Blue Fluorescence (IMAGE) University of Vienna Caption The new strategy activates the EGFR inhibitor specifically under hypoxic conditions (indicated by blue fluorescence). Credit Copyright: Diana Groza Usage Restrictions The image may only be used with appropriate caption or credit. 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.