National High Magnetic Field Laboratory 1 article published in JoVE Biochemistry Preparation of Fungal and Plant Materials for Structural Elucidation Using Dynamic Nuclear Polarization Solid-State NMR Alex Kirui*1, Malitha C. Dickwella Widanage*1, Frederic Mentink-Vigier2, Ping Wang3, Xue Kang1, Tuo Wang1 1Department of Chemistry, Louisiana State University, 2National High Magnetic Field Laboratory, 3Departments of Pediatrics, and Microbiology, Immunology and Parasitology, Louisiana State University Health Sciences Center A protocol for preparing 13C,15N-labeled fungal and plant samples for multidimensional solid-state NMR spectroscopy and dynamic nuclear polarization (DNP) investigations is presented.