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政大機構典藏 > 理學院 > 應用物理研究所 > 期刊論文 > Item 140.119/65810

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/65810

Title:	Anomalous J-modulation effects on amino acids in clinical 3T MR spectroscopy
Authors:	蔡尚岳 Tsai, Shang-Yueh
Contributors:	應物所
Date:	2008.10
Issue Date:	2014-05-01 17:53:49 (UTC+8)
Abstract:	The signal-intensity loss from anomalous J-modulation effects due to chemical-shift displacement was investigated on amino acid groups (alanine, valine, leucine, and isoleucine) at 3T by using point-resolved 1H spectroscopy in patients with brain abscess and phantom experiments. With a larger chemical shift between methyl and methine resonances, alanine shows a greater effect of signal-intensity cancellation compared with other amino acids around 0.9 ppm, resulting in noninverted doublets at a TE of 144 ms.
Relation:	Am J Neuroradiol, 29(9), 1644-1648
Data Type:	article
Appears in Collections:	[應用物理研究所 ] 期刊論文

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