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Dr. Hirokazu Komatsu, Kazuki Yoshihara, Dr. Hisatsugu Yamada, Dr. Yu Kimura, Dr. Aoi Son, Prof. Dr. Sei-ichi Nishimoto and Dr. Kazuhito Tanabe Ruthenium Complexes with Hydrophobic Ligands That Are Key Factors for the Optical Imaging of Physiological Hypoxia Chemistry - A European Journal 19

Version of Record online: 20 DEC 2012 | DOI: 10.1002/chem.201202809

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Optimal imaging: The phosphorescence emission of ruthenium complexes was applied to the optical imaging of physiological hypoxia. Three complexes with hydrophobic substituents on the phenanthroline ligand were characterized; their emission was quenched by molecular oxygen. Among the complexes synthesized in this study, a pyrene chromophore-linked ruthenium complex, Ru-Py, exhibited the optimal properties for the imaging of hypoxia (see figure).

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