KNOXVILLE, TN--(Marketwire - March 25, 2008) - Protein Discovery, Inc., a developer and marketer of products that simplify biological sample preparation for mass spectrometry applications, today announced that the company has closed a $10 million Series C round of equity financing. The investment was led by Santé Ventures and was joined by previous investors, including Memphis Biomed Ventures, the Southern Appalachian Fund, and the Nashville Capital Network. Protein Discovery will use the funds to boost market entry activities of its flagship product, the Passport™ 1200 Sample Prep System.