Abstract
We report a novel fluorinated aza-macrocycle that affords a linear increase in longitudinal and transverse 19F NMR relaxation rates between 100μM to 1mM Mn2+ concentrations. The linear response which is unaffected in the presence of other biologically relevant metal ions and 19F-MR phantom images of macrocycle solutions in presence of Mn2+ indicate the potential applicability of the probe as a 19F-MR based Mn2+ sensor.
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