Naloxone Capsule for Automatic Release (IMAGE) Purdue University Caption In vivo experiments have demonstrated how a device can successfully detect an opioid overdose through a low respiration rate and release naloxone from a drug capsule. Credit Purdue University image/Erin Easterling Usage Restrictions None 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.