Matches in SemOpenAlex for { <https://semopenalex.org/work/W2969571753> ?p ?o ?g. }
- W2969571753 endingPage "114117" @default.
- W2969571753 startingPage "114117" @default.
- W2969571753 abstract "The complex trans-[Ru(NO)(H2O)(L)](ClO4)3 (L = (1-anthracen-9-ylmethyl)-1,4,8,11-tetraazacyclotetradecane) (RuNOL) was synthesized and characterized, and its photophysics and reactivity were investigated. The FTIR spectrum displays a νNO band at 1840 cm−1, indicating a nitrosonium character. 1H and 13C signals in 1D and 2D NMR spectra were assigned and are consistent with the trans configuration. The UV–Vis spectrum displays maximal absorption bands at 341 nm (log ε 3.74), 363 nm (log ε 3.91), 378 nm (log ε 3.97) and 397 nm (log ε 3.91). Coordination of the [RuNO] moiety to the L ligand strongly quenches the anthracenyl fluorescence, and thus RuNOL exhibits only very weak emission at 390, 418, 440 and 472 nm. Electrochemical studies indicate that cathodic peak potentials at +1.10 V(Ic), −0.1 V(IIc) and −0.4 V(IIIc) (vs Ag/AgCl) are related to An+/An, {RuNO}6/7 and {RuNO}7/8 reduction processes, respectively. The pKa of coordinated water was estimated as 2.8 ± 0.2 by DPV. The emission of the pendant fluorophore increases upon electrochemical or chemical reduction of RuNOL, and the resulting switch-ON fluorescence is possibly due to NO release from the target complex. Spectroscopic titrations with DNA resulted in hypochromism and red shifts and allowed estimation of binding constants of 1.9 × 103 (L) and 1.8 × 103 (RuNOL). Molecular docking showed that RuNOL complex has a great affinity with DNA. The RuNOL complex showed low cytotoxicity toward MCF-7 and NIH-3T3 and was ineffective in healthy HUVEC and A7r5 cell lines in the range of concentration of 1 × 10−7–1 × 10−4 mol L−1." @default.
- W2969571753 created "2019-08-29" @default.
- W2969571753 creator A5003520626 @default.
- W2969571753 creator A5015727428 @default.
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- W2969571753 creator A5046843703 @default.
- W2969571753 creator A5047894793 @default.
- W2969571753 creator A5053666594 @default.
- W2969571753 creator A5088441163 @default.
- W2969571753 date "2019-11-01" @default.
- W2969571753 modified "2023-10-15" @default.
- W2969571753 title "A ruthenium nitrosyl cyclam complex with appended anthracenyl fluorophore" @default.
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