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 @C01153@ and @D01716@, or @D01799@ of @R05074@, and detected by NMR @S05848@ 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]