Fluorescence Microscopy Images (IMAGE) Georgia Institute of Technology Caption Researchers Shuming Nie and Tushar Sathe inspect fluorescence microscopy images of dual-function beads embedded with iron oxide and 580 nanometer emission quantum dots. Credit Georgia Tech Photo: Gary Meek 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.