Highly Sensitive Fluorescence Probe Based on Functional SBA-15 for Selective Detection of Hg2+

被引：55

作者：

Wang, Xiaoyu ^{[1
]}

Wang, Pan ^{[1
]}

Dong, Zihao ^{[1
]}

Dong, Zhengping ^{[1
]}

Ma, Zongyan ^{[1
]}

Jiang, Jian ^{[1
]}

Li, Rong ^{[1
]}

Ma, Jiantai ^{[1
]}

机构：

[1] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China

来源：

NANOSCALE RESEARCH LETTERS | 2010年 / 5卷 / 09期

关键词：

SBA-15; Dansylamide; DA/SBA-15; Hg2+ ion; Detection; MESOPOROUS SILICA; MERCURY LEVELS; BEARING; CHEMOSENSOR; SENSOR; DERIVATIVES; CHAIN;

D O I：

10.1007/s11671-010-9663-5

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

An inorganic-organic hybrid fluorescence chemosensor (DA/SBA-15) was prepared by covalent immobilization of a dansylamide derivative into the channels of mesoporous silica material SBA-15 via (3-aminopropyl)triethoxysilane (APTES) groups. The primary hexagonally ordered mesoporous structure of SBA-15 was preserved after the grafting procedure. Fluorescence characterization shows that the obtained inorganic-organic hybrid composite is highly selective and sensitive to Hg2+ detection, suggesting the possibility for real-time qualitative or quantitative detection of Hg2+ and the convenience for potential application in toxicology and environmental science.

引用

页码：1468 / 1473

页数：6

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