对非二项式脉冲序列的二项式频率响应以实现高效水抑制。
Binomial frequency response to non-binomial pulse sequences for efficient water suppression.
作者信息
Sodano P, Delepierre M
机构信息
Laboratoire de Résonance Magnétique Nucléaire, Institut Pasteur, Paris, France.
出版信息
J Biomol NMR. 1993 Jul;3(4):471-7. doi: 10.1007/BF00176012.
This article reports on the use of short-hard pulse and spin-lock pulse combinations giving a binomial-like frequency response for the measurement of NMR spectra in aqueous solutions of quite dilute samples. The pulse sequence proposed provides excellent water suppression and does not introduce any linear or higher order phase errors. Application to the measurement of 2D NOESY data of a 0.25 mM solution of a double-stranded DNA fragment is presented.
本文报道了使用短硬脉冲和自旋锁定脉冲组合，其给出类似二项式的频率响应，用于测量相当稀的样品水溶液中的核磁共振谱。所提出的脉冲序列提供了出色的水抑制效果，并且不会引入任何线性或高阶相位误差。还展示了该方法在测量双链DNA片段的0.25 mM溶液的二维核Overhauser效应光谱（2D NOESY）数据中的应用。
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