A cell-permeable ytterbium complex shows reversible binding with Hg in aqueous solution and in vitroby off-on visible and NIR emission. The fast response and 150 nM sensitivity of Hg detection is based upon FRET and the lanthanide antenna effect. The reversible Hg 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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Reversible and Sensitive Hg Detection by a Cell-Permeable Ytterbium Complex.
Inorg Chem
January 2018
Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR, People's Republic of China.
A cell-permeable ytterbium complex shows reversible binding with Hg in aqueous solution and in vitroby off-on visible and NIR emission. The fast response and 150 nM sensitivity of Hg detection is based upon FRET and the lanthanide antenna effect. The reversible Hg 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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