Molecules that detect chemicals are the workhorses of analytical devices, but most recognize only one kind of target. A molecular sensor has now been devised that measures the concentrations of several metal ions.
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de Silva, A. Sense and versatility. Nature 445, 718–719 (2007). https://doi.org/10.1038/445718a
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DOI: https://doi.org/10.1038/445718a
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