1. Fraunhofer Institute for Manufacturing Technology and Advanced Materials (IFAM), Wiener Str. 12, 28359 Bremen, Germany
2. Department 2 Biology/Chemistry, University of Bremen, Leobener Str. 3, 28359 Bremen, Germany
3. Leibniz Institute for Materials Engineering IWT, Badgasteiner Str. 3, 28359 Bremen, Germany
4. Faculty of Production Engineering, University of Bremen, Badgasteiner Str. 1, 28359 Bremen, Germany