Hiroshima University chemist Ji Ha Lee (IMAGE) Hiroshima University Caption Dr. Ji Ha Lee’s research explores the development of recyclable gels that can replace plastics as well as nanogels that can help with targeted drug delivery. Credit Hiroshima University Usage Restrictions News organizations may use or redistribute this image, with proper attribution, as part of news coverage related to this feature story only. 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.