Protein extraction from whole tissues for isoelectric focusing. University of Missouri - Columbia Proteomics Center.
SDS extraction followed by acetone precipitation. Also has Phenol extraction followed by methanolic ammonium acetate precipitation. - [Read Protein extraction from whole tissues for isoelectric focusing]
Protocol for selection of an ion exchanger: Determining the pI of a protein using isoelectric focusing. The choice of whether to use an anion or a cation exchanger should be based on knowledge of the stability of the protein, and the binding properties of the target protein and other molecules present. - [Read Selection of an Ion Exchanger Protocol]