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AAT Bioquest

What is the incubation time for BCA assay

Posted September 30, 2024


Answer

The incubation time for the BCA assay typically ranges from 30 minutes to 2 hours. The exact duration depends on the specific protocol used and the concentration of the protein being measured. The Standard BCA Protein Assay measures protein concentrations between 10 μg/mL and 2000 μg/mL and requires either a 30-minute incubation at 37°C or a 2-hour incubation at room temperature. In contrast, the Enhanced BCA Protein Assay involves a 30-minute incubation at 60°C and is designed to detect proteins within a range of 5 μg/mL to 250 μg/mL. 

Additional resources

Comparative study of the most commonly used methods for total protein determination in milk of different species and their ultrafiltration products

Protein Assays & Analysis

BCA Assay