C–H oxidation and chelation of a dipyrromethane mediated rapid colorimetric naked-eye Cu(II) chemosensor,Analyst

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C–H oxidation and chelation of a dipyrromethane mediated rapid colorimetric naked-eye Cu(II) chemosensor
Analyst ( IF 3.6 ) Pub Date : 2017-08-04 00:00:00 , DOI: 10.1039/c7an01052d
Rajamani Rajmohan _{1,

2,

3,

4,

5} , Khan Behlol Ayaz Ahmed _{1,

2,

3,

4,

5} , Sampathkumar Sangeetha _{1,

2,

3,

4,

5} , Veerappan Anbazhagan _{1,

2,

3,

4,

5} , Pothiappan Vairaprakash _{1,

2,

3,

4,

5}

Affiliation

Copper(II) ion mediated C–H oxidation of dipyrromethanes (DPMs) to the corresponding dipyrrins followed by complexation invoked the selective sensing of copper(II) ions in aqueous solutions. On the addition of copper, the colour of the DPM solution instantaneously changes from yellow to pink with the detection limit of 0.104 μM measured by absorption spectroscopy, whereas visible colour changes could be observed by the naked eye for concentrations as low as 3 μM.

中文翻译：

二吡咯甲烷介导的快速比色肉眼Cu（II）化学传感器的C–H氧化和螯合

铜（II）离子介导的二吡咯甲烷（DPM）的CH氧化为相应的双吡啶，然后进行络合，从而选择性地感应水溶液中的铜（II）离子。添加铜后，DPM溶液的颜色立即从黄色变为粉红色，通过吸收光谱法测得的检测极限为0.104μM，而对于浓度低至3μM的肉眼，则可以观察到可见的颜色变化。

更新日期：2017-09-08

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