(IMAGE) Université de Genève Caption The image illustrate the combined action of two molecules cooperating to inhibit thrombin. The antidote dissociates the two molecules, preventing the cooperativity. The association and dissociation of the two molecules is controlled by hybridization of oligonucleotides. Credit © Millicent Dockerill / Nicolas Winssinger Usage Restrictions none License Original 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.