Additional material to read Purification strategies manual Brief history of protein purification pg 13-15 (optional) Affinity chromatography pg 17-18, 20 Gel filtration pg 21-22 Ion exchange chromatography pg 23-24 Hydrophobic interaction chromatography pg 25-26 Reverse phase chromatography pg28-29 Desalting buffer exchange pg 31, 34, 36 Purification strategies pg 39-4 Handbook of recombinant protein Choice of host for protein purification pg 6-8 Vectors for the Expression of Recombinant Proteins in E. coli, Sally A. Cantrell http://mfa.od.ua/page175.htm Protein purification manual, supplementary information.