Onion-like Nanoparticle: Diagram (IMAGE) University at Buffalo Caption An artist's rendering shows the layers of a new, onion-like nanoparticle whose specially crafted layers enable it to efficiently convert invisible near-infrared light to higher energy blue and UV light. Credit Credit: Kaiheng Wei (Davidwei_loga@foxmail.com) Usage Restrictions This image may only be used in conjunction with news stories discussing the research described 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.