The Advantage of Smaller Nanoparticles (IMAGE) University of Tokyo Caption Nanoparticles are typically too big to permeate some types of tissues (top). The researchers' new nanomachine is much smaller so can pass through these tissues (bottom). Credit © 2019 Kanjiro Miyata Usage Restrictions © 2019 Kanjiro Miyata 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.