A highly sensitive and selective fluorescent probe for quantitative detection of Al3+ in food, water, and living cells

被引：24

作者：

Jiang, Qian ^{[1
]}

Li, Mingxin ^{[1
]}

Song, Jie ^{[2
]}

Yang, Yiqin ^{[3
,4
]}

Xu, Xu ^{[1
,4
]}

Xu, Haijun ^{[1
,4
]}

Wang, Shifa ^{[1
,4
]}

机构：

[1] Nanjing Forestry Univ, Nanjing, Jiangsu, Peoples R China

[2] Univ Michigan, Dept Chem & Biochem, Flint, MI 48503 USA

[3] Nanjing Forestry Univ, Coll Chem Engn, Nanjing, Jiangsu, Peoples R China

[4] Nanjing Forestry Univ, Inst Chem Engn, Nanjing, Jiangsu, Peoples R China

来源：

RSC ADVANCES | 2019年 / 9卷 / 18期

基金：

中国国家自然科学基金;

关键词：

SCHIFF-BASE; ALUMINUM IONS; CHEMOSENSOR; SENSOR; DIARYLETHENE; HG2+; MECHANISMS; ZN(II);

D O I：

10.1039/c9ra00447e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Three novel -pinene-based fluorescent probes 2a-2c were designed and synthesized for the selective detection of Al3+. Probe 2a showed higher fluorescence intensity toward Al3+ than the other two compounds. Probe 2a determined the concentration of Al3+ with a rapid response time (45 s), wide pH range (pH = 1-9), excellent sensitivity (LOD = 8.1 x 10(-8) M) and good selectivity. The recognition mechanism of probe 2a toward Al3+ was confirmed by H-1 NMR, HRMS and DFT analysis. Probe 2a was successfully used as a signal tool to quantitatively detect Al3+ in food samples and environmental water samples. Furthermore, probe 2a was successfully utilized to label intracellular Al3+, indicating its promising applications in living cells.

引用

页码：10414 / 10419

页数：6

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