Xinxiu “Cindy” Xu, Ph.D. (IMAGE) University of Pittsburgh Caption Xinxiu “Cindy” Xu, Ph.D, postdoctoral associate at University of Pittsburgh Credit University of Pittsburgh Usage Restrictions For use with embargoed release. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.