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
收藏
页码：10414 / 10419
页数：6
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