Multicolor Imaging (IMAGE) National Institutes of Natural Sciences Caption The use of gold, silver and gold-silver alloy nanoparticles allowed high-speed/high-precision multicolor imaging for the first time. Credit Ryota Iino, Institute for Molecular Science, National Institutes of Natural Sciences, Japan. 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.