Journal
ANALYTICA CHIMICA ACTA
Volume 1086, Issue -, Pages 55-65Publisher
ELSEVIER
DOI: 10.1016/j.aca.2019.07.073
Keywords
Hydrothermal synthesis; Ruthenium sulfide; Molybdenum disulfide; Synergistic activity; Sulphadiazine
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Funding
- Deanship of Scientific Research at King Saud University [RG-1440-141]
- National Taipei University of Technology [USTP-NTUT-NTOU-108-02]
- National Taiwan Ocean University Joint Research Program [USTP-NTUT-NTOU-108-02]
- Ministry of Science and Technology, Taiwan, ROC [MOST 107-2113-M-027-005-MY3, MOST 108-2113-M-027-006]
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Benefiting from the rich redox chemistry, high electrical conductivity and synergistic effect from two metal ions, the binary metal sulphides received tremendous attention in various applications. As a result, the MoS2-RuS2 nanomaterial was synthesized through the simple one-pot hydrothermal technique. The electrocatalytic activity of the as-synthesized nanomaterial was exploited towards the electrochemical detection of antibiotic drug sulphadiazine (SDZ). The electrocatalytic oxidation of the SDZ exhibited lowest anodic peak potential and ehanced anodic peak current rather than other modified electrodes. Notably, an excellent electrochemical performance with very lowest limit of detection (LOD) of 0.004 mu M, appreciable linear range from 0.01 mu M to 598.7 mu M and high sensitivity (2.333 nA mu M-1 cm(-2)) was obtained at MoS2-RuS2 modified electrode. Moreover, well anti-interfering property, good operational stability, repeatability and reproducibility was achieved. Facinatingly, the practicability of the modified electrode demonstrated in milk and human serum samples. (C) 2019 Elsevier B.V. All rights reserved.
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