The group's principal activity is to provide products and services for the detection and treatment of infectious diseases such as aids and viral hepatitis. The group operates in four segments: diagnostics, biotech research laboratories, source scientific and pressure cycling technology. Diagnostics segment manufactures quality control and other diagnostic products for the accuracy of vitro diagnostic tests. Biotech research laboratories undertakes research contracts and provides repository services for agencies of the United States government. Source scientific develops and manufactures laboratory and medical instruments. Pressure cycling technology introduces new solutions for a number of healthcare issues. The products of the group are made from human plasma and serum. The group also provides clinical trials. On 31-Mar-2004, the group disposed the clinical laboratory business.
