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Vol. 186, Issue 3, March 2015, pp. 125-128

 

Bullet

 

Synthesis and Characterization of an Al3+-Selective Fluorescent Probe
 

1 Jun Zhang, 1, * Na Li, 1 Fa Dai, 1 Qing Luo, 2, * Yuxiang Ji

1 Laboratory of Environmental Monitoring, Environmental Sciences, Hainan Medical University, Haikou, 571101, China
2 Laboratory of Environmental Engineering Management, Environmental Sciences, Hainan Medical University, Haikou, 571101, China
Tel.: +86 898 66973190, fax: +86 898 66989173

* E-mail: oknana@163.com, jyxhn2009@sohu.com

 

Received: 23 February 2015 /Accepted: 23 March 2015 /Published: 31 March 2015

Digital Sensors and Sensor Sysstems

 

Abstract: A new Schiff base compound derived from benzoyl hydrazine has been synthesized and characterized as an Al3+-selective fluorescent probe. Compared to other common metal ions, the proposed probe shows high affinity and sensitibity towards Al3+, and complexing with Al3+ triggers a prominent fluorescence enhancement at 443 nm, accompanied by the change in the absorption spectrum in ethanol phase. With the optimized experimental conditions, the probe exhibited a dynamic response range for Al3+ from 5.010-7 M to 4.510-6 M with a detection limit of 1.110-7 M.

 

Keywords: Al3+, Fluorescent probe, Schiff base, Fluorescent enhancement, Synthesis.

 

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