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Immobilization of a target protein enhances the cross-relaxation rates for transfer of nuclear spin polarization but reduces the accessible target concentration. Hyperpolarization of ligand spins by dissolution dynamic nuclear polarization (D-DNP) is shown to increase sensitivity for observing the intraligand nuclear Overhauser effect (NOE). This effect, also known as the transferred NOE (trNOE), can be used for detection of binding and for obtaining binding-related structural information. The measurement of hyperpolarized trNOE signals