Heteronuclear dipolar recoupling in liquid crystals and solids by PISEMA-type pulse sequences

被引：60

作者：

Dvinskikh, SV ^{[1
]}

Zimmermann, H

Maliniak, A

Sandström, D

机构：

[1] Stockholm Univ, Arrhenius Lab, Div Phys Chem, SE-10691 Stockholm, Sweden

[2] Max Planck Inst Med Res, Dept Biophys, D-69120 Heidelberg, Germany

来源：

JOURNAL OF MAGNETIC RESONANCE | 2003年 / 164卷 / 01期

关键词：

heteronuclear recoupling; magic-angle spinning; cross-polarization; PISEMA; liquid crystals;

D O I：

10.1016/S1090-7807(03)00180-0

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A pulse sequence is described for the recoupling of heteronuclear dipolar interactions under MAS. The method is similar to the PISEMA experiment, but employs a well-defined amplitude modulation of one of the two radio-frequency fields. The technique is used for measurements of H-1-C-13 dipolar couplings in unoriented solid and liquid-crystalline samples. (C) 2003 Elsevier Science (USA). All rights reserved.

引用

页码：165 / 170

页数：6

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