1. Research Group Medical Biotechnology & Bioengineering, Faculty of Applied Natural Sciences, TH Köln─University of Applied Sciences, Campusplatz 1, 51379 Leverkusen, Germany
2. Institute of Technical Chemistry, Leibniz University Hannover, Callinstraße 5, 30167 Hannover, Germany
3. Research Group Colloid Chemistry, Faculty of Applied Natural Sciences, TH Köln─University of Applied Sciences, Campusplatz 1, 51379 Leverkusen, Germany
4. Institute of Physical Chemistry, Faculty of Mathematics and Natural Sciences, University of Cologne, Greinstraße 4-6, 50939 Cologne, Germany