Macrophage Imaging (IMAGE) Georgia Institute of Technology Caption This image, produced with HyPer-Tau, shows the activation of macrophages in response to intracellular hydrogen peroxide that is generated in response to a bacterial toxin. Credit Credit: Tatiana Netterefield, Georgia Tech 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.