Ultraviolet spectroscopy of fundamental lignin subunits: guaiacol, 4-methylguaiacol, syringol, and 4-methylsyringol.
Variation in the hierarchical structure of lignin-blended cellulose precursor fibers - ScienceDirect
About lignin Figure 3
Understanding the structure of lignin, the way nature makes it
NMR elucidation of nonproductive binding sites of lignin models with carbohydrate-binding module of cellobiohydrolase I, Biotechnology for Biofuels and Bioproducts
Understanding the structure of lignin, the way nature makes it
Multiseriate cortical sclerenchyma enhance root penetration in compacted soils
Lignin Structure and Reactivity in the Organosolv Process Studied by NMR Spectroscopy, Mass Spectrometry, and Density Functional Theory
Lignin based water-soluble fluorescent macromolecular probes for the detection of Fe3+ ion - ScienceDirect
The main substructures of lignin in the spectra (A: β-O-4