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J Magn Reson. 2004 Nov;171(1):20-4.

A homodecoupled diffusion experiment for the analysis of complex mixtures by NMR.

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  • 1Laboratorio Integral de Dinámica e Estructura de Biomoléculas José R. Carracido, Unidade de Resonancia Magnética, Edificio Cactus, RIAIDT, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.


Diffusion ordered spectroscopy (DOSY) relies on differences in translation diffusion as a means to separate components in a solution mixture. However, the analysis of spectra of mixtures can be problematic because spectral overlap. It is the aim of this article to propose a pulse sequence and processing method that leads to a complete 2D homodecoupled-DOSY experiment. This experiment offers several advantages that could extend the range of applications to more complex mixtures by achieving important improvements in both signal dispersion and sensitivity.

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