Nanoagents (IMAGE) Nanyang Technological University Caption NTU Associate Professor Pu Kanyi has led a team to create nanoagents that can show up smaller diseased tissues compared to conventional methods. These colored solutions in vials can store light energy and emit afterglow light. Credit NTU Singapore Usage Restrictions For this story only 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.