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Issue 28, 2019
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Reinforced Ni(II)-cyclam derivatives as dual 1H/19F MRI probes

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Abstract

Reinforced cross-bridged Ni2+-cyclam complexes were functionalised with pendant arms containing both amide protons and CF3 groups that lead to a dual 1H/19F response. The resulting complexes possess very high inertness favourable for MRI applications. The paramagnetism of the Ni2+ ion shifts the amide resonance 56 ppm away from bulk water favouring the chemical exchange saturation transfer (CEST) effect and shortening the acquisition times in 19F magnetic resonance imaging (MRI) experiments, thus enhancing the signal-to-noise ratios compared to the fluorinated diamagnetic reference.

Graphical abstract: Reinforced Ni(ii)-cyclam derivatives as dual 1H/19F MRI probes

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Publication details

The article was received on 11 Feb 2019, accepted on 08 Mar 2019 and first published on 11 Mar 2019


Article type: Communication
DOI: 10.1039/C9CC01204D
Chem. Commun., 2019,55, 4115-4118

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    Reinforced Ni(II)-cyclam derivatives as dual 1H/19F MRI probes

    R. Pujales-Paradela, T. Savić, I. Brandariz, P. Pérez-Lourido, G. Angelovski, D. Esteban-Gómez and C. Platas-Iglesias, Chem. Commun., 2019, 55, 4115
    DOI: 10.1039/C9CC01204D

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