Reversible and Sensitive Hg<sup>2+</sup> Detection by a Cell-Permeable Ytterbium Complex

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Journal Article
Inorganic Chemistry, 2018, 57 (1), pp. 120 - 128
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© 2017 American Chemical Society. A cell-permeable ytterbium complex shows reversible binding with Hg2+ in aqueous solution and in vitroby off-on visible and NIR emission. The fast response and 150 nM sensitivity of Hg2+ detection is based upon FRET and the lanthanide antenna effect. The reversible Hg2+ detection can be performed in vitro, and the binding mechanism is suggested by NMR employing the motif structure in a La complex and by DFT calculations.
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