1. Institute of Analytical Chemistry; Chemo- and Biosensors; University of Regensburg; 93040 Regensburg Germany
2. Department of Chemistry; Fudan University; 200433 Shanghai China
3. BAM - Federal Institute of Materials Research and Testing; Division 1.10 Biophotonics; Richard-Willstätter-Straße 11 12489 Berlin Germany
4. Institute of Experimental and Applied Physics; University of Regensburg; 93040 Regensburg Germany
5. Institute of Chemistry; University of Hohenheim; 70599 Stuttgart Germany
6. German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt, DLR); 37073 Göttingen Germany