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Issue 35, 2012
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Copper(II) complexes as turn on fluorescent sensors for nitric oxide

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Abstract

Two copper(II) complexes, 1 and 2, of two tridentate N-donor ligands, L11 and L22 [L11 = dansyl derivative of bis-[3-(dimethylamino)-propyl]amine; L22 = dansyl derivative of dipropylenetriamine] were synthesized and characterized. The quenched fluorescence intensity of complexes 1 and 2, in degassed methanol or aqueous (buffered at pH 7.2) solution, was found to reappear on exposure to nitric oxide. This is attributed to the reduction of paramagnetic Cu(II) center by nitric oxide to diamagnetic Cu(I).

Graphical abstract: Copper(ii) complexes as turn on fluorescent sensors for nitric oxide

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Publication details

The article was received on 13 Mar 2012, accepted on 06 Jul 2012 and first published on 23 Jul 2012


Article type: Paper
DOI: 10.1039/C2DT31068F
Citation: Dalton Trans., 2012,41, 10543-10548
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    Copper(II) complexes as turn on fluorescent sensors for nitric oxide

    P. Kumar, A. Kalita and B. Mondal, Dalton Trans., 2012, 41, 10543
    DOI: 10.1039/C2DT31068F

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