Reversible NIR fluorescent probes for Cu2+ ions detection and its living cell imaging

被引：105

作者：

Kumar, Gujuluva Gangatharan Vinoth ^{[1
,2
]}

Kesavan, Mookkandi Palsamy ^{[1
,2
]}

Sivaraman, Gandhi ^{[3
]}

Annaraj, Jamespandi ^{[4
]}

Anitha, Kandasamy ^{[5
]}

Tamilselvi, Arunachalam ^{[6
]}

Athimoolam, Shenmuganarayanan ^{[7
]}

Sridhar, Balasubramaniyam ^{[8
]}

Rajesh, Jegathalaprathaban ^{[1
,2
]}

机构：

[1] Sethu Inst Technol, Dept Chem, Kariapatti 626115, Tamil Nadu, India

[2] Mohamed Sathak Engn Coll, Chem Res Ctr, Kilakarai 623806, Tamil Nadu, India

[3] Inst Stem Cell Biol & Regenerat Med, Bangalore 560065, Karnataka, India

[4] Madurai Kamaraj Univ, Dept Mat Sci, Sch Chem, Madurai 625021, Tamil Nadu, India

[5] Madurai Kamaraj Univ, Sch Phys, Madurai 625021, Tamil Nadu, India

[6] Thiagarajar Coll, Dept Chem, Madurai 625009, Tamil Nadu, India

[7] Anna Univ, Univ Coll Engn, Dept Phys, Nagercoil 629004, Tamil Nadu, India

[8] Indian Inst Chem Technol, Lab Xray Crystallog, Hyderabad 500007, Andhra Prades, India

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2018年 / 255卷

关键词：

Copper ion sensors; Turn-on fluorescence; Logic gates; DFT calculations; Live cell imaging; OFF-ON FLUORESCENT; COLORIMETRIC PROBE; COPPER; CHEMOSENSOR; CU(II); SPECTROMETRY; RECOGNITION; RHODAMINE; SEAWATER; HG2+;

D O I：

10.1016/j.snb.2017.09.150

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new, easily accessible "off-on-off" colorimetric and fluorescent probes are designed and synthesized. It displayed highly selective and sensitive detection towards Cu2+ ion without having any interference from other competitive metal ions. The examined UVvis and fluorescence spectral changes are caused by the operation if the ligand to metal charge transfer (LMCT) and chelation enhanced fluorescence effect (CHEF) in the presence of Cu2+ to the present probes. Besides, the density functional theory (DFT) calculations have been theoretically supported the photophysical changes. These probes are potentially applied in an analytical application for detecting the trace amount of Cu2+ ions in real water samples. Furthermore, these probes are successfully applied for fluorescence imaging of Cu2+ in HeLa cells. Finally, the use of test strips based on these probes is fabricated, which could act as a convenient and efficient Cu2+ test kit in solution medium and supported on solid medium (silica). (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：3235 / 3247

页数：13

共 53 条

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