An efficient pyrimidine-based colorimetric chemosensor for naked-eye recognition of copper in aqueous medium

被引：0

作者：

Dhara, Anamika ^{[1
]}

Guchhait, Nikhil ^{[2
]}

Bhattacharya, Subash Chandra ^{[1
]}

机构：

[1] Jadavpur Univ, Dept Chem, Kolkata 700032, India

[2] Univ Calcutta, Dept Chem, 92 Acharya Prafulla Chandra Rd, Kolkata 700009, India

来源：

JOURNAL OF THE INDIAN CHEMICAL SOCIETY | 2017年 / 94卷 / 07期

关键词：

Colorimetric chemosensor; hydrazino pyrimidine; Cu2+ recognition; DFT study; test kits; FLUORESCENCE SENSOR; FLUORENONE; COMPLEX; CU(II); WATER; CU2+;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A pyrimidine-based receptor 1-(9H-fluoren-9-ylidene)-2-(4,6-dimethylpyrimidin-2-yl)hydrazine (HPF) was designed for naked-eye detection of Cu2+ with high selectivity in the presence of other competitive metal ions. In aqueous solution, upon addition of Cu2+ to HPF a color change from yellow to wine-red due to complex formation. The detection limit (5.03 x 10(-8) M) of HPF for Cu2+ ions is much lower than that recommended by WHO in drinking water (31.5 mu M). The sensor shows consistent performance in a pH value range of 4 to 11. Moreover, test strips based on receptor HPF were fabricated, which could act as a handy and efficient Cu2+ test for "in-the-field" measurement of Cu2+.

引用

页码：781 / 790

页数：10

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