Heteronuclear double resonance in nuclear magnetic resonance spectroscopy: Relaxation of multiple-quantum coherences

被引：8
|
作者：
Ulzega, Simone [1 ]
Verde, Mariachiara [1 ]
Ferrage, Fabien [2 ]
Bodenhausen, Geoffrey [1 ,2 ]
机构：
[1] Ecole Polytech Fed Lausanne, Inst Sci & Ingenierie Chim, CH-1015 Lausanne, Switzerland
[2] Ecole Normale Super, CNRS, Dept Chim, F-75231 Paris 05, France
来源：
JOURNAL OF CHEMICAL PHYSICS | 2009年 / 131卷 / 22期
关键词：
ENDOR; Liouville equation; NMR spectroscopy; organic compounds; TRANSITION CROSS-POLARIZATION; CORRELATED TIME-MODULATION; ISOTROPIC CHEMICAL-SHIFTS; ROTATING-FRAME; DISPERSION EXPERIMENTS; SYNCHRONOUS-NUTATION; PULSE EXPERIMENTS; NMR-SPECTROSCOPY; PROTEINS; DYNAMICS;
D O I：
10.1063/1.3269044
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：
Theoretical and experimental investigations of the relaxation rates of multiple-quantum coherences during heteronuclear double resonance (HDR) pulse sequences are presented. Average Liouvillian theory yields analytical expressions to describe the effective relaxation rates of multiple-quantum coherences during HDR irradiation. Experiments were carried out on a C-13-H-1 pair in glycerol to measure the effective auto- and cross-relaxation rates of multiple-quantum coherences during HDR schemes. The experimental results exhibit a very good agreement with theoretical predictions, even when the average Liouvillian expansion is truncated to zeroth order.
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页数：9
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