WALTHAM, Mass.--(BUSINESS WIRE)--Repligen Corporation (NASDAQ: RGEN) announced today that it has completed the acquisition of the business of Novozymes Biopharma Sweden AB, the Swedish unit of Novozymes Biopharma, a company focused on the manufacture and supply of growth factors used in mammalian cell culture and Protein A affinity ligands used in the production of monoclonal antibodies. This transformative acquisition, which was first announced on October 27, 2011 elevates Repligen to a world-leading supplier of products for manufacturing biologic drugs and provides the path to sustainable growth and profitability. The combined company is expected to generate total revenue of approximately $50 million in calendar year 2012.