Exosome Separation 2 (IMAGE) Duke University Caption Duke University researchers have developed a prototype device that uses sound waves to separate tiny particles called exosomes from blood samples. Cells produce exosomes to communicate with one another and could play a large role in future diagnostics and therapeutics. Credit Kara Manke, Duke University 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.