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  • Title: Highly selective fluorescent sensing for CN- in water: utilization of the supramolecular self-assembly.
    Author: Shi B, Zhang P, Wei T, Yao H, Lin Q, Zhang Y.
    Journal: Chem Commun (Camb); 2013 Sep 14; 49(71):7812-4. PubMed ID: 23884287.
    Abstract:
    A simple 4-amino-3-hydroxynaphthalene-1-sulfonic acid is demonstrated to fluorescently sense CN(-) in water based on the mechanism of supramolecular self-assembly. This work provides a novel approach for the selective recognition of CN(-) anions. The detection limit of the sensor towards CN(-) is 3.2 × 10(-7) M, and other anions, including F(-), Cl(-), Br(-), I(-), AcO(-), H2PO4(-), HSO4(-) and ClO4(-), had nearly no influence on the probing behavior. Notably, the test strips based on S4 were fabricated, which could act as convenient and efficient CN(-) test kits.
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