A novel colorimetric and fluorescent chemosensor:: synthesis and selective detection for Cu2+ and Hg2+

被引：130
|
作者：
Mu, Honglei [1 ]
Gong, Rui [1 ]
Ma, Qiao [1 ]
Sun, Yimin [1 ]
Fu, Enqin [1 ]
机构：
[1] Wuhan Univ, Dept Chem, Hubei Key Lab Organ & Polymer Optoelect Mat, Wuhan 430072, Peoples R China
来源：
TETRAHEDRON LETTERS | 2007年 / 48卷 / 31期
基金：
中国国家自然科学基金;
关键词：
macrocyclic dioxotetraamine; 1,8-naphthalimide; selective coloration; recognition; Cu2+; Hg2+;
D O I：
10.1016/j.tetlet.2007.05.155
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A novel two-channel metal ion sensor has been synthesized from macrocyclic dioxotetraamine and 1,8-naphthalimide derivative. The metal ion-selective signaling behaviors of the sensor were investigated. The sensor presented the selective coloration for Cu2+ and Hg2+ that can be detected by the naked-eye, respectively. Besides, the addition Of Cu2+ and Hg2+ quenched the fluorescence of 1 obviously and the detection limit was found to be 3 x 10(-7) M for Cu2+ and 7 x 10(-7) M for Hg2+. This sensor can be utilized for the visual and spectroscopic detection of Cu2+ or Hg2+ in the presence of the other competing metal ions. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：5525 / 5529
页数：5
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