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Articles by Debkumar Debnath
Decoding the Structural Complexity of Fungal α- and β-Glucan Matrix via Statistical Analysis of Solid-State NMR Chemical Shifts
1 Introduction The fungal cell wall is an essential, multifunctional organelle that defines cell shape, provides mechanical protection, and mediates interactions with host immune systems during invasive infections.[1, 2] Rather than being a static barrier, it is a highly dynamic and adaptive structure whose composition and architecture vary across species, developmental stages, and environmental conditions.[3] Polysaccharides constitute the dominant structural framework of the fungal cell...
Precursor-Dependent Routing of Aromatic Amino Acids Determines Lignin Structure in Grasses by Sensitivity-Enhanced Solid-State NMR Click to copy article link Article link copied!
Introduction Click to copy section linkSection link copied! Lignin is one of the most structurally complex and abundant biopolymers in terrestrial plant biomass, second only to cellulose. (1,2) Located in the secondary cell walls of vascular plants, it provides mechanical support, hydrophobicity for water transport, and defense against pathogens.
Precursor-Dependent Routing of Aromatic Amino Acids Determines Lignin Structure in Grasses by Sensitivity-Enhanced Solid-State NMR Click to copy article link Article link copied!
Introduction Click to copy section linkSection link copied! Lignin is one of the most structurally complex and abundant biopolymers in terrestrial plant biomass, second only to cellulose. (1,2) Located in the secondary cell walls of vascular plants, it provides mechanical support, hydrophobicity for water transport, and defense against pathogens.
Rapid High-Resolution Analysis of Polysaccharide-Lignin Interactions in Secondary Plant Cell Walls Using Proton-Detected Solid-State NMR
Introduction Click to copy section linkSection link copied! The plant secondary cell wall is a chemically complex and structurally heterogeneous matrix that provides mechanical reinforcement, hydrophobicity, and resistance to biotic and abiotic stresses. (1,2) It is synthesized following the cessation of cell expansion, forming an intricate network primarily composed of three types of biopolymers.
Rapid High-Resolution Analysis of Polysaccharide-Lignin Interactions via Proton-Detected Solid-State NMR with Application to Eucalyptus and Spruce
Abstract The plant secondary cell wall, a complex matrix composed of cellulose, hemicellulose, and lignin, is crucial for the mechanical strength and water-proofing properties of plant tissues, and serves as a primary source of biomass for biorenewable energy and biomaterials. Structural analysis of these polymers and their interactions within the secondary cell wall has been heavily relying on 13C-based solid-state NMR techniques.
A fundamental study of lignin reactions with formaldehyde and glyoxal
A fundamental study of lignin reactions with formaldehyde and glyoxal† This study investigates the synthesis and characterization of lignin-formaldehyde (LF) and fully biobased lignin-glyoxal (LG) resins as alternatives to the phenol-formaldehyde (PF) adhesive currently used in the manufacturing of plywood and oriented strand boards (OSB).
Emergence of Lignin-Carbohydrate Interactions During Plant Stem Maturation Visualized by Solid-State NMR
Abstract Lignification waterproofs and strengthens the secondary plant cell wall, while increasing the energy cost associated with releasing sugars for biofuel production. The physical association between lignin and the carbohydrate scaffold that accommodates lignin polymerization, as well as the temporally distinct roles of different lignin units and carbohydrate partners during lignification, remain largely unclear.
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