A Bifunctional “Off-On” Fluorescence Probe Based on Naphthalene for the Detection of Ag+ and Al3+ and Its Application in Practical Water Samples, as a Logic gate and as Test Paper,ChemistrySelect

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A Bifunctional “Off-On” Fluorescence Probe Based on Naphthalene for the Detection of Ag+ and Al3+ and Its Application in Practical Water Samples, as a Logic gate and as Test Paper
ChemistrySelect ( IF 1.9 ) Pub Date : 2021-09-06 , DOI: 10.1002/slct.202102022
Dong Yang ₁ , Bin Zhu ₁ , Dongmei Zhang ₁ , Xia Zhang ₁ , Wenbo Liu ₁ , Jing Xue ₁ , Yaoyi Wei ₁ , Caifeng Bi ₁ , Yuhua Fan ₁

Affiliation

A bifunctional fluorescence probe (PCT) based on 2-Hydroxy-1-naphthaldehyde and thiosemicarbazide was developed. The probe PCT can selectively detect Ag⁺ and Al³⁺ with two clear fluorescence color changes from colorless to yellow and blue violet, respectively. According to the Job's plots and mass spectrum, the binding stoichiometry of the probe PCT with Ag⁺ and Al³⁺ was 1 : 1, respectively. Moreover, the detection limit values of PCT for Ag⁺ and Al³⁺ in neutral solutions were 1.97 and 1.63 nM and these values were remarkably lower than allowed Ag⁺ and Al³⁺ concentrations in potable water determined by the World Health Organization (WHO). The distinct different binding mode were elucidated in this paper. Finally, the probe PCT has been used successfully for the detection of Ag⁺ and Al³⁺ in real water samples, logic gate and test paper.

中文翻译：

基于萘的双功能“关断”荧光探针用于检测 Ag+ 和 Al3+ 及其在实际水样中的应用，作为逻辑门和试卷

开发了一种基于2-羟基-1-萘醛和氨基硫脲的双功能荧光探针( PCT)。探针PCT可以选择性地检测Ag ⁺和Al ^{3+ ，}具有从无色到黄色和蓝紫色的两种清晰的荧光颜色变化。根据乔布图和质谱，探针PCT与Ag ⁺和Al ³⁺的结合化学计量分别为1:1。此外，PCT在中性溶液中对 Ag ⁺和 Al ³⁺的检测限分别为 1.97 和 1.63 nM，这些值显着低于允许的 Ag ⁺和 Al由世界卫生组织 (WHO) 确定的饮用水中³⁺浓度。本文阐明了不同的结合模式。最后，探针PCT已成功用于实际水样、逻辑门和试纸中Ag ⁺和Al ^{3+ 的}检测。

更新日期：2021-09-06

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