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Improved WATERGATE pulse sequences for solvent suppression in NMR spectroscopy
Liu, ML; Mao, XA; Ye, CH; Huang, H; Nicholson, JK; Lindon, JC
AbstractModifications to the WATERGATE method for removing the solvent resonance from H-1 NMR spectra are presented. In the conventional WATERGATE, a pulse train with three pairs of symmetric pulses in the form 3 alpha-tau-9 alpha-tau-19 alpha-tau-19 alpha-tau-9 alpha-tau-3 alpha (designated here W3), where 26 alpha = 180 degrees, is used, while the improved versions use four and five pairs of symmetric pulses (designated here W4 and W5), respectively. The modified methods provide narrower noninversion regions and hence enhance the sensitivities of the peaks close to the water resonance. The inversion and suppression profiles of the pulse trains W3, W4, and W5 are compared theoretically and experimentally and good agreement is obtained. (C) 1998 Academic Press.
KeywordNmr Solvent Suppression Pulsed Field Gradients Watergate Proton Exchange
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences ; Technology
Indexed BySCI
WOS Research AreaBiochemistry & Molecular Biology ; Physics ; Spectroscopy
WOS SubjectBiochemical Research Methods ; Physics, Atomic, Molecular & Chemical ; Spectroscopy
WOS IDWOS:000073981300015
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Cited Times:381[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Univ London Birkbeck Coll, Dept Chem, London WC1H 0PP, England
2.NW Univ Xian, Instrumental Anal Res Ctr, Xian 710069, Peoples R China
3.Chinese Acad Sci, Wuhan Inst Phys & Math, Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China
Recommended Citation
GB/T 7714
Liu, ML,Mao, XA,Ye, CH,et al. Improved WATERGATE pulse sequences for solvent suppression in NMR spectroscopy[J]. JOURNAL OF MAGNETIC RESONANCE,1998,132(1):125-129.
APA Liu, ML,Mao, XA,Ye, CH,Huang, H,Nicholson, JK,&Lindon, JC.(1998).Improved WATERGATE pulse sequences for solvent suppression in NMR spectroscopy.JOURNAL OF MAGNETIC RESONANCE,132(1),125-129.
MLA Liu, ML,et al."Improved WATERGATE pulse sequences for solvent suppression in NMR spectroscopy".JOURNAL OF MAGNETIC RESONANCE 132.1(1998):125-129.
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