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  1. Measurement of moisture-dependent ion diffusion constants in wood cell wall layers using time-lapse micro X-ray fluorescence microscopy

    Our future bioeconomy depends on increased utilization of renewable lignocellulosic biomass. Controlling the diffusion of chemicals, such as inorganic ions, within secondary plant cell walls is central to many biomass applications. However, insufficient understanding of intra-cell-wall diffusion within secondary plant cell walls is hindering the advancement of many...

    Author(s):
    Joseph E. Jakes; Samuel L. Zelinka; Christopher G. Hunt; Peter Ciesielski; Charles R. Frihart; Daniel Yelle; Leandro Passarini; Sophie-Charlotte Gleber; David Vine; Stefan Vogt
    Year:
    2020
    Keywords:
    Diffusion, wood, X-ray fluorescence microscopy, ionic conductivity
    Source:
    Scientific Reports. 10(1): 484. 15 p.

  2. Two-Dimensional NMR Evidence for Cleavage of Lignin and Xylan Substituents in Wheat Straw Through Hydrothermal Pretreatment and Enzymatic Hydrolysis

    Solution-state two-dimensional (2D) nuclear magnetic resonance (NMR) spectroscopy of plant cell walls is a powerful tool for characterizing changes in cell wall chemistry during the hydrothermal pretreatment process of wheat straw for second-generation bioethanol production. One-bond 13C-1H NMR correlation spectroscopy, via...

    Author(s):
    Daniel J. Yelle; Prasad Kaparaju; Christopher G. Hunt; Kolby Hirth; Hoon Kim; John Ralph; Claus Felby
    Year:
    2012
    Keywords:
    wheat straw, hydrothermal, lignin, polysaccharides, O-acetyls, β-aryl ethers, Uronic acids, Cinnamates
    Source:
    Bioenerg. Res
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