Original ResearchPublished 7 October 2026Nanoprobe XRF analysis reveals the intracellular distribution of organometallic rhenium complexes with different directing ligandC. Rumancev · S. K. Vellas · A. Gräfenstein · D. Obitz · J. Garrevoet · G. Falkenberg · N. Metzler-Nolte · A. RosenhahnFrontiers in Chemical Biologydoi 10.3389/fchbi.2026.1903385