Blood and blood components for medical purposes, namely, platelets, plasma and red blood cells; reagents for processing and storage of blood and blood components in tubing, containers and bags for use in transfusions in the medical field; reagents for the inactivation of pathogens, cells and nucleic acids in blood and blood components, such as platelets, plasma and red blood cells for use in connection with transfusions in the medical field; chemical compositions for medical use, namely, for preventing cell proliferation or nucleic acid replication; chemical preparations for use in the testing, treatment, pathogen reduction, storage or reconstitution of blood and blood components for use in connection with transfusions in the medical field; chemical compositions for medical use, namely, for controlling cell proliferation or nucleic acid replication; chemical preparations for medical or pharmaceutical purposes, namely, for the inactivation of pathogens, cells and nucleic acids in blood and blood components; solutions for the production of blood components, namely, platelets, plasma and red blood cells, and the inactivation of pathogens, cells and nucleic acids in such blood components, sold as part of medical processing kits, all for medical or pharmaceutical purposes