Thiophilic Adsorption Chromatography -- Immobilized Metal Ion Affinity Chromatography -- Histidine Ligand Affinity Chromatography -- Boronic Acid Matrices for the Affinity Purification of Glycoproteins and Enzymes -- Calcium-Dependent Hydrophobic Interaction Chromatography -- Lectin Affinity Chromatography -- Dye-Ligand Affinity Chromatography -- High-Performance Affinity Chromatography for Protein Separation and Purification -- Immunoafflnity Chromatography -- Selection of Antibodies for Immunoaffinity Chromatography -- Some Alternative Coupling Chemistries for Affinity Chromatography -- Exploiting Weak Affinities -- Biospecific Affinity Elution -- Size-Exclusion High-Performance Liquid Chromatography of Proteins -- Chromatofocusing -- Ion-Exchange Chromatography of Proteins -- Displacement Chromatography of Proteins -- Purification of DNA Binding Proteins by Affinity and Ion Exchange Chromatography -- Making Bacterial Extracts Suitable for Chromatography -- Determination of Purity and Yield.