Dark Field Imaging (IMAGE) Science China Press Caption SN @ GNs showed dark-field imaging function of cell and animal tissue and significantly improved the biocompatibility of gold nanoparticles. Credit ©Science China Press Usage Restrictions None 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.