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BP: Fachverband Biologische Physik

BP 20: Poster VIII

BP 20.11: Poster

Dienstag, 17. März 2020, 14:00–16:00, P2/4OG

Surface functionalization of Nanodiamonds — •Svenja Maurer, Frederike Erb, Karolina Zeh, and Kay-E. Gottschalk — Institute of Experimental Physics, Ulm University, Germany

Fluorescent Nanodiamonds (FNDs), due to their properties, find application in various areas and can be used for fluorescence bioimaging. FNDs contain photostable nitrogen vacancy centers. Their fluorescence shows neither blinking nor photobleaching. The NV-center absorbs green light and emits photons in the near-infrared range. FNDs can be used in vitro as well as in vivo due to their biocompatibility. The fluorescence characteristics can be influenced by the environment such as an external magnetic field and thus FNDs can be used in versatile nanosensors [1]. Various surface modifications of FNDs are possible and necessary for different experiments. We present techniques to functionalize the FND's surface [2].

[1] Hsiao, Wesley Wei-Wen, et al. "Fluorescent nanodiamond: a versatile tool for long-term cell tracking, super-resolution imaging, and nanoscale temperature sensing." Accounts of chemical research 49.3 (2016): 400-407.

[2] Krüger, Anke, et al. "Surface functionalisation of detonation diamond suitable for biological applications." Journal of Materials Chemistry 16.24 (2006): 2322-2328