Issue 13, 2019

A simple urea-based multianalyte and multichannel chemosensor for the selective detection of F, Hg2+ and Cu2+ in solution and cells and the extraction of Hg2+ and Cu2+ from real water sources: a logic gate mimic ensemble

Abstract

Herein, a hydrazine-based chromogenic, fluorogenic and electrochemical chemosensor BCC [1,5-bis(4-cyanophenyl) carbonohydrazide] was premeditated and synthesized through a simple one-step synthetic procedure for the selective detection of toxic anions, such as F, in a DMSO–ACN medium and cations, such as Hg2+ and Cu2+, in a MeOH–water medium. The detection limit for F was reckoned to be 0.5 ppm, and for Hg2+ and Cu2+, it was 0.8 ppm and 50 nM, respectively. The chemosensor exhibited a distinct change in colour from colourless to dark blue in the presence of F, and upon the addition of Hg2+ and Cu2+, the BCC turned from colourless to light blue and purple accordingly. Moreover, turn-on fluorescence response transpired by the attenuation of PET signified the selective sensing of analytes with a zero-order rate constant. Sophisticated analytical experiments, such as ESI-MS, UV-Vis, photoluminescence, cyclic voltammetry, FTIR, and 1H-NMR, along with the theoretical calculations corroborated the probable sensing pathways. The reversible colorimetric response of BCC towards F and H+ can be advantageous in the design of electronic circuits derived from Boolean algebra. The complexation ability of the sensor with toxic Hg2+- and Cu2+-like ions made it an efficient material to remove these metal ions from real water sources polluted with these toxic elemental ions. Furthermore, the in vitro studies were accomplished using the Bauhinia acuminate pollen cell to check the cell penetrability of the sensor molecule.

Graphical abstract: A simple urea-based multianalyte and multichannel chemosensor for the selective detection of F−, Hg2+ and Cu2+ in solution and cells and the extraction of Hg2+ and Cu2+ from real water sources: a logic gate mimic ensemble

Supplementary files

Article information

Article type
Paper
Submitted
24 Dec 2018
Accepted
20 Feb 2019
First published
13 Mar 2019

Dalton Trans., 2019,48, 4375-4386

A simple urea-based multianalyte and multichannel chemosensor for the selective detection of F, Hg2+ and Cu2+ in solution and cells and the extraction of Hg2+ and Cu2+ from real water sources: a logic gate mimic ensemble

A. Mondal, A. Roy Chowdhury, S. Bhuyan, S. K. Mukhopadhyay and P. Banerjee, Dalton Trans., 2019, 48, 4375 DOI: 10.1039/C8DT05097J

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements