Selective One-Dimensional 13C-13C spin-diffusion solid-state nuclear magentic resonance methods to probe spatial arrangements in biopolyers including plant cell walls, peptides, and spider silk Authors Addison, Bennett; Stengel, Dillian; Bharadwaj, Vivek S.; Happs, Renee M.; Doeppke, Crissa; Wang, Tuo; Bomble, Yannick J.; Holland, Gregory P.; and Harman-Ware, Anne F. Journal-Book The Journal of Physical Chemistry B Year 2020