Double quantum two-dimensional Fourier transform electron spin resonance: Distance measurements

被引：106

作者：

Saxena, S

Freed, JH

机构：

[1] Baker Laboratory of Chemistry, Cornell University, Ithaca

来源：

CHEMICAL PHYSICS LETTERS | 1996年 / 251卷 / 1-2期

基金：

美国国家卫生研究院;

关键词：

D O I：

10.1016/0009-2614(96)00075-9

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：

The first double quantum two-dimensional Fourier transform electron spin resonance (2D-FT ESR) experiments are reported. Extension of 2D-FT ESR to enable detection of the Delta M(s) = +/-2 transition enhances the capability of ESR in studying structural properties (i.e. distances in bilabeled molecules). A distance of 21 Angstrom was found for a poly-proline peptide, spin labeled at both ends, in agreement with earlier measurements using fluorescence energy transfer.

引用

收藏

页码：102 / 110

页数：9

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