Microneedle Array (IMAGE) Rutgers University Caption Dyed DNA vaccine coated on a microneedle array by efficient electrospray deposition. Credit Sarah H. Park/Rutgers School of Engineering Usage Restrictions None License Original 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.