波谱学杂志

• 研究论文 • 上一篇    下一篇

精确测量慢魔角旋转条件下碳氢偶极谱

沈伊民1~4,陈士明1*,刘午阳2,金桂东1,土屈井文敬3   

  1. 1.复旦大学分析测试中心,上海 200433; 2.中国科学院武汉物理与教学研究所,湖北武汉 430071; 3.日本京都大学化学研究所,京都 611-011; 4.美国州立韦恩大学医学院放射系,底特律48201
  • 收稿日期:2002-07-12 修回日期:2002-09-04 出版日期:2003-03-05 发布日期:2003-03-05
  • 作者简介:沈伊民(1961-),男,江苏江阴人,副教授,博士,现从事医学核磁共振影像学及波谱学研究.
  • 基金资助:

    This work was financially supported by grant from the NSFC(29974006), by the SRF for the ROCS from the SEM and by the Laboratory of MRAMP.

PRECISE MEASUREMENTS OF 13C-1H DIPOLAR SPECTRA UNDER SLOW MAGIC ANGLE SPINNING

SHEN Yi-min1~4, CHEN Shi-ming1*, LIU Wu-yang2, JIN Gui-dong1,HORII Fumilaka3   

  1. 1.Center of Analysis and Measurement, Fudan University, Shanghai 200433, China; 2.Laboratory of Magnetic Resonance and Atomic and Molecular Physics, and Mathem atics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China; 3.Institute for Chemical Research, Kyoto University, Kyoto 611-0011, Japan; 4.Department of Radiology, Wayne State University School of Medicine, Detroit, MI 48201, USA
  • Received:2002-07-12 Revised:2002-09-04 Online:2003-03-05 Published:2003-03-05
  • About author:沈伊民(1961-),男,江苏江阴人,副教授,博士,现从事医学核磁共振影像学及波谱学研究.
  • Supported by:
    This work was financially supported by grant from the NSFC(29974006), by the SRF for the ROCS from the SEM and by the Laboratory of MRAMP.

摘要:

发展了精确测量二维固体魔角旋转条件下碳氢偶极谱的方法,用以分析固体高分子分子运动,并给出了全同立构聚丙烯的实验谱.

关键词:

Abstract:

A 2D MAS NMR method has been presented for precise measurements of 13C-1H dipolar spectra. On the basis of the exact solution of a MAS FID in two-site exchange, the 13C-1H spectra can be used to analyze molecular motion in solids.

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