PGSTE-WATERGATE : an STE-based PGSE NMR sequence with excellent solvent suppression

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    Abstract

    A new stimulated-echo based pulsed gradient spin-echo NMR diffusion sequence incorporating WATERGATE solvent suppression, PGSTE-WATERGATE, is presented. The sequence provides superb solvent suppression without any phase distortions. The sequence is simple to set up and particularly suited to measuring diffusion coefficients in aqueous solution such as is commonly required in pharmaceutical and combinatorial applications. The utility of the sequence is demonstrated on samples containing lysozyme and sucrose. Importantly, the high degree of phase-distortion suppression allows more complicated selective π pulses to be used to enhance the selectivity of solvent suppression.
    Original languageEnglish
    Pages (from-to)159-163
    Number of pages5
    JournalJournal of Magnetic Resonance
    Volume191
    Issue number1
    DOIs
    Publication statusPublished - 2008

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