期刊
RSC ADVANCES
卷 7, 期 75, 页码 47547-47551出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra07992c
关键词
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资金
- National Natural Science Foundation of China (NSFC) [21662031, 21661028, 21574104, 21262032]
- Natural Science Foundation of Gansu Province [1506RJZA273]
- Program for Changjiang Scholars and Innovative Research Team in University of Ministry of Education of China [IRT 15R56]
Herein, a mercury(II) ion fluorescent sensor (Z-3) with high sensitivity and immediate response is designed and synthesized. The sensor uses the phenazine group as a luminophore and sulfhydryl as a recognition moiety. The sensor is easily synthesized and it exhibits a remarkable blue shift with Hg2+. Correspondingly, its fluorescence color changes from yellow to blue. In addition, the low naked eye detection limit (10(-5)) of the sensor allows the identification of concentration limits. Moreover, the sensor could detect mercury(II) ions over a wide pH range (from 2 to 8), which indicates that the detection can be carried out in aqueous systems. In addition, test strips are fabricated, which could act as a convenient pathway for the recognition of Hg2+.
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