Prof. Dr. Sijbren Otto (IMAGE) University of Groningen Caption This is Sijbren Otto, Professor of Systems Chemistry at the University of Groningen, the Netherlands Credit Sylvia Germes Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.