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Related Concept Videos

Wood Products01:21

Wood Products

106
Wood products encompass a broad range of materials crafted from wood strands, veneers, lumber, and even waste wood-like shreds, designed for both structural and nonstructural purposes. Various specialized wood products have been developed to enhance strength, durability, and versatility in building applications.
Glue-laminated wood, often referred to as glulam, combines multiple smaller pieces of dimensional lumber using adhesives to form a single, larger piece. Cross-laminated timber consists...
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Laminins are the Adhesive Proteins of Basal Lamina00:55

Laminins are the Adhesive Proteins of Basal Lamina

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Laminins are heterotrimeric proteins with high molecular mass found in the extracellular matrix. Each laminin molecule is composed of three chains, viz. alpha, beta, and gamma, coded by five, four, and three paralogous genes, respectively. Laminins are categories based on the compositions of the three chains.
In humans, the five forms of alpha chains are LAMA 1, LAMA 2, LAMA 3, LAMA 4, and LAMA 5. The four forms of beta chains are LAMB 1, LAMB 2, LAMB 3, and LAMB 4. The three forms of gamma...
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Adhesion01:14

Adhesion

40.0K
Adhesion occurs when one type of molecule is attracted to a different molecule. Water exhibits adhesive properties in the presence of polar surfaces, such as glass or cellulose in plants. For instance, when water is poured into a glass, the positively charged hydrogen molecules of water are more attracted to the negatively charged oxygen molecules in the silica than to the oxygen in neighboring water molecules.
Capillary action is a result of water’s adhesive tendencies. When a narrow...
40.0K
Cell Adhesion in Plants01:14

Cell Adhesion in Plants

2.7K
Plants have rigid cell walls that are made up of cell wall polysaccharides that mediate cell-cell adhesion. The primary cell walls of plants consist of two independent and interacting polysaccharide networks: a pectin matrix that embeds the second network comprising cellulose and hemicelluloses.
Pectins are complex heteropolymers mainly composed of negatively-charged α-D-glucopyranosyl uronic acid and some neutral glycosyl residues such as α-L-rhamnopyranose, α-L-arabinofuranose,...
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Updated: Jul 17, 2025

Towards Biomimicking Wood: Fabricated Free-standing Films of Nanocellulose, Lignin, and a Synthetic Polycation
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In Situ Lignin Adhesion for High-Performance Bamboo Composites.

Taotao Meng1, Yu Ding1, Yu Liu1

  • 1Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States.

Nano Letters
|September 7, 2023
PubMed
Summary
This summary is machine-generated.

Researchers developed a new bioadhesion method using in situ lignin bonding to create strong bamboo composites. This sustainable approach avoids harmful adhesives, offering a promising alternative for structural materials.

Keywords:
bamboo compositebamboo engineeringbiomass adhesiveenvironmental sustainabilitystructural materials

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Area of Science:

  • Materials Science
  • Biomaterials Engineering
  • Sustainable Chemistry

Background:

  • Bamboo composites are promising structural materials but are limited by adhesive choices.
  • Petroleum-derived adhesives pose environmental risks, while biobased options often lack sufficient bonding strength.

Purpose of the Study:

  • To develop a novel, scalable, and high-performance bamboo composite using a sustainable bioadhesion strategy.
  • To utilize in situ lignin bonding for enhanced cellulose fibril network formation.

Main Methods:

  • A novel bioadhesion strategy employing in situ lignin bonding was developed.
  • Natural bamboo was processed into a composite by forming a strong adhesive interface through hydrogen bonding and nanoscale entanglement of lignin and cellulose fibrils.

Main Results:

  • The in situ glued-bamboo (glubam) composite achieved a record-high shear strength of approximately 4.4 MPa.
  • The composite demonstrated a high tensile strength of approximately 300 MPa.
  • The lignin adhesion strategy proved facile, scalable, and cost-effective.

Conclusions:

  • The in situ lignin bonding strategy offers a promising route for fabricating strong, sustainable bamboo composites.
  • This method reduces reliance on petrochemical-based adhesives and promotes carbon sequestration.
  • The developed glubam composite presents a viable alternative for structural applications in construction, automotive, and logistics industries.