True Color Fluorescence Microscopy Images (IMAGE) Georgia Institute of Technology Caption True color fluorescence microscopy images of dual-function beads embedded with iron oxide and (A) 630 nm emission quantum dots and (B) 580 nm emission quantum dots. The beads are coated with an amphiphilic polymer and soluble in water. Images were taken at 60x magnification under blue light excitation. Credit Image courtesy of Tushar Sathe and Shuming Nie 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.