ArticleBiomacromolecules2025
Unraveling the Mechanical Behavior of Softwood Secondary Cell Walls through Atomistic Simulations.
Article in Biomacromolecules, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Additive manufacturing of cellulose-based photopolymerizable resin with high strength and shape-memory.Nature communications · 2026Article
- Silylated Softwood and Hardwood Lignin: Impact on Thermomechanical and Interfacial Properties of PLA Biocomposites.Biomacromolecules · 2025Article
- Quantifying Chemically Modified Acetylation Induced Changes in the Plant Secondary Cell Wall Structure and Dynamics.Biomacromolecules · 2025Article
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Authors and funding
4 authors.
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Abstract
The plant cell wall (PCW) is a remarkable biomaterial, endowing plants with strength, stiffness, and defense against pathogens and chemical agents. This complex structure, mainly composed of cellulose in a matrix of hemicellulose, lignin, and water, exhibits impressive mechanical properties. However, the link between its molecular architecture and macroscopic mechanics is not fully understood. This study uses molecular dynamics simulations to examine the nanomechanical behavior of spruce wood's S2 layer. Multicomponent models including cellulose, hemicellulose (xylan and mannan), lignin, and water were developed. Simulations showed that water acts as a "molecular lubricant", mediating critical interactions between the components of the system. Tension and compression tests on the models displayed realistic mechanical behavior. Our results show that cellulose microfibrils bear the primary load, while lignin dissipates stress under compression. These findings offer new insights into the relationship between the molecular structure and mechanical function in this complex biomaterial.
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