High-resolution 2D NMR spectra in inhomogeneous fields via 3D acquisition

被引：2

作者：

Lin, Yanqin ^{[1
]}

Wei, Zhiliang ^{[1
]}

Zhang, Liandi ^{[1
]}

Lin, Liangjie ^{[1
]}

Chen, Zhong ^{[1
]}

机构：

[1] Xiamen Univ, Dept Elect Sci, Fujian Prov Key Lab Plasma & Magnet Resonance, State Key Lab Phys Chem Solid Surface, Xiamen 361005, Fujian, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2014年 / 599卷

关键词：

ZERO-QUANTUM-COHERENCE; MAGNETIC-FIELDS; IN-VIVO; SPECTROSCOPY; H-1-NMR; BRAIN; DIFFUSION; SECSY; B-0;

D O I：

10.1016/j.cplett.2014.03.019

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

High-resolution nuclear magnetic resonance (NMR) spectroscopy plays an important role in chemical studies. Here, a pulse sequence, based on coherence transfer module of tracking differences of precession frequencies of two spins and spin echo module, is proposed to obtain two dimension (2D) high-resolution NMR spectra via 3D acquisition under large field inhomogeneity. The proposed scheme composes of simple hard pulses and rectangle gradients. Resulting 2D spectra exhibit chemical shift differences and J coupling splittings in two orthogonal dimensions. The method developed here may offer a promising way for in situ high-resolution NMR studies on combinatorial chemistry. (C) 2014 Elsevier B. V. All rights reserved.

引用

页码：44 / 50

页数：7

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