Chemically induced dynamic nuclear polarization

{
  "id": "MLC-T-CHM-001976",
  "term": "Chemically induced dynamic nuclear polarization",
  "field": "Chemistry",
  "definition": "A non-equilibrium nuclear spin state polarization observed in nuclear magnetic resonance (NMR) spectra during or immediately after certain chemical reactions. This phenomenon results in strongly enhanced absorption or emission signals for specific nuclei in the reaction products. The effect arises from the spin-sorting mechanism that occurs in radical pair intermediates, providing detailed insight into radical reaction pathways.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "colligation",
    "diffusion",
    "disproportionation",
    "radical pair",
    "spectroscopy"
  ],
  "references": [
    "PAC, 1994, 66, 1077. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)' on page 1097 (https://doi.org/10.1351/pac199466051077)",
    "PAC, 1996, 68, 2223. 'Glossary of terms used in photochemistry (IUPAC Recommendations 1996)' on page 2232 (https://doi.org/10.1351/pac199668122223)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/chemically-induced-dynamic-nuclear-polarization/"
}