Animated Microparticles 1 (IMAGE) University of Pennsylvania Caption Extended-release drugs rely on microparticles of consistent size and shape so they dissolve at a predictable rate. University of Pennsylvania engineers have now developed a microfluidic system where more than ten thousand microparticle generators run in parallel, making more than 300 billion an hour, all on a silicon-and-glass chip that can fit into a shirt pocket. Credit University of Pennsylvania 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.