Investigations on Diamond-NV-Centers as Alternative Labels in STED Microscopy Mohammad Nouri, Gunilla Harm, Paolo Olivero, Tobias Voß, Stefanie Kroker and Bernd Bodermann EPJ Web Conf., 309 (2024) 02013 Published online: 31 October 2024 DOI: 10.1051/epjconf/202430902013