Properly Functioning Protein and Amyloid (image) Chalmers University of Technology Caption This is a drawing representing structure of properly functioning protein (left) which is optically invisible to high power laser light, and toxic amyloid (right) responsible for brain diseases that might potentially be cured using lasers in photo therapies. Credit Piotr Hanczyc Usage Restrictions The image is free for media to use. 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.