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Synthesis of Schiff base-Based 1,2,4-Oxadiazole Derivative as Fluorescence Turn-On Sensor for High Selectivity of Pb2+

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Abstract

A new probe based on oxadiazole derivative (OXD) containing Schiff base moiety was synthesised as fluorescence turn-on sensor S1 . Furthermore, its fluorescents spectra (FS) result demonstrate that S1 selectively senses bivalent lead ion (Pb2+) in HEPES buffer solution (10 mM, pH = 7.0,DMF-H2O, 9:1, v/v), so S1 was a viable candidate as fluorescent receptor for a new Pb2+ sensor. And the results of fluorescent spectral titration showed this sensor formed 1:1complex with Pb2+.

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Correspondence to Haibo Wang.

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Liu, W., Wu, G., Gu, X. et al. Synthesis of Schiff base-Based 1,2,4-Oxadiazole Derivative as Fluorescence Turn-On Sensor for High Selectivity of Pb2+ . J Fluoresc 25, 557–561 (2015). https://doi.org/10.1007/s10895-015-1534-0

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  • DOI: https://doi.org/10.1007/s10895-015-1534-0

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