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Fabrication of Ga3+ sensor probe based on Methoxybenzylidenebenzenesulfonohydrazide (MBBSH) by an electrochemical approach

Abstract

A series of (E)-Nʹ-methoxybenzylidene-benzenesulfonohydrazide (MBBSH) compounds were synthesized by using a condensation method from the derivatives of methoxybenzaldehyde and benzenesulfonylhydrazine to good crystallized yield in alcoholic medium. The prepared MBBSH compounds were well-characterized by means of various spectroscopic techniques such as 1H-NMR, 13C-NMR, FTIR, and UV-Vis. The structure of the MBBSH molecules were confirmed using a single crystal X-ray diffraction (SCXRD) method and used for the selective detection of the gallium (Ga3+) ion by I-V technique. A thin-layer of MBBSH was made 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. Sensitivity, limit of detection (LOD), and limit of quantification (LOQ) of the modified electrode towards Ga3+ were calculated from the calibration curve as 949.37 pAμM-1cm-2, ≈ 84.0 ± 0.2 pM , and 280.0 ± 0.5 mM respectively. The prospective MBBSH/GCE sensor 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 found acceptable and reasonable results.

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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., 2017, Accepted Manuscript
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    Fabrication of 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., 2017, Accepted Manuscript , DOI: 10.1039/C7NJ01891F

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