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Chem Commun (Camb). 2011 Feb 28;47(8):2438-40. doi: 10.1039/c0cc03639k. Epub 2010 Dec 20.

An effective nanostructured assembly for ion-selective electrodes. An ionophore covalently linked to carbon nanotubes for Pb2+ determination.

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  • 1Department of Analytical and Organic Chemistry, University Rovira i Virgili, Campus Sescelades, Marcel·lĂ­ Domingo s/n, 43007 Tarragona, Spain.


We report on the synthesis of a new hybrid material, i.e. benzo-18-crown-6 covalently linked to multi-wall carbon nanotubes, and its use in solid-state ion-selective electrodes both as a receptor and an ion-to-electron transducer. This new concept leads to potentiometric sensors with extremely high selectivity.

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