Cellular Nanoparticle Uptake (IMAGE) Duke University Caption A healthy cell's internal structure (left) compared to a cell that has taken up nanoparticles coated with DNA (right). The large cavities are the places where the nanoparticle was internalized, helping researchers better understand what cell receptors are being activated. Credit Duke University Usage Restrictions None 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.