A highly selective chemosensor for naked-eye sensing of nanomolar Cu(II) in an aqueous medium

被引：41

作者：

Qian, Yaao ^{[1
]}

Cao, Li ^{[1
]}

Jia, Chunman ^{[1
,2
]}

Boamah, Peter Osei ^{[3
]}

Yang, Qiuyun ^{[1
]}

Liu, Chunling ^{[1
]}

Huang, Yan ^{[4
]}

Zhang, Qi ^{[1
,4
]}

机构：

[1] Hainan Univ, Hainan Prov Key Lab Fine Chem, Haikou 570228, Hainan, Peoples R China

[2] Hainan Univ, Natl Minist Educ Trop Resources Utilizat, Key Study Ctr, Haikou 570228, Hainan, Peoples R China

[3] Bolgatanga Polytech, Dept Ecol Agr, Bolgatanga, Ghana

[4] Jiangsu Univ, Sch Chem & Chem Engn, Zhenjiang 212013, Jiangsu, Peoples R China

来源：

RSC ADVANCES | 2015年 / 5卷 / 95期

基金：

中国国家自然科学基金;

关键词：

RATIOMETRIC FLUORESCENT-PROBE; COLORIMETRIC CHEMOSENSOR; CU2+ DETECTION; SCHIFF-BASE; ION DETECTION; LIVING CELLS; COPPER IONS; SENSOR; SPECTROMETRY; DERIVATIVES;

D O I：

10.1039/c5ra12407g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel highly selective and sensitive colorimetric chemosensor L for the detection of Cu2+ ion with a fast response time was designed and synthesized. Receptor L detected Cu2+ ion by changing its color from colorless to magenta in a semi-aqueous solution. The limit of detection for Cu2+ was calculated to be as low as 28 nM. The possible binding mode of compound L with Cu2+ ion was studied using the Job's method, HRMS, FTIR spectroscopy and H-1 NMR spectroscopy titration. Importantly, test strips containing L were fabricated as a naked-eye indicator for Cu2+ ion in pure water samples.

引用

页码：77965 / 77972

页数：8

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