Insensitive Nuclei Enhanced by Polarization Transfer (INEPT) is a signal enhancement method used in NMR spectroscopy which involves the transfer of nuclear spin polarization from spins with large Boltzmann population differences to nuclear spins of interest with low Boltzmann population differences. INEPT uses J-coupling for the polarization transfer in contrast to Nuclear Overhauser Effect (NOE) which arises from dipolar cross-relaxation.
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