Quantitative study of longitudinal relaxation related to intermolecular dipolar interactions in solution NMR

被引：25

作者：

Chen, Z

Chen, ZW

Zhong, JH

机构：

[1] Univ Rochester, Dept Radiol, Rochester, NY 14642 USA

[2] Univ Rochester, Dept Biomed Engn, Rochester, NY 14642 USA

[3] Xiamen Univ, Dept Chem, State Key Lab Phys Chem Solid Surface, Xiamen 361005, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2001年 / 333卷 / 1-2期

关键词：

D O I：

10.1016/S0009-2614(00)01339-7

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：

Longitudinal relaxation related to intermolecular dipolar interactions was investigated by solution NMR. A novel pulse sequence with selective pre-saturation and selective excitation was designed for a highly polarized two-component spin system. A general analytical expression for the longitudinal relaxation was derived from a combination of the demagnetizing field theory and product operator formalism. The analytical expression suggests that the longitudinal relaxation is not a mono-exponential process. The predicted relaxation relationship is in excellent agreement with the experimental recovery curves. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：126 / 132

页数：7

共 27 条

[1] The nonlinear stimulated echo in the presence of inequivalent spins [J].