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Rhenium (I) Complexes as Probes for Prokaryotic and Fungal Cells by Fluorescence Microscopy: Do Ligands Matter?

Title Rhenium (I) Complexes as Probes for Prokaryotic and Fungal Cells by Fluorescence Microscopy: Do Ligands Matter?
Authors Carolina Otero, Alexander Carreño, Rubén Polanco, Felipe M. Llancalahuen, Ramiro Arratia-Pérez, Manuel Gacitúa, Juan A. Fuentes
Magazine Frontiers in Chemistry
Date 06/26/2019
DOI 10.3389/fchem.2019.00454
Introduction Rhenium (I) complexes are promising tools for cellular imaging, particularly in fluorescence microscopy, due to their low toxicity and efficient cellular uptake. These properties can be adjusted by altering the ligands around the metal core. Traditionally, Re(I) complexes have been tested on non-walled cells, such as epithelial cells. However, these complexes faced challenges in staining walled cells, including bacteria and fungi, due to their rigid cell walls obstructing cellular uptake. Recent studies indicate that a strategic combination of ligands can enable Re(I) complexes to effectively stain walled cells. This review highlights the key features of various fluorophores in bioimaging, emphasising d6-based complexes and Re(I) complexes. We examined structural aspects that facilitate the development of fluorophores tailored for walled cells, focusing on ligand selection. With the increasing biotechnological applications of bacteria and fungi, developing new fluorophores for their study is crucial and appealing.
Quote Carolina Otero, Alexander Carreño and Rubén Polanco et al. Rhenium (I) Complexes as Probes for Prokaryotic and Fungal Cells by Fluorescence Microscopy: Do Ligands Matter?. Front Chem. 2019. Vol. 7. DOI: 10.3389/fchem.2019.00454
Materials Chemical Compounds
Industry Research & Laboratory
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