Extracellular vesicles (IMAGE) Swiss Nanoscience Institute, University of Basel Caption The extracellular vesicles (red) produced using the new technique are absorbed in vitro by immune cells (green; nucleus in turquoise) and can therefore influence an organism’s immune response. Credit C. Alter, Department of Pharmaceutical Sciences, University of Basel Usage Restrictions Only to be used with credit 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.