A method is provided for protection of biological materials from the stresses of air-drying and also from destructive reactions, such as oxidation and free-radical attack, which degrade the materials during long-term storage. The method involves drying the materials, which may contain potentially destructive...http://www.google.de/patents/US5200399?utm_source=gb-gplus-sharePatent US5200399 - Method of protecting biological materials from destructive reactions in the dry state
