All together now: A “lab on a molecule” for selective and quantitative multi-ion analysis was established. The ruthenium complex, which contains only a single type of recognition site, is a chemosensor for Pb2+, Hg2+, and Cu2+ ions by using quadruple-channel detection (UV/Vis, luminescence, electrogenerated chemiluminescence, and cyclic voltammetry).
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Schmittel et al. (2006) studied this question.
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