Using Ultrasound to Administer Insulin (image) North Carolina State University Caption A new technique allows diabetics to control insulin release with an injectable nano-network and portable ultrasound device. Credit Zhen Gu, North Carolina State University Usage Restrictions Image credit must be given. 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.