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- W75572287 abstract "A series of luminescent rhenium(I) polypyridine complexes containing an isothiocyanate moiety, [Re(N−N)(CO)3(py-3-NCS)](CF3SO3), has been synthesised and characterised. The X-ray crystal structure of [Re(bpy)(CO)3(py-3-NCS)](CF3SO3) has been investigated. Upon photoexcitation, these complexes display intense and long-lived green to orange-red photoluminescence. The emission wavelengths vary from 502 to 650 nm and the emission lifetimes range from 0.05 to 9.15 μs. The luminescence is assigned to a triplet metal-to-ligand charge-transfer (MLCT) (dπ(Re) → π*(diimine)) excited state. The incorporation of an isothiocyanate moiety into the pyridine ring enables these complexes to target the amine groups of modified oligonucleotides and protein molecules. An amine-modified oligonucleotide and human serum albumin have been labelled with one of the complexes, [Re(phen)(CO)3(py-3-NCS)](CF3SO3), to form bioconjugates. These bioconjugates exhibit strong and long-lived luminescence in aqueous buffers under ambient conditions. In addition, a heterogeneous competitive assay for biotin has been developed using avidin labelled with one of the complexes and biotinylated microspheres. A new class of luminescent rhenium(I) polypyridine maleimide complexes [Re(N−N)(CO)3(py-3-mal)](CF3SO3) has been synthesised, characterised and their photophysical and electrochemical properties studied. The crystal structure of [Re(2,9-Me2-phen)(CO)3(py-3-mal)](CF3SO3) has been established. These complexes exhibit intense and long-lived emission in fluid solutions at 298 K upon photoexcitation. The emission wavelengths vary from 514 to 654 nm and the emission lifetimes fall in the microsecond" @default.
- W75572287 created "2016-06-24" @default.
- W75572287 creator A5051961898 @default.
- W75572287 date "2004-01-01" @default.
- W75572287 modified "2023-09-22" @default.
- W75572287 title "Biological labelling reagents and probes derived from Luminescent Rhenium (I) Polypyridine complexes" @default.
- W75572287 hasPublicationYear "2004" @default.
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