Overhauser effect

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Overhauser effect

[′ō·vər‚hau̇z·ər i‚fekt]
(atomic physics)
The effect whereby, if a radio frequency field is applied to a substance in an external magnetic field, whose nuclei have spin ½ and which has unpaired electrons, at the electron spin resonance frequency, the resulting polarization of the nuclei is as great as if the nuclei had the much larger electron magnetic moment.
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The transferred nuclear overhauser effect (TrNOESY) NMR spectroscopy is a good method to determine the structure of the bound NaAD.

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