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Related Concept Videos

Noncovalent Attractions in Biomolecules02:35

Noncovalent Attractions in Biomolecules

Noncovalent attractions are associations within and between molecules that influence the shape and structural stability of complexes. These interactions differ from covalent bonding in that they do not involve sharing of electrons.
Four types of noncovalent interactions are hydrogen bonds, van der Waals forces, ionic bonds, and hydrophobic interactions.
Hydrogen bonding results from the electrostatic attraction of a hydrogen atom covalently bonded to a strong-electronegative atom like oxygen,...
Protein-protein Interfaces02:04

Protein-protein Interfaces

Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...
Protein-Protein Interfaces02:04

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Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...
Mechanisms of Membrane Domain Formation00:59

Mechanisms of Membrane Domain Formation

Different physical properties of lipids and proteins allow them to localize and form distinct islands or domains in the membrane. Some membrane domains are formed due to protein-protein interactions, whereas others are formed due to the presence of specific lipids such as sphingolipids and sterols—for example, large proteins, such as bacteriorhodopsin, aggregate and create distinct domains.
Another mechanism for membrane domain formation involves membrane proteins interacting with cytoskeletal...
Noncovalent Attractions in Biomolecules02:35

Noncovalent Attractions in Biomolecules

Noncovalent attractions are associations within and between molecules that influence the shape and structural stability of complexes. These interactions differ from covalent bonding in that they do not involve sharing of electrons.
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Drug-receptor bonds are formed through various chemical forces when drugs interact with target cells. Covalent bonds, strong and irreversible, are exemplified by DNA-alkylating anticancer agents that inhibit cell division. However, such irreversible drug binding lacks selectivity and can modify the DNA of the surrounding healthy cells. Covalent binding often contributes to tissue toxicity, as seen with chloroform and paracetamol metabolites binding to the liver, causing hepatotoxicity.
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Multiscale Structures Aggregated by Imprinted Nanofibers for Functional Surfaces
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Bio-inspired interlocking metasurfaces.

Ophelia Bolmin1,2, Philip J Noell3, Brad L Boyce2,3

  • 1Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, United States of America.

Bioinspiration & Biomimetics
|January 23, 2025
PubMed
Summary
This summary is machine-generated.

This study introduces bio-inspired interlocking metasurfaces (ILMs) for novel joining solutions. The bioinspired design framework enhances ILM performance, functionality, and tunability for diverse applications.

Keywords:
attachmentbio-inspiredbio-inspired processinterlockingjoiningmetamaterialmetasurfaces

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Area of Science:

  • Materials Science
  • Biomimetics
  • Mechanical Engineering

Background:

  • Interlocking metasurfaces (ILMs) offer an alternative to traditional joining methods like fasteners and adhesives.
  • ILMs are patterned arrays designed for constrained motion and force transmission between joined bodies.

Purpose of the Study:

  • To explore the development of bio-inspired ILMs using a problem-driven bioinspired design (BID) framework.
  • To create a taxonomy of attachment solutions inspired by both biological and engineered systems.
  • To derive conventional design principles for ILM development.

Main Methods:

  • Developed a taxonomy of attachment solutions.
  • Derived conventional design principles for ILMs.
  • Utilized the BID framework to conceptualize engineering implementations.

Main Results:

  • Conceptualized two engineering implementations: one for rapidly assembled bridge truss members and another for modular microrobots.
  • Demonstrated the application of the taxonomy and design principles through the BID framework.
  • Highlighted the potential for enhanced performance, functionality, and tunability in ILMs.

Conclusions:

  • The BID framework is effective for developing advanced ILMs.
  • Bio-inspired ILMs show promise for applications requiring rapid assembly and modularity.
  • Further development of ILMs can lead to innovative joining solutions across various fields.