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Rotor synchronization of radiofrequency and gradient pulses in high-resolution magic angle spinning NMR.
Wieruszeski, J M; Montagne, G; Chessari, G; Rousselot-Pailley, P; Lippens, G.
Afiliación
  • Wieruszeski JM; UMR 8525 CNRS, Institut de Biologie de Lille, Institut Pasteur de Lille, Université de Lille II, 1 rue du Professeur Calmette, 59021 Lille Cedex, France.
J Magn Reson ; 152(1): 95-102, 2001 Sep.
Article en En | MEDLINE | ID: mdl-11531368
We have investigated the extent to which rotor synchronization of radiofrequency pulses leads to spectral improvement in high-resolution magic angle spinning NMR experiments. Several pulse sequences were tested, and the effect was found to be maximal in homonuclear TOCSY spectra. The physicochemical nature of the sample plays a role in the phenomenon, as rotor synchronization allows the refocusing of residual anisotropic interactions. However, even in a liquid sample the effects were visible. Radial inhomogeneities of the radiofrequency field were identified as an important source of the problem.
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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Espectroscopía de Resonancia Magnética Tipo de estudio: Prognostic_studies Idioma: En Revista: J Magn Reson Asunto de la revista: DIAGNOSTICO POR IMAGEM Año: 2001 Tipo del documento: Article País de afiliación: Francia Pais de publicación: Estados Unidos
Buscar en Google
Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Espectroscopía de Resonancia Magnética Tipo de estudio: Prognostic_studies Idioma: En Revista: J Magn Reson Asunto de la revista: DIAGNOSTICO POR IMAGEM Año: 2001 Tipo del documento: Article País de afiliación: Francia Pais de publicación: Estados Unidos