Non-Spherical Plastic Nanoparticles (IMAGE) University of New South Wales Caption Fluorescence microscopy images of tubular shaped polymersomes -- plastic nanoparticles that can encapsulate drugs. Credit UNSW Sydney Usage Restrictions Only with this story and with credit 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.