A Hybrid Surface (IMAGE) University at Buffalo Caption A scanning electron microscope image shows the surface of a new chemical sensing chip. The surface consists of gold nanoparticles (small bright dots) that have been deposited over silver nanoparticles (light gray regions) to form a hybrid gold-silver nanostructure. Credit Credit: Nan Zhang Usage Restrictions This image may only be used with news reports discussing the research in the associated press release. 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.