Magn Reson Med. 1989 Jan;9(1):118-25.

Water suppression with B0 field gradient homospoil pulses in high-resolution NMR spectroscopy.

Brereton IM, Field J, Moxon LN, Irving MG, Doddrell DM.

Source

Department of Chemistry, University of Queensland, St. Lucia, Australia.

Abstract

The combination of a frequency nonselective excitation suppression method (1331 sequence) with selective excitation followed by gradient-induced dephasing of water transverse magnetization yielded suppression ratios of greater than 10,000:1. The need for gradient preemphasis and correction of B0 field shifts is discussed. The suppression efficiency of this method compared favorably to results obtained using the CPMG spin-echo technique to observe metabolite resonances in a urine sample.

PMID:: 2709990; [PubMed - indexed for MEDLINE]

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Research Support, Non-U.S. Gov't

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Water

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Water suppression with B0 field gradient homospoil pulses in high-resolution NMR spectroscopy.

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