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https://ah.lib.nccu.edu.tw/handle/140.119/65810
題名: | Anomalous J-modulation effects on amino acids in clinical 3T MR spectroscopy | 作者: | 蔡尚岳 Tsai, Shang-Yueh |
貢獻者: | 應物所 | 日期: | 2008 | 上傳時間: | 1-May-2014 | 摘要: | 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. | 關聯: | Am J Neuroradiol, 29(9), 1644-1648 | 資料類型: | article |
Appears in Collections: | 期刊論文 |
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