17O NMR of water in ordered environments
作者： Bill Wickstead , Stuart M. Grieve , Stephen Wimperis
DOI: 10.1016/S0301-4622(98)00154-9
关键词: Analytical chemistry 、 Selective excitation 、 Tissue sample 、 Residual 、 Filtration 、 Spin (physics) 、 NMR spectra database 、 Chemistry
摘要: Abstract Two NMR experiments are designed for selective excitation of spin I =5/2 nuclei that exhibit residual quadrupolar splittings. The Jeener–Broekaert experiment is preferred to the four-quantum filtration as it shown be a more sensitive technique in experimental practice. Both techniques applied 17 O-enriched water biological systems. occurrence which displays O splitting demonstrated first time model system and an excised tissue sample. resulting spectra have characteristics predicted computer-simulated spectra.
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