Engrafted Islet in Hydrogel (image) Georgia Institute of Technology Caption This is an immunostained image of engrafted islet in hydrogel in diabetic mouse. Red areas are insulin, green areas are blood vessels and blue areas are the DNA nuclei in cells. Credit Georgia Tech Usage Restrictions None 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.