Purification and characterization of Novel Sperm Motility-Related Proteins -- Expression of proteins in E. Coli, renaturation and purification by protein in liquid chromatolography -- Purification and applications of bacteriophage lytic enzymes -- Optimized purification protocol for proteins isolated from inclusion bodies -- Purification od DNA-binding proteins -- Bacterial cellulose nanofibers for dye-affinity adsorption of recombinant human interferon-a