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Issue 2, 2018
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Fabrication of a Ga3+ sensor probe based on methoxybenzylidenebenzenesulfonohydrazide (MBBSH) by an electrochemical approach

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Abstract

A series of (E)-N′-methoxybenzylidene-benzenesulfonohydrazide (MBBSH) compounds were synthesized using a condensation method from the derivatives of methoxybenzaldehyde and benzenesulfonylhydrazine in good (crystallized) yield in an alcoholic medium. The as-prepared MBBSH compounds were well-characterized using various spectroscopic techniques, such as 1H-NMR, 13C-NMR, FTIR, and UV-Vis. The structure of the MBBSH molecules was confirmed using the single crystal X-ray diffraction (SCXRD) method and used for the selective detection of the gallium (Ga3+) ion by the IV technique. A thin-layer of MBBSH was prepared by deposition onto a smooth glassy carbon electrode (GCE) with Nafion (Nf) as a coating binder in order to modify the sensitive and selective Ga3+ sensor probe. The sensitivity, the limit of detection (LOD), and the limit of quantification (LOQ) of the modified electrode towards Ga3+ were calculated from the calibration curve as 949.37 pA μM−1 cm−2, ≈84.0 ± 0.2 pM, and 280.0 ± 0.5 mM, respectively. The prospective MBBSH/GCE sensor was applied for the determination of Ga3+ in spiked biological (human, mouse, and rabbit serum) and environmental (industrial effluent, red sea water, well-water, and tap water) samples and acceptable and reasonable results were obtained.

Graphical abstract: Fabrication of a Ga3+ sensor probe based on methoxybenzylidenebenzenesulfonohydrazide (MBBSH) by an electrochemical approach

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Publication details

The article was received on 29 May 2017, accepted on 06 Dec 2017 and first published on 06 Dec 2017


Article type: Paper
DOI: 10.1039/C7NJ01891F
Citation: New J. Chem., 2018,42, 1169-1180
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    Fabrication of a Ga3+ sensor probe based on methoxybenzylidenebenzenesulfonohydrazide (MBBSH) by an electrochemical approach

    M. M. Hussain, A. M. Asiri, M. N. Arshad and M. M. Rahman, New J. Chem., 2018, 42, 1169
    DOI: 10.1039/C7NJ01891F

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