An efficient ratiometric fluorescent probe based on dual-emission fluorescent silica nanoparticles for visual determination of Hg2+

被引:13
|
作者
Wang, Jing [1 ]
Ma, Meng [2 ]
Huang, Rongbin [1 ]
Wang, Ligeng [1 ]
Chen, Aimin [1 ]
Hu, Jun [1 ]
机构
[1] Zhejiang Univ Technol, Coll Chem Engn, Hangzhou 310014, Zhejiang, Peoples R China
[2] Zhejiang Univ Technol, Coll Mat Sci & Engn, Hangzhou 310014, Zhejiang, Peoples R China
基金
中国国家自然科学基金;
关键词
ATOMIC-ABSORPTION-SPECTROMETRY; DISPLACEMENT SORPTION PRECONCENTRATION; PERFORMANCE LIQUID-CHROMATOGRAPHY; QUANTUM DOTS HYBRID; GOLD NANOPARTICLES; AQUEOUS-MEDIA; LIVING CELLS; ULTRASENSITIVE DETECTION; SENSING MERCURY(II); SPECIATION ANALYSIS;
D O I
10.1039/c4ay02905d
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
We herein designed a ratiometric fluorescent probe by hybridizing fluorescein isothiocyanate-doped silica nanoparticles with CdTe/CdS quantum dots and demonstrated its efficiency for visual detection of Hg2+. The color of the solution gradually turned from red to green along with the increase of Hg2+ concentration.
引用
收藏
页码:2295 / 2299
页数:5
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