Go With the Flow (IMAGE) University of Pennsylvania School of Medicine Caption Nanospheres in flow are readily captured non-specifically by cells, as imaged in single particle fluorescence (left). In contrast, flexible nanocylinders "go with the flow" and evade such capture (right), allowing the drug-laden filaments to target specific sites of disease. Credit Dennis E. Discher, PhD, University of Pennsylvania School of Medicine; Nature Nanotechnology 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.