Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 278, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2022.121340
Keywords
Salamo-salen-salamo based sensor; Multiple response; ICT mechanism; Zn2+; Phosphate anion
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Funding
- National Natural Science Foun-dation of China [21761018]
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A novel and highly selective fluorescent chemical sensor for Zn2+ and phosphate anions has been synthesized and characterized. The identification processes and coordination mechanism have been explored using characterization methods. The sensors show promising potential in the detection of Zn2+ and phosphate anions.
A salamo-salen-salamo hybrid fluorescent chemical sensor (H4L) was synthesized and characterized. It exhibits high selectivity and sensitivity to Zn2+ in physiological pH range. Meanwhile, its zinc(II) complex (L-Zn2+) continuously responses phosphate anions in DMF/H2O (v/v, 9:1) solution. Moreover, the identification processes are explored using characterization methods such as UV-absorption spectra, IR spectra and ESI-MS spectrum. In addition, the coordination mechanism of H2PO4 and Zn2+ were successfully exploited to make the chemical sensor reproducible. In short, the sensors H4L and L-Zn2+ will be promising detection devices for Zn2+ and phosphate anions. (C) 2022 Elsevier B.V. All rights reserved.
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