Photoswitchable Fluorescence of Peptide-Based Hemipiperazines Inside of Living Cells - Peter Gödtel; Anna Rösch; Susanne Kirchner; Rabia Elbuga-Ilica; Angelika Seliwjorstow; Olaf Fuhr; Ute Schepers; Zbigniew Pianowski (Journal of the American Chemical Society, 2025)