inductor for the Improvement of Signal-to-Noise Ratio Response in Magnetic Resonance Microscopyopen access
- Authors
- Song, Byung-Pan; Kim, Hyeong-Seop; Yoon, Sung-Jun; Hernandez, Daniel; Kim, Kyoung-Nam; Lee, Seung-Kyun
- Issue Date
- Jul-2022
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Magnetic resonance imaging (MRI); microscopy; signal-to-noise ratio (SNR); radiofrequency (RF); multiturn planar inductor (MTPI)
- Citation
- IEEE ACCESS, v.10, pp.78643 - 78649
- Journal Title
- IEEE ACCESS
- Volume
- 10
- Start Page
- 78643
- End Page
- 78649
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/85255
- DOI
- 10.1109/ACCESS.2022.3189992
- ISSN
- 2169-3536
- Abstract
- In this study, we propose a novel, multiturn histology coil for microscopic magnetic resonance (MR) imaging of histological tissue slices with substantially higher signal-to-noise-ratio (SNR) outcomes compared with previously developed coils. We performed electromagnetic simulations of the proposed coils and acquired MR images from a gelatin phantom and a rat brain slice with the implemented coils. The performances of the coils were evaluated by comparing the measured and simulated radio-frequency transmission (B-1(+)) fields in a flip-angle map form, and with low flip-angle gradient echo images to calculate the SNR increase as a function of the number of turns (n) of the coils. This study was performed on a 3 T MR imaging system. The proposed coil with n = 7 achieved SNR greater than 3.5 times that of a single-turn coil while preserving the highly uniform B-1(+) field across the imaging region. The proposed method provides new possibilities for high-resolution MR imaging of microscopic tissue samples for biomedical applications.
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