Zhangzhang YinZhangzhang (John) Yin is a Lead Chemist at Ecolab Inc. Previously he worked as the program manager at the NSF Engineering Research Center for Revolutionizing Metallic Biomaterials and Lab Manager in the Nanoworld Lab at the University of Cincinnati. r. Yin's research interest includes corrosion, application of nanotechnology in medicine and water treatment. Dr. Yin received his B.S. from Tongji University and Ph.D. from the University of Cincinnati in Materials Engineering. Read More Read Less