Naked-Eye Detection (IMAGE) Aalto University Caption This is naked-eye detection of the impaired exosomes via the plasmonic Brewster effect. Camera image of the sample containing Au nanoclusters exposed to the serum exosomes isolated from a healthy individual and a patient with inflammatory bowel disease. Credit Aalto University 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.