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EPR sensing of metal and organic cations using a novel spin-labelled dibenzo-24-crown-8-ether

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Abstract

The synthesis of novel dibenzo-24-crown ether substituted nitroxides and their use as spin probes for the detection of cation guests by EPR are reported. Formation of a host–guest complex between the proposed spin probes and several cations, both organic and inorganic, was evidenced by a significant change in the value of the benzylic and nitrogen EPR hyperfine splittings upon complexation. This favorable feature provided a reliable EPR sensor that is able to selectively distinguish different cationic guests.

Graphical abstract: EPR sensing of metal and organic cations using a novel spin-labelled dibenzo-24-crown-8-ether

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Publication details

The article was received on 10 Jul 2018, accepted on 07 Sep 2018 and first published on 07 Sep 2018


Article type: Paper
DOI: 10.1039/C8CP04362K
Citation: Phys. Chem. Chem. Phys., 2019, Advance Article
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    EPR sensing of metal and organic cations using a novel spin-labelled dibenzo-24-crown-8-ether

    L. Gualandi, P. Franchi, A. Credi, E. Mezzina and M. Lucarini, Phys. Chem. Chem. Phys., 2019, Advance Article , DOI: 10.1039/C8CP04362K

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