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学科主题: 基础医学
题名:
Interleaving gradient magnetic field method for diffusion weighted spectroscopy
作者: Gao Song1,2; Zu Zhong-Liang2; Bao Shang-Lian2
刊名: CHINESE PHYSICS LETTERS
发表日期: 2008
卷: 25, 期:1, 页:325-328
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
关键词[WOS]: BRAIN ; RESONANCE ; TIME
英文摘要:

Diffusion-weighted magnetic resonance spectroscopy (DWS) has considerable potential in clinical and research applications. However, it is seldom implemented in conventional magnetic resonance imaging (MRI) scanners due to the strict hardware requirements. We propose an interleaving gradient magnetic field (IGMF) method based on point resolved spectroscopy (PRESS). Four interlaced powerful diffusion sensitive gradient magnetic fields are positioned around the two pi refocusing rf pulses in the PRESS sequence. This method utilizes the interval time in the PRESS pulse sequence, doubles the duration time of the diffusion sensitive gradient magnetic field and decreases the detrimental effect of the induced eddy current. The results of theoretical analysis and experimental observation demonstrate that the IGMF method is suitable for conventional MRI scanners.

语种: 英语
WOS记录号: WOS:000252613500087
Citation statistics:
内容类型: 期刊论文
版本: 出版稿
URI标识: http://ir.bjmu.edu.cn/handle/400002259/58333
Appears in Collections:基础医学院_生物物理学系_期刊论文

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作者单位: 1.Peking Univ, Hlth Sci Ctr, Dept Med Phys, Beijing 100083, Peoples R China
2.Peking Univ, Sch Phys, Beijing City Key Lab Med Phys & Engn, Beijing 100871, Peoples R China

Recommended Citation:
Gao Song,Zu Zhong-Liang,Bao Shang-Lian. Interleaving gradient magnetic field method for diffusion weighted spectroscopy[J]. CHINESE PHYSICS LETTERS,2008,25(1):325-328.
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