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Related Concept Videos

Two-dimensional Gel Electrophoresis01:22

Two-dimensional Gel Electrophoresis

8.4K
Two-dimensional gel electrophoresis is a high-resolution protein separation method first introduced by O' Farrell and Klose in 1975. This method involves protein separation by two dimensions, mass and charge, making it more accurate than one-dimensional gel electrophoresis.
The first dimension separation uses the isoelectric focusing or IEF technique performed on immobilized pH gradient (IPG) strips that separate proteins according to their isoelectric points.
Biological samples, such...
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SDS-PAGE01:27

SDS-PAGE

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Gel electrophoresis is a method that separates biological macromolecules like nucleic acids or proteins by forcing them to pass through a gel matrix under an electric field.
A variation of gel electrophoresis, termed  polyacrylamide gel electrophoresis (PAGE), is commonly used for separating proteins according to their molecular size by passing them through a polyacrylamide gel. Because of the varying charges associated with amino acid side chains, PAGE can be used to separate intact...
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Updated: Apr 20, 2026

Microfluidic Synthesis of Microgel Building Blocks for Microporous Annealed Particle Scaffold
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Multiphase protein microgels.

Ulyana Shimanovich1, Yang Song, Jasna Brujic

  • 1Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.

Macromolecular Bioscience
|November 20, 2014
PubMed
Summary
This summary is machine-generated.

Researchers created novel core-shell microgel particles using self-assembling protein nanofibrils. This biomaterial strategy combines nanoscale ordering with microscale control for advanced functional materials.

Keywords:
PEGaqueous two phase systemdextranlysozymemicrofluidicsnanofibrillar protein microgel

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Area of Science:

  • Biomaterials Science
  • Materials Chemistry
  • Nanotechnology

Background:

  • Proteins offer biocompatible and biodegradable building blocks for functional materials.
  • Natural systems achieve complex material properties via precise nanoscale and microscale protein organization.
  • Controlling protein localization and structure is key for advanced biomaterial design.

Purpose of the Study:

  • To develop a synthetic strategy for creating protein-based materials with controlled nano and microscale organization.
  • To exploit protein self-assembly into amyloid fibrils for nanoscale order.
  • To utilize liquid/liquid phase separation for microscale localization within microconfinement.

Main Methods:

  • Self-assembly of proteins into amyloid fibrils for nanoscale structuring.
  • Aqueous liquid/liquid phase separation for controlling protein localization at the microscale.
  • Droplet microfluidics for the synthesis of core-shell microgel particles.

Main Results:

  • Demonstrated the successful synthesis of core-shell microgel particles.
  • Achieved nanoscale order through protein amyloid fibril formation.
  • Controlled microscale localization of protein components using phase separation and microfluidics.
  • Created functional microgels composed of protein nanofibrils.

Conclusions:

  • The combined approach of amyloid self-assembly and microfluidic phase separation enables the creation of sophisticated protein-based core-shell microgels.
  • This strategy offers a versatile platform for designing advanced biomaterials with hierarchical structures.
  • The developed method provides a pathway for fabricating functional nanomaterials with tunable properties.