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Photodynamische Therapien bieten neue Möglichkeiten, um Krebszellen unschädlich zu machen und Resistenzen zu überwinden. In ihrer Zuschrift auf S. 15094 berichten P. B. O'Connor, H. Chao, P. J. Sadler et al. über lumineszierende Organoiridiumkomplexe mit langlebigen angeregten Zuständen, die Krebszellen nach Zwei‐Photonen‐Aktivierung mit rotem Licht selektiv schädigen. Die Komplexe erzeugen Sauerstoff,...
Strongly luminescent iridium(III) complexes, [Ir(C,N)2(S,S)]+ (1) and [Ir(C,N)2(O,O)] (2), containing C,N (phenylquinoline), O,O (diketonate), or S,S (dithione) chelating ligands, have been characterized by X‐ray crystallography and DFT calculations. Their long phosphorescence lifetimes in living cancer cells give rise to high quantum yields for the generation of 1O2, with large 2‐photon absorption...
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