Catch some EVs (IMAGE) University of Rochester Caption A team of researchers at the University of Rochester has developed ultrathin membranes with pores sized perfectly to catch and display extracellular vesicles (EVs), tiny packets of cellular material that can provide important information about the status of the body. Credit University of Rochester illustration / Erik Patak Usage Restrictions N/A 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.