Fast nuclear magnetic resonance correlation spectroscopy without diagonal peaks: the "2-1" correlation spectroscopy.

Fast nuclear magnetic resonance correlation spectroscopy without diagonal peaks: the "2-1" correlation spectroscopy.
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DOI：
10.1063/1.2836264
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发表时间：
2008-02
期刊：
The Review of scientific instruments
影响因子：
--
通讯作者：
Huili Liu;B. Jiang;Maili Liu;X. Mao
Huili Liu;B. Jiang;Maili Liu;X. Mao
中科院分区：
其他
文献类型：
--
作者：
Huili Liu;B. Jiang;Maili Liu;X. Mao

文献摘要

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提出了一种快速核磁共振实验，用于测量对角峰完全去除或大部分抑制的相关光谱。这种新的脉冲序列基于双量子光谱，但采用延迟检测，使双量子相干有效地转化为单量子相干。因此，该脉冲序列可命名为“2-1”COSY。
A fast NMR experiment is proposed for measuring correlation spectroscopy (COSY) spectra with diagonal peaks completely removed or largely suppressed. This new pulse sequence is based on double quantum spectroscopy but with delayed detection, so that the double quantum coherence is effectively transferred to single quantum coherence. Therefore, the pulse sequence can be named "2-1" COSY.