TEM Nanoparticles (image) Duke University Share Print E-Mail Caption This image, taken using a transmission electron microscope, shows: (A) a bare nanoparticle, (B) a nanoparticle prepared for coating and (C) a nanoparticle coated with a thin layer of drug-delivering hydrogels. The scale bar is 20 nm. Credit Jennifer West, Duke University Usage Restrictions None Share Print E-Mail 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.