Shengyan Liu, University of Waterloo (IMAGE) University of Waterloo Caption Shengyan (Sandy) Liu of the University of Waterloo led a team of researchers that has developed a nanoparticle solution to combat dry eye syndrome. Credit University of Waterloo Usage Restrictions None License Licensed 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.