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Related Concept Videos

Affinity Chromatography01:03

Affinity Chromatography

1.4K
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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Immunoprecipitation01:20

Immunoprecipitation

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Immunoprecipitation, or IP, is a widely used technique that employs protein-antibody interactions to isolate proteins or protein complexes in their native state for studying protein-protein interactions, quaternary structures, or supramolecular complexes. Various modifications of the technique, including chromatin IP, cross-linking IP, and fluorescence IP, are commonly used.
Chromatin Immunoprecipitation
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Types Of Column Chromatography01:29

Types Of Column Chromatography

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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.
Gel Filtration Chromatography
When the...
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Updated: Sep 22, 2025

Isolation and Characterization Of Chimeric Human Fc-expressing Proteins Using Protein A Membrane Adsorbers And A Streamlined Workflow
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Antibody Purification Using Affinity Chromatography.

Arabelle Cassedy1, Richard O'Kennedy2,3,4

  • 1School of Biotechnology, Dublin City University, Dublin, Ireland.

Methods in Molecular Biology (Clifton, N.J.)
|May 18, 2022
PubMed
Summary
This summary is machine-generated.

Purifying antibodies is crucial for biological assays and therapeutics. Affinity chromatography, using Protein A, Protein G, or immobilized metal affinity chromatography, effectively isolates antibodies from contaminants.

Keywords:
Affinity purificationAntibodiesChromatographyMethodsRecombinant proteins

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Area of Science:

  • Biochemistry
  • Immunology
  • Biotechnology

Background:

  • Antibodies are essential in biological assays and biotherapeutics.
  • Contaminants in antibody sources can interfere with assays or cause adverse reactions.
  • High-purity antibody isolation is critical for reliable applications.

Purpose of the Study:

  • To describe common chromatographic methods for antibody purification.
  • To highlight the importance of purity in antibody-derived products.
  • To review techniques for isolating antibodies from biological sources.

Main Methods:

  • Affinity chromatography is a primary method for antibody purification.
  • This technique utilizes specific, reversible interactions between antibodies and immobilized ligands.
  • Common methods include Protein A, Protein G, and immobilized metal affinity chromatography (IMAC).

Main Results:

  • Protein A and Protein G chromatography are effective for purifying IgG and its recombinant forms.
  • Immobilized metal affinity chromatography offers an alternative purification strategy.
  • These methods achieve high purity levels, removing contaminants.

Conclusions:

  • Affinity chromatography is a vital tool for obtaining pure antibodies.
  • The described methods ensure antibody integrity and functionality for various applications.
  • Optimized purification strategies are essential for advancing antibody-based technologies.