Graphic of StrepMiniSog (IMAGE) University of Cincinnati Caption Graphic illustrates the process by which David Wendell's protein-based photocatalyst uses light to generate hydrogen peroxide to kill bacteria and viruses in water. Credit David Wendell 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.