Fabricating a fluorescence resonance energy transfer system with AIE molecular for sensitive detection of Cu(II) ions

被引：9

作者：

Guan, Pengli ^{[1
]}

Yang, Binsheng ^{[1
]}

Liu, Bin ^{[1
]}

机构：

[1] Shanxi Univ, Minist Educ, Inst Mol Sci, Key Lab Chem Biol & Mol Engn, Taiyuan 030006, Shanxi, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2020年 / 225卷

关键词：

Aggregation-induced emission; Forster resonance energy transfer; Fluorescence probe; Cu2+; BACTERIUM CHLOROFLEXUS-AURANTIACUS; AGGREGATION-INDUCED EMISSION; LIGHT-HARVESTING ANTENNA; PIGMENT ORGANIZATION; METAL-IONS; CHEMODOSIMETER; PROBE;

D O I：

10.1016/j.saa.2019.117604

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The aggregation-induced emission (AIE) luminogens has exhibited strong potential in fabricating the fluorescence resonance energy transfer (FRET) system. In this paper one efficient FRET system was fabricated in aqueous solution based on an AIE molecular (T) and Nile Red (NiR) dyes: T acts as the energy donor and NiR acts as the energy acceptor with a ratio of 250:1. The energy-transfer efficiency from the donor to acceptor is 82.52%, and the antenna effect is 24.9. Base on this data, a very low detection limit for Cu2+ was calculated to be 355 pM. This method displays penitential application on fluorescence probe for small ions or molecular detection by light-harvesting system based on a simple AIE donor under physiological conditions. (C) 2019 Elsevier B.V. All rights reserved.

引用

页数：8

共 48 条

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