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Issue 8, 2018
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A hydrazine-based thiocarbamide probe for colorimetric and turn-on fluorometric detection of PO43− and AsO33− in semi-aqueous medium

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Abstract

2,6-Bis(N-ethylhydrazonethiocarbamide)-4-methyl-phenol (HTP) recognizes PO43− and AsO33− and is effective as a colorimetric and turn-on fluoremetric sensor in the presence of a large number of biologically important cations and anions. The limit of detection (LOD) is 34 nM for PO43− and 15 nM for AsO33−. The composition of the probe–anion association has been established by Job's plot, 1H-NMR titration and HR-MS data. The Density Functional Theory (DFT) computation technique is used to optimize the structure that has been compared with an X-ray structure of HTP and the calculated electronic properties are correlated with the experimental results. Turn-on detection of PO43− and AsO33− is also successfully utilized for the fabrication of an ‘OR’ gate. The probe, HTP, is used for analysis of the ground water of Jadavpur, Kolkata.

Graphical abstract: A hydrazine-based thiocarbamide probe for colorimetric and turn-on fluorometric detection of PO43− and AsO33− in semi-aqueous medium

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Publication details

The article was received on 21 Nov 2017, accepted on 13 Feb 2018 and first published on 07 Mar 2018


Article type: Paper
DOI: 10.1039/C7NJ04533F
Citation: New J. Chem., 2018,42, 6236-6246
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    A hydrazine-based thiocarbamide probe for colorimetric and turn-on fluorometric detection of PO43− and AsO33− in semi-aqueous medium

    R. Purkait, S. Maity and C. Sinha, New J. Chem., 2018, 42, 6236
    DOI: 10.1039/C7NJ04533F

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