Dynamic nuclear polarization 2 Dynamic nuclear polarization (DNP) Isotopes 2 Nuclear magnetic resonance spectroscopy 2 Active pharmaceutical ingredients 1 Active pharmaceuticals ingredients 1 Cellulose 1 Complete resonance 1 Density functional theory 1 Intermolecular packing 1 Isotopic abundances 1 Light polarization 1 Lignin 1 Lignocellulose materials 1 Magic angle spinning 1 Molecules 1 NMR crystallography 1 Natural isotopic abundance 1 Nuclear Magnetic Resonance 1 Nuclear magnetic resonance 1 Oryza sativa 1 Pharmaceutical drugs 1 Plant Tissues 1 Plant cell culture 1 Plant cell wall 1 Polysaccharide structure 1 Resolution 1 Resonance assignments 1 Sensitivity 1 Sensitivity enhancements 1