A dedicated eight-channel receive RF coil array for monkey brain MRI at 9.4 T
文献类型：期刊论文
| 作者 | Li, Mingyan5; Li, Yu5; Jin, Jin5,6; Yang, Zhengyi5,7 ; Zhang, Baogui7; Liu, Yanyan7; Song, Ming3,7,8; Freakly, Craig5; Weber, Ewald5; Liu, Feng5
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| 刊名 | NMR IN BIOMEDICINE
 |
| 出版日期 | 2020-07-30 |
| 页码 | 16 |
| 关键词 | applications array coils computational electromagnetics diffusion-weighted imaging MR engineering neurological parallel imaging |
| ISSN号 | 0952-3480 |
| DOI | 10.1002/nbm.4369 |
| 通讯作者 | Li, Mingyan(mingyan@itee.uq.edu.au) |
| 英文摘要 | The neuroimaging of nonhuman primates (NHPs) realised with magnetic resonance imaging (MRI) plays an important role in understanding brain structures and functions, as well as neurodegenerative diseases and pathological disorders. Theoretically, an ultrahigh field MRI (>= 7 T) is capable of providing a higher signal-to-noise ratio (SNR) for better resolution; however, the lack of appropriate radiofrequency (RF) coils for 9.4 T monkey MRI undermines the benefits provided by a higher field strength. In particular, the standard volume birdcage coil at 9.4 T generates typical destructive interferences in the periphery of the brain, which reduces the SNR in the neuroscience-focused cortex region. Also, the standard birdcage coil is not capable of performing parallel imaging. Consequently, extended scan durations may cause unnecessary damage due to overlong anaesthesia. In this work, assisted by numerical simulations, an eight-channel receive RF coil array was specially designed and manufactured for imaging NHPs at 9.4 T. The structure and geometry of the proposed receive array was optimised with numerical simulations, so that the SNR enhancement region was particularly focused on monkey brain. Validated with rhesus monkey and cynomolgus monkey brain images acquired from a 9.4 T MRI scanner, the proposed receive array outperformed standard birdcage coil with higher SNR, mean diffusivity and fractional anisotropy values, as well as providing better capability for parallel imaging. |
| WOS关键词 | NOISE RATIO ; FIELD MRI ; RESONANCE ; DIFFUSION ; CORTEX ; FMRI ; INSIGHTS ; TRANSMIT ; TRACKING ; INJURY |
| 资助项目 | National Natural Science Foundation of China[81471380] ; National Natural Science Foundation of China[81671855] ; Queensland-Chinese Academy of Sciences (QCAS) Collaborative Science Fund |
| WOS研究方向 | Biophysics ; Radiology, Nuclear Medicine & Medical Imaging ; Spectroscopy |
| 语种 | 英语 |
| WOS记录号 | WOS:000553576800001 |
| 出版者 | WILEY |
| 资助机构 | National Natural Science Foundation of China ; Queensland-Chinese Academy of Sciences (QCAS) Collaborative Science Fund |
| 源URL | [http://ir.ia.ac.cn/handle/173211/40301]  |
| 专题 | 自动化研究所_脑网络组研究中心 |
| 通讯作者 | Li, Mingyan |
| 作者单位 | 1.Univ Elect Sci & Technol China, Sch Life Sci & Technol, Minist Educ, Key Lab NeuroInformat, Chengdu, Peoples R China 2.Univ Queensland, Queensland Brain Inst, Brisbane, Qld, Australia 3.Univ Chinese Acad Sci, Beijing, Peoples R China 4.Chinese Acad Sci, CAS Ctr Excellence Brain Sci & Intelligence Techn, Inst Automat, Beijing, Peoples R China 5.Univ Queensland, Sch Informat Technol & Elect Engn, Brisbane, Qld 4072, Australia 6.Siemens Healthcare Pty Ltd, Bowen Hills, Qld 4006, Australia 7.Chinese Acad Sci, Brainnetome Ctr, Inst Automat, Beijing, Peoples R China 8.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Mingyan,Li, Yu,Jin, Jin,et al. A dedicated eight-channel receive RF coil array for monkey brain MRI at 9.4 T[J]. NMR IN BIOMEDICINE,2020:16. |
| APA | Li, Mingyan.,Li, Yu.,Jin, Jin.,Yang, Zhengyi.,Zhang, Baogui.,...&Crozier, Stuart.(2020).A dedicated eight-channel receive RF coil array for monkey brain MRI at 9.4 T.NMR IN BIOMEDICINE,16. |
| MLA | Li, Mingyan,et al."A dedicated eight-channel receive RF coil array for monkey brain MRI at 9.4 T".NMR IN BIOMEDICINE (2020):16. |
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来源：自动化研究所
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