Yaling Liu, Lehigh University (IMAGE) Lehigh University Caption The testing and diagnostic tools developed by Yaling Liu (at right, with Ph.D. candidate Wentao Shi) enable the early detection of cancer and evaluate the targeted delivery of medicine. (Photo by Elaine Zelker) Credit Elaine Zelker/Lehigh University Usage Restrictions This image may only be used with appropriate caption or credit. 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.