A naphthyl thiourea-based effective chemosensor HNC, (E)-2-(2-hydroxy-3-methoxybenzylidene)-N-(naphthalen-1-yl)hydrazine-1-carbothioamide, was synthesized. HNC showed quick responses toward Ag⁺ and Zn²⁺ through marked fluorescence turn-on in different solvent conditions, respectively. Binding proportions of HNC to Ag⁺ and Zn²⁺ were found to be 2:1 and 1:1, respectively. Detection limits of HNC for Ag⁺ and Zn²⁺ were calculated as 3.82 and 0.21 μM. Binding processes of HNC for Ag⁺ and Zn²⁺ were represented using Job’s plot, DFT, ¹H NMR titration, and ESI-MS.

中文翻译：

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基于萘基硫脲的有效化学传感器，用于 Ag+ 和 Zn2+ 的荧光检测

合成了一种基于萘基硫脲的有效化学传感器HNC，( E )-2-(2-羟基-3-甲氧基亚苄基) -N- (naphthalen-1-yl)hydrazine-1-carbothioamide。HNC分别在不同的溶剂条件下通过显着的荧光开启显示出对 Ag ⁺和 Zn ^{2+ 的}快速响应。发现HNC与 Ag ⁺和 Zn ^{2+ 的}结合比例分别为 2:1 和 1:1。HNC对 Ag ⁺和 Zn ^{2+ 的}检测限计算为 3.82 和 0.21 μM。HNC对Ag ^+的结合工艺和 Zn ²⁺使用约伯图、DFT、¹ H NMR 滴定和 ESI-MS 表示。