A new bifunctional fluorescent sensor based on naphthalimide-functionalized silica nanoparticles for detection and adsorption of Cu2+ in aqueous solution

被引：0

作者：

Zhang, Xiangyang ^{[1
]}

Shen, Youming ^{[1
]}

Zhang, Hui ^{[1
]}

Jin, Junling ^{[1
]}

Zhou, Shibiao ^{[1
]}

机构：

[1] Hunan Univ Arts & Sci, Coll Chem & Chem Engn, Changde 415000, Peoples R China

来源：

ANALYTICAL METHODS | 2015年 / 7卷 / 20期

基金：

中国国家自然科学基金;

关键词：

MESOPOROUS SILICA; MAGNETIC NANOPARTICLES; CHROMOGENIC SENSOR; COPPER; IONS; CHEMOSENSOR; DISEASES; HG2+;

D O I：

10.1039/c5ay01481f

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new bifunctional fluorescent sensor for Cu2+ based on naphthalimide-functionalized silica nanoparticles (NF-SiO2) was designed and synthesized. NF-SiO2 exhibits excellent fluorescence sensitivity and selectivity towards Cu2+ over other metal ions in aqueous media, and it also shows a good adsorption capacity for Cu2+. Moreover, the detection limit of NF-SiO2 for Cu2+ is 1.5 x 10(-7) M (S/N = 3) and it can be easily recovered by treatment of a solution of EDTA. These results indicate that this fluorescent sensor may find potential and favorable applications for simple detection and efficient removal of Cu2+ in toxicological and environmental fields.

引用

页码：8925 / 8930

页数：6

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