Silk Fibroin Screw (IMAGE) Tufts University Caption A silk fibroin screw fabricated with golden nanorods can be heated to 160 C when exposed to infrared light emitted by an LED. Credit Silklab, Department of Biomedical Engineering, School of Engineering, Tufts University 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.