microparticle-array-on-slide (IMAGE) Rice University Caption Rice University Ph.D. student Tyler Graf with a microscope slide holding an array of more than 300 tiny biodegradable particles that can be used for time-released drug delivery. Credit Credit: Brandon Martin/Rice University Usage Restrictions Must credit: Brandon Martin/Rice University 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.