NMR Frequency Shift under Sample Spinning |
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| Institution: | 2. Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada;1. Department of Radiology, University of California, San Diego, United States;2. Department of Pathology, University of California, San Francisco, United States;3. Department of Neurosciences, University of California, San Diego, United States;1. The Children''s Hospital of Philadelphia, Philadelphia, PA, United States of America;2. University of Chicago Medicine and Biological Sciences, Chicago, IL, United States of America |
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| Abstract: | It is shown that, by using an RF coil of suitable shape, sample spinning around an axis parallel to the main field produces a shift of the NMR resonance frequency. This effect is experimentally verified on1H and119Sn in liquid samples. A general discussion of sample spinning and frequency shift is given in connection with the rotating-frame picture. Several possible applications are described. |
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