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Related Concept Videos

Protein Complex Assembly02:41

Protein Complex Assembly

Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types.  Most protein complexes self-assemble spontaneously via ordered pathways, while some proteins need assembly factors that guide their proper assembly. Despite the crowded intracellular environment, proteins usually interact with their correct partners and form functional complexes.
Many viruses self-assemble into a fully functional unit using the infected host cell to...
Protein Complex Assembly02:41

Protein Complex Assembly

Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types.  Most protein complexes self-assemble spontaneously via ordered pathways, while some proteins need assembly factors that guide their proper assembly. Despite the crowded intracellular environment, proteins usually interact with their correct partners and form functional complexes.
Many viruses self-assemble into a fully functional unit using the infected host cell to...
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...

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Related Experiment Video

Updated: May 30, 2026

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles
12:33

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles

Published on: February 4, 2013

From particle self-assembly to functionalized sub-micron protein patterns.

T M Blättler1, A Binkert, M Zimmermann

  • 1BioInterfaceGroup, Laboratory for Surface Science and Technology, Department of Materials, ETH Zurich, CH-8093 Zurich, Switzerland. Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, Department of Electrical Engineering, ETH Zurich, CH-8092 Zurich, Switzerland.

Nanotechnology
|August 6, 2011
PubMed
Summary
This summary is machine-generated.

This study introduces a simple method for creating ordered nanopatterns using particle self-assembly and plasma etching. These nanopatterns enable precise control over protein and DNA interactions for biological research.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Biochemistry

Background:

  • Biologically relevant nanopatterns are crucial for studying molecular interactions.
  • Existing nanopatterning methods often require complex and expensive equipment.

Purpose of the Study:

  • To develop a simple, versatile, and cost-effective method for creating ordered nanopatterns.
  • To demonstrate the utility of these nanopatterns for biochemical applications.

Main Methods:

  • Utilized polystyrene particle self-assembly (dip-coating or drying cell) on SiO(2)/TiO(2) coated substrates.
  • Employed O(2)/N(2) plasma etching to shrink particle monolayers and create patterned TiO(2) features.
  • Translated oxide contrast into biochemical contrast using selective molecular self-assembly (alkane phosphates, poly(L-lysine)-graft-poly(ethylene glycol), streptavidin).

Main Results:

  • Achieved large, hexagonally ordered particle monolayers with high reproducibility.
  • Successfully transferred particle patterns onto substrates, creating defined TiO(2) features.
  • Demonstrated selective protein and DNA immobilization on patterned surfaces.

Conclusions:

  • The developed method offers a straightforward approach to fabricating versatile nanopatterns.
  • This technique facilitates the study of protein-protein and cell-protein interactions.
  • The method provides a platform for creating functionalized surfaces for biochemical assays.