Purification & Size Determination of Green & Blue Fluorescent Proteins

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Price: $190 + GST
Model Number: 255

For 6 Lab Groups

When bacteria are used to make medicinally useful proteins by transformation, the protein of interest must be separated from all of the other cellular proteins. In this experiment, the unique fluorescent properties of GFP and BFP will be used as an assay during their purification from an E. coli extract. The column fractions containing GFP or BFP will be identified by fluorescence and then purified.

As an extension activity, purified protein fractions can be separated by SDS polyacrylamide gel electrophoresis to estimate the purity and size of the GFP and BFP proteins. (Protein electrophoresis equipment required).

Kit Includes:

  • Instructions
  • Columns and matrix
  • GFP & BFP extracts
  • Buffer


  • Waterbath
  • Long wave UV lamp

Time Requirements:

  • Packing & Running Column- 45 minutes