A colorimetric, ultraviolet absorption and fluorescence three-signal probe based on bis-carbazole for Al3+ detection and the application in cell imaging

被引：22

作者：

Gao, Zhi-Yan ^{[1
]}

Zhang, Cui-Jiao ^{[1
]}

Zhang, Xian ^{[1
]}

Xing, Shu ^{[2
]}

Yao, Jin-shui ^{[1
]}

Qiao, Cong-de ^{[1
]}

Liu, Qin-ze ^{[1
]}

机构：

[1] Shandong Acad Sci, Qilu Univ Technol, Sch Mat Sci & Engn, Jinan 250353, Shandong, Peoples R China

[2] Shandong Acad Sci, Qilu Univ Technol, Sch Chem & Pharmaceut Engn, Jinan 250353, Shandong, Peoples R China

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2019年 / 1188卷

基金：

中国国家自然科学基金;

关键词：

Schiff base; Detection; Three-signal; Al-3(+); Imaging; SCHIFF-BASE; SELECTIVE DETECTION; RECOGNITION; CHEMOSENSOR; ALUMINUM; CU2+; ION; AL(III); SENSOR; FE3+;

D O I：

10.1016/j.molstruc.2019.03.046

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel Schiff-base, [9-(2-Chloro-ethyl)-9H-carbazol-3-yl-methylene]-(9-ethyl-9H-carbazol-3-yl)-amine (CECA) was designed and synthesized, which was highly selective and sensitive for the detection of Al3+ by colorimetric, ultraviolet absorption and fluorescence three-signal methods. The detection limit was evaluated to be as low as 74 nmol/L for the ultraviolet absorption method and 19 nmol/L for fluorometric method. These three methods could determine qualitatively and quantitatively the concentrations of Al3+ and been used in different conditions. The mechanism was explored that the double bond (C=N) of CECA was broken to form the carbazole aldehyde and carbazole amine complex accompanied by fluorescence enhancement by the Job's plot, H-1 NMR, the electrospray ionization mass spectra (EI-MS) and fluorescence methods. More significantly, the fluorescence imaging showed that CECA could detect Al3+ in living cells. (C) 2019 Elsevier B.V. All rights reserved.

引用

页码：14 / 22

页数：9

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