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Related Concept Videos

Assembly of Cytoskeletal Filaments01:18

Assembly of Cytoskeletal Filaments

Cytoskeletal filaments are polymeric forms of smaller protein subunits. However, individual cytoskeletal filaments may easily disassemble or associate with other similar filaments to form rigid structures. Microfilaments, made of actin monomers, rely on actin-binding proteins to form bundles and create networks of individual actin filaments. Microtubules rely on microtubule-associated proteins (MAPs) to form sturdy cylindrical structures. However, the proteins involved in forming complex...
Formation of Intermediate Filaments00:57

Formation of Intermediate Filaments

Intermediate filaments are cytoskeletal proteins with higher tensile strength and flexibility than microfilaments and microtubules. Unlike the other two cytoskeletal proteins, intermediate filament formation lacks the enzymatic activity to hydrolyze nucleotides like ATP and GTP to generate energy for polymerization. Therefore, the formation of intermediate filaments is multistep self-assembly. The involvement of any accessory proteins in intermediate filament formation has not yet been reported.

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DNA Nanotubes as a Versatile Tool to Study Semiflexible Polymers
08:00

DNA Nanotubes as a Versatile Tool to Study Semiflexible Polymers

Published on: October 25, 2017

Self-assembled supramolecular nanotube yarn.

Yaqing Liu1, Tianyu Wang, Yong Huan

  • 1Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface, and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, PR China.

Advanced Materials (Deerfield Beach, Fla.)
|August 15, 2013
PubMed
Summary

Researchers created strong, meter-long supramolecular nanotube yarns using self-assembled nanotubes. These novel materials, built from bolaamphiphiles, offer superior mechanical strength for potential applications under macro conditions.

Keywords:
hierarchical self-assemblymechanical propertiesmetric length yarnspinningsupramolecular nanotube

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Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides
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Published on: November 21, 2013

Area of Science:

  • Materials Science
  • Supramolecular Chemistry
  • Nanotechnology

Background:

  • Supramolecular self-assembly offers a route to ordered nanostructures.
  • Developing strong, macroscopic materials from nanoscale building blocks remains a challenge.

Purpose of the Study:

  • To fabricate meter-long supramolecular nanotube yarns.
  • To investigate the mechanical properties of these novel yarns.

Main Methods:

  • Utilizing bolaamphiphiles as molecular building blocks for self-assembly.
  • Employing a spinning process from diluted aqueous solutions of self-assembled nanotubes.

Main Results:

  • Successfully fabricated metric length supramolecular nanotube yarns.
  • Demonstrated outstanding mechanical strength compared to conventional polymers.
  • Confirmed operability under macro conditions.

Conclusions:

  • Bolaamphiphile self-assembly provides a viable method for creating high-performance nanotube yarns.
  • These supramolecular yarns represent a promising new class of materials with significant mechanical robustness.