A New Rhodamine-based Fluorescent Probe for the Discrimination of Fe3+ from Fe2+

被引：5

作者：

You, Qi-Hua ^{[1
,2
]}

Huang, Hua-Bin ^{[1
]}

Zhuang, Zhi-Xia ^{[1
]}

Wang, Xiao-Ru ^{[1
]}

Chan, Wing-Hong ^{[2
]}

机构：

[1] Xiamen Huaxia Univ, Dept Sci & Technol Inspect, Xiamen 361024, Peoples R China

[2] Hong Kong Baptist Univ, Dept Chem, Hong Kong, Hong Kong, Peoples R China

来源：

BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2016年 / 37卷 / 11期

基金：

星火计划;

关键词：

Rhodamine B; Fluorescent probe; Fe3+; AQUEOUS-MEDIA; IRON; CHEMOSENSOR; SPECIATION; IRON(III); SENSOR; HG(II); WATER; IONS;

D O I：

10.1002/bkcs.10971

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new rhodamine-based fluorescent probe for the discrimination of Fe3+ from Fe2+ has been designed and investigated. The probe shows an immediate visual color change in response to Fe3+ and Cu2+, while only Fe3+ triggers the fluorescent change of the probe. The existence of large amount of other metal ions shows negligible interference in the detection of Fe3+. The association constant K-ass of 4.64x10(8)M(-2) (R-2 = 0.994) and 5.38x10(8)M(-2) (R-2 = 0.991) of the complex was derived from UV/Vis and fluorescence titration assuming 1:2 stoichiometry of probe-Fe3+ complex, respectively.

引用

页码：1772 / 1777

页数：6

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