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. 2019 Mar 1;9:1894. doi: 10.3389/fpls.2018.01894

FIGURE 4.

FIGURE 4

Techniques used to characterize cellulose polymorphism: (A) XRD, (B) NMR, (C) SFG, (D) IR, and (E) Raman. Reprinted by permission from RightsLink Permissions: Springer Nature. Cellulose. Cellulose polymorphism study with sum-frequency-generation (SFG) vibration spectroscopy: identification of exocyclic CH2OH conformation and chain orientation, Lee, C. M., Mittal, A., Barnette, A. L., Kafle, K., Park, Y. B., Shin, H., Johnson, D. K., Park, S., and Kim, S. H., Copyright © 2013.