Nanoparticle Therapy Targets Lymph Node Metastases (IMAGE) American Chemical Society Caption iClusters (red/blue/green circles) enter a tumor through the bloodstream (red vessels), then disassemble into smaller nanoparticle drugs (blue circles) that can pass through lymphatics (green vessels) into lymph nodes and kill metastases. Credit <i>ACS Nano</i> <b>2019</b>, DOI: 10.1021/acsnano.9b03472 Usage Restrictions Please credit <i>ACS Nano</i> <b>2019</b>, DOI: 10.1021/acsnano.9b03472. 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.