Polymerized Hydrogel Material (IMAGE) Georgia Institute of Technology Caption Image shows a polymerized hydrogel material that contains both an enzyme that battles bacterial infections and a protein that encourages bone growth. Credit Rob Felt, Georgia Tech 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.