Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB Nobelstrasse 12 70569 Stuttgart Germany Phone +49 711 970-4401 Fax +49 711 970-4200 info@igb.fraunhofer.de www.igb.fraunhofer.de Stay in contact: Phone +49711970-4401 Fax +49711970-4200