Chemically Induced Dynamic Nuclear Polarization (CIDNP)

https://doi.org/10.1351/goldbook.C01079
Non-Boltzmann nuclear spin state distribution produced in thermal or photochemical reactions, usually from @[email protected] and @[email protected], or @[email protected] of @[email protected], and detected by NMR @[email protected] by enhanced absorption or emission signals.
Sources:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1097 [Terms] [Paper]
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2232 [Terms] [Paper]