A new “on-the-fly” chemical optical detection strategy based on the incorporation of fluorescence CdTe quantum dots (QDs) on the surface of self-propelled tubular micromotors is presented. The motion-accelerated binding of trace Hg to the QDs selectively quenches the fluorescence emission and leads to an effective discrimination between different mercury species and other co-existing ions.
B. Jurado-Sánchez, A. Escarpa and J. Wang, Chem. Commun., 2015, 51, 14088 DOI: 10.1039/C5CC04726A
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