Zinc ions (Zn) and cadmium ions (Cd) are widely present in our production and life, which are closely related to human health and environmental protection. Hence, it is essential to detect their concentrations. Herein, we developed a convenient and reliable small-molecule fluorescent probe based on Schiff base of dicyanisophorone and 2-hydrazinopyridine. This probe can be able to selectively detect Zn and Cd, showing the advantages of near-infrared emission (the maximum emission wavelength: 668 nm), good selectivity, high sensitivity (the detection limits: 0.21 µM and 0.31 µM, respectively) and rapid response (15 s). It has excellent potential for rapid testing and visual tracking of Zn and Cd in aqueous solution and living cells.
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| http://dx.doi.org/10.1016/j.saa.2022.122243 | DOI Listing |
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A dicyanisophorone-based probe for dual sensing Zn and Cd by near-infrared fluorescence.
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College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, Guangxi 541006, PR China. Electronic address:
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