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  • Title: A high-efficiency salamo-based copper(ii) complex double-channel fluorescent probe.
    Author: Wei ZL, Wang L, Guo SZ, Zhang Y, Dong WK.
    Journal: RSC Adv; 2019 Dec 09; 9(70):41298-41304. PubMed ID: 35540055.
    Abstract:
    In this paper, a salamo-based copper(ii) complex probe L-Cu2+ was synthesized, which combined with copper(ii) ions to form L-Cu2+ for the detection of S2- and had a good fluorescence chemical response. Through spectral analysis, we found that S2- could be identified with high sensitivity and selectivity in the presence of various anions and could be used for the detection of S2- by the naked eye. With the addition of S2-, the solution color changed from colorless to bright yellow. UV absorption, fluorescence and other characterization methods were carried out, and the mechanism of action was determined. In addition, we performed a visual inspection of H2S gas, and the probe L-Cu2+ could detect S2- in the gas molecules, revealing its potential application value in biology and medicine.
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