Design and synthesis of nickel-doped cobalt molybdate microrods: An effective electrocatalyst for the determination of antibiotic drug ronidazole

Karuppaiah, Balamurugan; Jeyaraman, Anupriya; Chen, Shen‐Ming; Chavan, Prajakta R.; Karthik, Raj; Shim, Jae‐Jin; Park, Sung Jea

doi:10.1016/j.envres.2023.115343

Cited by 10 publications

(3 citation statements)

References 51 publications

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“…It appears a similar redox peak on CuO/GCE (d) with β-CD/GCE, and the peak current decreases, which may be attributed to the fact that CuO is a semiconductor. When CuO and β-CD co-modify the electrode, electron transfer ability enhances, 40 due to the reduction of nitro to hydroxyamine, 41,42 the CAP reduction enhances and the peak current increases significantly compared with the other three modified electrodes. It can be attributable to the synergism of CuO /β-CD to promote electron transfer and further increase the current.…”

Section: Resultsmentioning

confidence: 97%

Synergetic Effect of β-Cyclodextrin and CuO Nanocomposite for Ultrasensitive Determination of Chloramphenicol in Food

Zhang,

Cao,

Chen

et al. 2024

J. Electrochem. Soc.

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Chloramphenicol (CAP), a broad-spectrum antibiotic, has severely impacted human health and the ecological environment, which brings an increasing demand for an efficient monitoring technology for rapid and sensitive antibiotic residue detection. Herein, a highly sensitive and selective electrochemical sensor was developed for detecting CAP, based on the synergistic effect of β-cyclodextrin (β-CD) and CuO-nanomaterials modifying glassy carbon electrode (GCE). Scanning electron microscopy and X-ray diffraction analysis were used for morphological characterization. β-CD/CuO/GCE sensor with high-specific surface area and cavity structure was prepared by modifying GCE for further electrochemical testing. Experimental parameters were optimized using square wave stripping voltammetry. The developed sensor obtains an ultra-wide linear range from 1.0 × 10−7 to 5.0 × 10−4 mol l−1and the limit of detection is 0.5 × 10−7 mol l−1. The sensor displays high sensitivity, remarkable stability, and reproducibility; particularly more convenient than the liquid chromatography-mass spectrometry (LC-MS) verification method. Furthermore, the applicability of the developed β-CD/CuO/GCE sensor was demonstrated by detecting CAP in food samples.

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Section: Resultsmentioning

confidence: 97%

Synergetic Effect of β-Cyclodextrin and CuO Nanocomposite for Ultrasensitive Determination of Chloramphenicol in Food

Zhang,

Cao,

Chen

et al. 2024

J. Electrochem. Soc.

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“…A review of the literature uncovered that lemon juice has been effectively employed for the synthesis and in-situ stabilization of silver and gold nanoparticles in aqueous environments 27,28 . These research highlight the importance of novel electrocatalytic materials and their many applications.…”

mentioning

confidence: 99%

Lemon extract supported green synthesis of bimetallic CuO/Ag nanoporous materials for sensitive detection of vitamin D3

Naikoo,

Almashali,

Habis

et al. 2023

Sci Rep

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In modern era, deficiency of Vitamin D3 is predominantly due to limited exposure to sunlight and UV radiation resulting from indoor lifestyles. Several studies have revealed that vitamin D deficiency can lead to chronic vascular inflammation, diabetes mellitus, hypertension, congestive left ventricular hypertrophy, and heart failure. This study introduces a green synthesis of novel bimetallic nanoporous composite, CuO/Ag using lemon extract. The synthesized nanoporous material, CuO/Ag@lemon extract was characterized using several analytical techniques, including X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX). The CuO/Ag@lemon extract nanoparticles were immobilized on glassy carbon electrode (GCE) to prepare modified CuO/Ag@lemon extract–GCE interface. The electrocatalytic and electrochemical properties investigation was carried out on the modified electrode. using cyclic voltammetry (CV), differential pulse voltammetry (DPV), and amperometry for detecting of Vitamin D3. The DPV method displayed a linear response range of 0.02–22.5 µM with a detection limit of 2.62 nM, while the amperometric method showed a broader linear range of 0.25–23.25 µM with a detection limit of 2.70 nM with 82% modified electrode stability. The designed electrode exhibited a positive response to the inclusion of Vitamin D3 with electro-oxidation, reaching steady-state within 3.4 s, with 87% reproducibility within a day. The proposed method offers a rapid and sensitive platform for detection of Vitamin D3 with minimal interference from other molecules. The early diagnosis of Vitamin D3 deficiency using modified electrodes allows for early treatment, thereby preventing severe health complications.

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“…Besides, the electrochemical sensor and electrodes based on it have many advantages, such as the ability to detect the target molecules at very low levels, a broader linear response range, a simple surface renewal procedure, high sensitivity, and acceptable reproducibility, repeatability, and selectivity compared to other traditional techniques. Indeed, the merits of electrochemical techniques in sensing applications are clearly documented in the literature for a variety of molecules [19][20][21][22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Flower-like strontium molybdate anchored on 3D N-rich reduced graphene oxide aerogel composite: An efficient catalyst for the detection of lethal pollutant nitrobenzene in water samples

Karthik

Chavan

Sukanya

et al. 2023

Composites Part B: Engineering

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Design and synthesis of nickel-doped cobalt molybdate microrods: An effective electrocatalyst for the determination of antibiotic drug ronidazole

Cited by 10 publications

References 51 publications

Synergetic Effect of β-Cyclodextrin and CuO Nanocomposite for Ultrasensitive Determination of Chloramphenicol in Food

Synergetic Effect of β-Cyclodextrin and CuO Nanocomposite for Ultrasensitive Determination of Chloramphenicol in Food

Lemon extract supported green synthesis of bimetallic CuO/Ag nanoporous materials for sensitive detection of vitamin D3

Flower-like strontium molybdate anchored on 3D N-rich reduced graphene oxide aerogel composite: An efficient catalyst for the detection of lethal pollutant nitrobenzene in water samples

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