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Transient absorption studies, class

The complexes [Re(CO)3(N-N)(L)]+ (N-N = dppz or dppn (3), L = pyridine or 4-methylpyridine) have been prepared and their luminescence properties studied. Luminescence and transient absorption spectroscopy indicated that this class of complexes exhibited a triplet IL excited state. The intercalative binding of the complexes to double-stranded calf thymus DNA and synthetic oligonucleotides was investigated, and cleavage of the plasmid pBR322 upon visible light irradiation was observed. It appeared that the excited complex [Re(CO)3(dppz)(py)]+ directly oxidized the DNA molecule. However, in the case of the dppn analogue, the... [Pg.5419]

See other pages where Transient absorption studies, class is mentioned: [Pg.185]    [Pg.28]    [Pg.23]    [Pg.340]    [Pg.75]    [Pg.348]    [Pg.23]    [Pg.340]    [Pg.320]    [Pg.610]    [Pg.478]    [Pg.402]    [Pg.401]    [Pg.2046]    [Pg.278]    [Pg.343]    [Pg.203]    [Pg.210]   


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