Injectable Nano-Network For Controlling Blood Sugar (image) North Carolina State University Share Print E-Mail Caption The nano-network releases insulin in response to changes in blood sugar. Credit Zhen Gu, North Carolina State University Usage Restrictions Image credit must be given. 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.