Antigens with multiple binding sites (IMAGE) University of Minnesota Caption A team led by University of Minnesota Twin Cities biomedical engineers has developed a universally accessible application that can simulate complex molecular interactions, such as those that happen when our body’s antigens (pictured) bind to our cell surface. Credit iStock 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.