2-(1-Pyrenyl) benzimidazole as a ratiometric and “turn-on” fluorescent probe for iron(iii) ions in aqueous solution

文献信息

发布日期 2016-02-10

DOI 10.1039/C5AN02565F

影响因子 4.616

作者

Meili Zhao, Zhifu Deng, Jian Tang, Xiufen Zhou, Zhi Chen, Xutian Li, Liting Yang

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摘要

A highly selective and sensitive ratiometric and “turn-on” fluorescent probe for Fe3+, 2-(1-pyrenyl) benzimidazole (L), was synthesized by a one-step process. In emission spectra, the relative intensity ratio of excimer to monomer fluorescence (IE450/IM387) of L increased 510-fold upon the addition of 30 equiv. of Fe3+ with a detection limit of 0.2 μM (11.2 ppb) in aqueous solution. Meanwhile, the fluorescence excitation spectra of L showed a fluorescent “turn-on” probe for Fe3+ with 30-fold enhancement in excitation band intensity of excimer.

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European Journal of Organic Chemistry

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Molecular Diversity

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Analyst

CiteScore: 7.8

自引率: 5.6%

年发文量: 653

Analyst publishes analytical and bioanalytical research that reports premier fundamental discoveries and inventions, and the applications of those discoveries, unconfined by traditional discipline barriers.

2-(1-Pyrenyl) benzimidazole as a ratiometric and “turn-on” fluorescent probe for iron(iii) ions in aqueous solution

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