Advances in The Nuclear Overhauser Effect (NOE) and NOESY for Structural and Dynamic Molecular Analysis

The Nuclear Overhauser Effect (NOE) remains one of the most insightful phenomena in Nuclear Magnetic Resonance (NMR) spectroscopy for probing through-space spin–spin interactions. Its two-dimensional implementation, Nuclear Overhauser Effect Spectroscopy (NOESY), revolutionized molecular structure determination by allowing spatial correlation mapping at the atomic level. In recent decades, NOE-based methods have evolved from qualitative distance probes to quantitative tools integrated with computational modeling, dynamic analysis, and supramolecular chemistry. This research-oriented review consolidates theoretical foundations, modern experimental innovations, and emerging hybrid approaches combining NOE with hyperpolarization, relaxation dispersion, and molecular dynamics simulations. Emphasis is placed on the current research challenges, methodological improvements, and future opportunities for NOE-based spectroscopy in structural biology, materials science, and molecular engineering.

Nuclear Overhauser Effect, NOESY, Nuclear Magnetic Resonance Spectroscopy, Structural Biology, Molecular Dynamics

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