Avian Flu Biosensor 3 (IMAGE) Georgia Institute of Technology Research News Caption Photograph of the optical biosensor that is approximately 16 millimeters by 33 millimeters in size. The horizontal purple lines are the channels on the waveguide. Credit 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.