1. Department of Mathematics and Natural Sciences, Research Group Bioorganic Chemistry of Bioactive Surfaces, Institute of Chemistry and Biotechnology, Technical University Ilmenau, Prof.-Schmidt-Straße 26, 98693 Ilmenau, Germany
2. Department of Mathematics and Natural Sciences, Institute of Chemistry and Biotechnology, Nano-Biosystems Engineering Group, Technical University Ilmenau, Prof.-Schmidt-Straße 26, 98693 Ilmenau, Germany
3. Department of Mathematics and Natural Sciences, Institute of Physics, Group Technical Physics I, Technical University Ilmenau, Weimarer Straße 32, 98693 Ilmenau, Germany
4. Institute for Bioprocessing and Analytical Measurement Techniques, Rosenhof 1, 37308 Heilbad Heiligenstadt, Germany