Issue 96, 2016

A CoII complex for 19F MRI-based detection of reactive oxygen species

Abstract

A fluorinated, air-stable cobalt(II) complex serves as a turn-on 19F magnetic resonance imaging (MRI) tracer for reactive oxygen species including H2O2. Upon oxidation with H2O2, the complex converts from paramagnetic high spin CoII to diamagnetic low spin CoIII resulting in a chemical shift change and enhancement in 19F NMR signal. Further, the oxidation can be reversed in the presence of reductant Na2S2O4. The turn-on response is demonstrated by 19F MRI, characterized by a ∼2–3 fold enhancement in signal.

Graphical abstract: A CoII complex for 19F MRI-based detection of reactive oxygen species

Supplementary files

Article information

Article type
Communication
Submitted
11 Oct 2016
Accepted
08 Nov 2016
First published
08 Nov 2016

Chem. Commun., 2016,52, 13885-13888

A CoII complex for 19F MRI-based detection of reactive oxygen species

M. Yu, D. Xie, K. P. Phan, J. S. Enriquez, J. J. Luci and E. L. Que, Chem. Commun., 2016, 52, 13885 DOI: 10.1039/C6CC08207F

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