Antibody and Affimer (IMAGE) University of Leeds Caption The image shows an antibody (Blue object) and affimer (orange object) to demonstrate the size and complexity differences. Credit Avacta Life Sciences 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.