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Updated: Jul 7, 2026
11:01
Immunoglobulin G N-Glycan Analysis by Ultra-Performance Liquid Chromatography
Published on: January 18, 2020
Purification of immunoglobulin G
1Chester College, Chester, United Kingdom.
Current Protocols in Cell Biology
|January 30, 2008
Summary
Purified antibodies are essential for precise assays and modifications. This study details methods like chromatography and precipitation for obtaining high-quality immunoglobulin G (IgG) antibodies.
Area of Science:
- Biochemistry
- Immunology
- Molecular Biology
Background:
- Unpurified antibodies suffice for some uses, but purification is crucial for quantitative assays and chemical/structural modifications.
- Specific applications demand precise antibody concentrations and defined antibody fragments.
Purpose of the Study:
- To provide comprehensive protocols for the purification of immunoglobulin G (IgG).
- To enable researchers to obtain highly pure antibodies for various downstream applications.
Main Methods:
- Ammonium sulfate precipitation followed by size-exclusion chromatography.
- Protein A and Protein G affinity chromatography.
- Immunoaffinity chromatography and ion-exchange chromatography.
Main Results:
- Detailed protocols for multiple IgG purification techniques are presented.
- Methods cover a range of purification strategies suitable for different needs.
Conclusions:
- Researchers can select the most appropriate purification method based on their specific experimental requirements.
- The provided protocols facilitate the preparation of purified IgG for diverse biological and chemical applications.
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