A pyrene based fluorescent turn-on chemosensor: aggregation-induced emission enhancement and application towards Fe3+ and Fe2+ recognition

被引：34

作者：

Padghan, Sachin D. ^{[1
]}

Puyad, Avinash L. ^{[2
]}

Bhosale, Rajesh S. ^{[1
]}

Bhosale, Sidhanath V. ^{[1
]}

Bhosale, Sheshanath V. ^{[3
]}

机构：

[1] CSIR, Indian Inst Chem Technol, Polymers & Funct Mat Div, Hyderabad 500007, Telangana, India

[2] Swami RamanandTeerthMarathwada Univ, Sch Chem Sci, Nanded 431606, Maharashtra, India

[3] RMIT Univ, Sch Sci, GPO Box 2476, Melbourne, Vic 3001, Australia

来源：

PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES | 2017年 / 16卷 / 11期

基金：

澳大利亚研究理事会;

关键词：

RHODAMINE-BASED CHEMOSENSOR; SELECTIVE DETECTION; IRON; PROBE; CU2+; IRON(III); IONS; DERIVATIVES; ABSORPTION; RECEPTOR;

D O I：

10.1039/c7pp00329c

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A pyrene-based probe bearing benzothiazole ionophore (Py-BTZ) was synthesised as a "turn-on" fluorescent chemosensor for the detection of Fe3+ and Fe2+ ions in CH3CN : H2O (1 : 1, v/v) solvent mixes. The chemosensor showed optical as well as colorimetric changes towards Fe3+ and Fe2+ ions along with a remarkable enhancement in fluorescence emission. The detection limit of Py-BTZ towards Fe3+ and Fe2+ ions was found to be 2.61 mu M and 2.06 mu M, respectively. The binding of Py-BTZ with Fe3+ and Fe2+ was determined by using FT-IR experiments. Interestingly, Py-BTZ shows aggregation induced emission enhancement (AIEE) properties in polar solvent mixes such as CH3CN : H2O (1 : 1, v/v).

引用

页码：1591 / 1595

页数：5

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