Toxic metal cations in environmental samples can be detected with ultrahigh sensitivity through measurements of the tunnelling current across crosslinked films of nanoparticles decorated with striped monolayers of organic ligands.
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Rurack, K. Striped cation-trappers. Nature Mater 11, 913–914 (2012). https://doi.org/10.1038/nmat3469
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DOI: https://doi.org/10.1038/nmat3469
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