Zhen Gu, Artificial Beta Cell 2 (IMAGE) University of North Carolina Health Care Caption this is a fluorescence image of the artificial beta cells. (Gu Lab, UNC-NC State) Credit (Gu Lab, UNC-NC State) Usage Restrictions credit properly 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.