Matches in SemOpenAlex for { <https://semopenalex.org/work/W2977125055> ?p ?o ?g. }
- W2977125055 endingPage "47" @default.
- W2977125055 startingPage "33" @default.
- W2977125055 abstract "Lignin is an essential cell wall component of lignocellulose. Unlike other major components such as cellulose and hemicellulose, lignin is a noncarbohydrate biopolymer and contributes to cell wall rigidity and hydrophobicity. Lignin’s unique properties contribute to the transportation of water and minerals in plants and protect against microbial attacks, while the latter property hinders the conversion of carbohydrates in lignocellulose. Also, its heterogeneity and structural complexity are major recalcitrance factors in biomass conversion. Various approaches (including genetically engineered plants, pulping, pretreatments, and fractionation processes) have been proposed to reduce and/or remove lignin for effective conversion of lignocellulose. Recently, interest in the biorefinery concept considers lignin as a potential feedstock in many applications; however, the technologies necessary to facilitate the economic production of many lignin-based products is still in its infancy. For the effective utilization of lignocellulose, understanding the physicochemical properties of lignin is the first and last step. It not only provides the key information about lignin structures in the original plant cell wall, conversion products, or residues, but also explains how the modification and/or conversion process affects lignin and biomass in general. Many different lignin characteristics, including physicochemical, morphological, and thermal properties, can be measured by diverse analytical techniques. This chapter introduces analytical methods that measure several essential physicochemical properties of lignin, such as molecular weights by gel permeation chromatography (GPC), quantitative and qualitative information of structural properties (interunit linkages and aromatic subunits) by one-dimensional and two-dimensional nuclear magnetic resonance (NMR), and hydroxyl group content by 31P NMR." @default.
- W2977125055 created "2019-10-03" @default.
- W2977125055 creator A5025247379 @default.
- W2977125055 creator A5038999513 @default.
- W2977125055 creator A5076933376 @default.
- W2977125055 date "2019-01-01" @default.
- W2977125055 modified "2023-09-30" @default.
- W2977125055 title "Measurement of Physicochemical Properties of Lignin" @default.
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