Medical apparatus and equipment for the collection, processing, analysis and preservation of biological samples such as blood and cellular products; disposable medical containers for the collection and preservation and transport of blood and cellular products; kits comprising disposable bags for the collection, processing, analysis and preservation of biological samples such as blood and cellular products; bags and boxes for collecting and preserving biological samples such as blood and cellular products; none of the aforementioned goods consisting of apparatus, equipment or reagents used in the process of electrophoresis, mass spectrometry and/or screening of autoimmune and infectious diseases.