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Home > Sample Preparation > Fractionation | Depletion > Protein Charge

Protein Charge

Fractionation of rat brain tissue using Aurum ion exchange mini columns. Rat brain total protein extracts (3 ml) were loaded onto an Aurum AEX (anion exchange) or CEX (cation exchange) mini column and eluted. The unfractionated and fractionated samples were then treated with the ReadyPrep reduction-alkylation and 2-D cleanup kits and separated by 2-D gel electrophoresis.

Fractionation by charge allows separation of acidic and basic proteins.

Aurum AEX and CEX Mini Kits and Columns
  • Fractionate acidic and basic proteins, respectively, by ion exchange chromatography
  • Use a patented polymerization technology to achieve ultrahigh protein binding capacity
  • Accommodate up to 1 ml of sample
  • Use a quick, easy spin-column format
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