Northfield Laboratories, Inc. signed an agreement with First Industrial, L.P., to purchase the building it currently leases in Mt. Prospect, IL for $6.7 million. The transaction is scheduled to close in late June, subject to customary terms and conditions. This 106,000-sq.-ft. property will be used for the company’s first planned commercial facility for the manufacture of PolyHeme, a human hemoglobin-based oxygen carrier, and to house laboratory, quality, and administrative personnel....