EDEN PRAIRIE, Minn.--(BUSINESS WIRE)--SurModics, Inc. (Nasdaq: SRDX), a leading provider of drug delivery and surface modification technologies to the healthcare industry, will introduce its SurModics® Assay Diluent (Protein-Free) product at the American Association for Clinical Chemistry (AACC) – Clinical Lab Expo, July 26-28, 2011 in Atlanta, GA (booth #1302).