Harald Gröger, Bielefeld University (IMAGE) Bielefeld University Caption Prof. Dr. Harald Gröger is working in 'ONE-FLOW' on a way of producing chemical compounds through combination of bio- and chemocatalysis in flow reactors. The chemical reactions are conducted for example in modules with flow tubes (see picture). Credit Photo: Bielefeld University Usage Restrictions the image may only be used with appropriate caption or credit. 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.