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Related Concept Videos

Affinity Chromatography01:03

Affinity Chromatography

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Affinity chromatography is a powerful technique extensively utilized for separating and purifying specific biomolecules from complex mixtures. It capitalizes on the highly selective binding between an analyte and its counterpart, such as antibody-antigen interactions. The counterpart is immobilized on the stationary phase, forming an affinity column. The stationary phase typically consists of solid support, such as agarose or porous glass beads, immobilizing the affinity ligand. The mobile...
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Types Of Column Chromatography01:29

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The stability and compatibility of column material with samples are crucial for efficient purification in chromatographic techniques. Various operating parameters such as pH, temperature, or solvent affect the packing of the column material, thereby determining the purification efficiency. The choice of column material also plays an essential role in deciding the operating parameters and can be modified based on the proteins that need to be purified.
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Related Experiment Video

Updated: Oct 1, 2025

Author Spotlight: Affinity Purification of a Fibrinolytic Enzyme from Sipunculus nudus
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Affinity purification of fibrinogen using an Affimer column.

Nikoletta Pechlivani1, Katherine J Kearney1, Christian Tiede2

  • 1Leeds Institute of Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, Leeds LS2 9JT, UK.

Biochimica Et Biophysica Acta. General Subjects
|March 3, 2022
PubMed
Summary

A novel Affimer column rapidly purifies high-quality, functional fibrinogen from plasma and commercial sources. This method removes contaminants, yielding pure fibrinogen suitable for physiological applications without harsh conditions.

Keywords:
AffimerAffinity columnFibrinogen purificationPlasma

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Area of Science:

  • Biochemistry
  • Protein Chemistry
  • Biotechnology

Background:

  • Fibrinogen is crucial for blood coagulation and hemostasis.
  • Current protein purification methods are time-consuming and yield contaminated products.
  • High-quality, functional fibrinogen purification is essential for research.

Purpose of the Study:

  • To develop a novel, efficient method for purifying high-quality, functional fibrinogen.
  • To improve the purity of commercially available fibrinogen preparations.

Main Methods:

  • Immobilization of fibrinogen-specific Affimer protein onto a SulfoLink resin column.
  • Purification of fibrinogen from human plasma and commercial preparations.
  • Assessment of purity using SDS-PAGE and mass spectrometry.
  • Evaluation of functionality via turbidimetric analysis.

Main Results:

  • Affimer column purification yielded fibrinogen with purity comparable to commercial standards.
  • Purified fibrinogen successfully formed physiological fibrin networks.
  • Further purification removed key coagulation cascade contaminants like plasminogen and factor XIII.

Conclusions:

  • The Affimer column offers a novel, rapid method for isolating functional fibrinogen.
  • This technique efficiently purifies plasma-derived and commercial fibrinogen.
  • The method provides superior purity without expensive equipment or harsh conditions.