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Assembly of Cytoskeletal Filaments

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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...

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Related Experiment Video

Updated: Jul 3, 2026

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Published on: October 16, 2017

Hierarchical self-assembly of nematic colloidal superstructures.

M Skarabot¹, M Ravnik, S Zumer

¹J Stefan Institute, Jamova 39, Ljubljana, Slovenia.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|July 23, 2008

Summary

Colloidal particles self-assemble into superstructures within liquid crystals. Small particles decorate defect rings formed by large particles, a concept applicable to nanoscale assembly.

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Last Updated: Jul 3, 2026

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

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Synthesis and Characterization of Supramolecular Colloids

Synthesis and Characterization of Supramolecular Colloids

Published on: April 22, 2016

Area of Science:

Colloidal science
Soft matter physics
Materials science

Background:

Nematic liquid crystals exhibit unique defect structures.
Colloidal particles interact with these defects.
Controlling colloidal assembly is crucial for materials design.

Purpose of the Study:

To demonstrate colloidal superstructure formation in nematic liquid crystals.
To utilize elastic interactions for directed self-assembly.
To explore nanoscale applications of this assembly method.

Main Methods:

Simulations of colloidal particle mixtures in nematic liquid crystals.
Analysis of elastic interactions between small particles and disclination lines.
Modeling the decoration of topological defect matrices.

Main Results:

Colloidal superstructures were successfully assembled.
Small particles decorated defect rings and loops formed by large particles.
The self-assembly concept was shown to be extendable to nanoscale particles.

Conclusions:

Colloidal self-assembly in nematics is achievable through defect-mediated interactions.
This method offers precise control over superstructure formation.
The findings pave the way for nanoscale colloidal assembly and novel materials.