Amino-thiacalix[4]arene modified screen-printed electrodes as a novel electrochemical interface for Hg(ii) quantification at a pico-molar level†,Analytical Methods

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Amino-thiacalix[4]arene modified screen-printed electrodes as a novel electrochemical interface for Hg(ii) quantification at a pico-molar level†
Analytical Methods ( IF 2.7 ) Pub Date : 2017-11-21 00:00:00 , DOI: 10.1039/c7ay02468a
Prashanth Shivappa Adarakatti _{1,

2,

3,

4,

5} , Craig E. Banks _{6,

7,

8,

9} , Pandurangappa Malingappa _{1,

2,

3,

4,

5}

Affiliation

A simple amino-thiacalix[4]arene modified graphitic carbon has been prepared by a microwave-irradiation process and employed for the quantification of Hg(II) ions immobilized on screen-printed graphite macroelectrodes (SPEs) as a novel voltammetric sensor. The synthesized molecule has been characterized by FT-IR, ¹H-NMR and XPS. The proposed sensor exhibits linearity in the range of 2–20 pM with a detection limit of (3σ) 1 pM. Furthermore, the modified graphitic material has been used as a sensing platform for the measurement of Hg(II) ions in real sample matrices.

中文翻译：

氨基-硫杂杯[4]芳烃修饰的丝网印刷电极，作为皮摩尔级Hg（ii）定量的新型电化学界面†

一种简单的氨基硫杂杯[4]芳烃改性的石墨碳已经通过微波辐照工艺制备，并用于定量固定在丝网印刷的石墨大电极（SPE）上作为新型伏安传感器的Hg（II）离子。合成的分子已通过FT-IR，¹ H-NMR和XPS表征。提出的传感器在2–20 pM范围内表现出线性，检测极限为（3σ）1 pM。此外，改性石墨材料已经用作测量真实样品基质中Hg（II）离子的传感平台。

更新日期：2017-11-21

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