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Updated: May 23, 2026
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Linearization of the Bradford Protein Assay
Published on: April 12, 2010
Summary
This protein quantitation assay offers good accuracy for most proteins. However, it is less reliable for small, basic polypeptides and is affected by detergent concentrations above 0.2%.
Area of Science:
- Biochemistry
- Analytical Chemistry
Background:
- Accurate protein quantitation is crucial for various biological and chemical analyses.
- Existing protein assays may have limitations in specific applications.
Purpose of the Study:
- To evaluate the accuracy and limitations of a specific protein quantitation assay.
- To identify conditions under which the assay's performance is compromised.
Main Methods:
- The study assessed the performance of a protein quantitation assay.
- The assay's accuracy was tested across a range of protein types and conditions.
Main Results:
- The assay demonstrated relative accuracy for the majority of proteins analyzed.
- Exceptions included small basic polypeptides like ribonuclease and lysozyme.
- Detergent concentrations exceeding approximately 0.2% significantly hampered assay performance.
Conclusions:
- The protein quantitation assay is suitable for general protein measurement but has specific limitations.
- Researchers should be aware of the assay's reduced accuracy with small basic polypeptides and high detergent levels.
