Hydrogel (image) Nanyang Technological University Share Print E-Mail Caption This is a self-assembled hydrogel bowl with a wavy edge. Blue food dye solution is held in the bowl to demonstrate its structural integrity. Credit CMU and NTU Usage Restrictions For this story only Share Print E-Mail 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.