A membrane suitable for immobilizing peptides and proteins is disclosed. The membrane is a flexible, polymeric, porous membrane which contains functional groups capable of covalently linking the peptides and proteins. The functional groups can be provided by reacting the membrane itself or a coating...http://www.google.com/patents/US5011861?utm_source=gb-gplus-sharePatent US5011861 - Membranes for solid phase protein sequencing
