Gold Nanoparticle (IMAGE) European Synchrotron Radiation Facility Caption This is a transmission electron micrograph image of a C. metallidurans ultra-thin section containing a gold nanoparticle (in the middle). Credit Reith et al, PNAS 5-9 October 2009. 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.