Plasmonic Drawbridge Dimer (IMAGE) Rice University Caption This electron microscope image shows a dimer of silver plated gold nanoparticles. A layer of silver connects the particles. Credit C. Byers/Rice University Usage Restrictions Must credit: "C. Byers/Rice University" 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.