Headquartered in Pleasanton, California, Roche Molecular Diagnostics (RMD) is a business area of Roche Diagnostics (Basel, Switzerland) that develops, manufactures and supplies a wide array of innovative medical diagnostic products, services, tests, platforms and technologies. With its broad portfolio of oncology, virology, microbiology and blood screening tests, RMD's clients include researchers, physicians, patients, hospitals, laboratories and blood banks around the world. The business was founded in the early 1990s following the acquisition of the revolutionary, Nobel-prize winning Polymerase Chain Reaction Technology (PCR). PCR quickly replicates a single specific fragment of DNA or RNA to quantities sufficient for accurate laboratory analysis.