Issue 95, 2015
From the journal:

RSC Advances

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

Yaao Qian,a   Li Cao,a   Chunman Jia,*ab   Peter Osei Boamah,c   Qiuyun Yang,a   Chunling Liu,a   Yan Huangd  and  Qi Zhang*ad  

* Corresponding authors

a Hainan Provincial Key Lab of Fine Chemistry, Hainan University, Haikou, Hainan 570228, China
E-mail: zhangqi@hainu.edu.cn
Tel: +86-0898-66257271

b Key Study Center of the National Ministry of Education for Tropical Resources Utilization, Hainan University, Haikou, Hainan 570228, China

c Department of Ecological Agriculture, Bolgatanga Polytechnic, Bolgatanga, Ghana

d School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China

Abstract

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 1H NMR spectroscopy titration. Importantly, test strips containing L were fabricated as a naked-eye indicator for Cu2+ ion in pure water samples.

Graphical abstract: A highly selective chemosensor for naked-eye sensing of nanomolar Cu(ii) in an aqueous medium

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Article information

DOI
https://doi.org/10.1039/C5RA12407G
Article type
Paper
Submitted
26 Jun 2015
Accepted
01 Sep 2015
First published
01 Sep 2015

RSC Adv., 2015,5, 77965-77972

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

Y. Qian, L. Cao, C. Jia, P. O. Boamah, Q. Yang, C. Liu, Y. Huang and Q. Zhang, RSC Adv., 2015, 5, 77965 DOI: 10.1039/C5RA12407G

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