A highly selective and sensitive fluorescent turn-on chemosensor for Al3+ based on a chromone Schiff base

被引：38
|
作者：
Liu, Chunjiao [1 ]
Yang, Zhengyin [1 ]
Yan, Mihui [1 ]
机构：
[1] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China
来源：
JOURNAL OF COORDINATION CHEMISTRY | 2012年 / 65卷 / 21期
基金：
中国国家自然科学基金;
关键词：
Fluorescence sensor; Chromone; Aluminum ion; SENSORS; IONS;
D O I：
10.1080/00958972.2012.726987
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A Schiff-base fluorescent sensor, 7-methoxychromone-3-carbaldehyde-(3',4'-dimethyl)pyrrole hydrazone (MCPH), was synthesized. The new sensor showed high selectivity for Al3+ over other metal ions examined in acetonitrile. Upon binding Al3+, a significant fluorescence enhancement with a turn-on ratio over 101-fold was triggered. The detection limit of MCPH for Al3+ was 2.5 x 10(-7) mol L-1
引用
收藏
页码：3845 / 3850
页数：6
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