A phenanthroxazole-based fluorescent sensor for Cd2+ has been developed. Of particular significance is the specific ratiometric response of the sensor toward Cd2+ without interference from other biologically important metal ions including Zn2+. The test paper made of this sensor exhibits both absorption and fluorescent color changes when exposed to Cd2+ aqueous solution.
L. Zhang, Q. Tong and L. Shi, Dalton Trans., 2013, 42, 8567 DOI: 10.1039/C3DT50640A
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