Protein Concentration Calculator

Calculate protein concentration using Bradford, Lowry, and BCA assay methods with standard curves.

Protein Assay Parameters

Results

Enter assay parameters to calculate protein concentration

Protein Assay Methods Guide

Bradford Assay

  • • Range: 1-1400 μg/mL
  • • Wavelength: 595 nm
  • • Fast and simple
  • • Compatible with detergents
  • • Sensitive to pH changes

Lowry Assay

  • • Range: 1-1500 μg/mL
  • • Wavelength: 750 nm
  • • More sensitive than Bradford
  • • Affected by detergents
  • • Requires multiple steps

BCA Assay

  • • Range: 20-2000 μg/mL
  • • Wavelength: 562 nm
  • • Compatible with detergents
  • • Stable color development
  • • Less sensitive to pH