Designing of surface engineered Ytterbium oxide nanoparticles as effective electrochemical sensing platform for dopamine

Kumar, Sushil; Chaudhary, Ganga Ram; Chaudhary, Savita

doi:10.1016/j.molliq.2022.118929

Cited by 8 publications

(4 citation statements)

References 60 publications

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“…160 In addition to carbon-based electrodes, gold wires modified with catalytic materials or carbon electrodes modified with gold nanostructures have been shown to provide good operational performance as a platform for dopamine biosensors. Kumar et al 163 deposited ytterbium oxide nanoparticles (Yb 2 O 3 ) on a gold wire (3 mm diameter) using MPTMS and Nafion as an immobilization matrix, Figure 6. (A) Detection of dopamine on a SPCE functionalized with tyrosinase and rGO immobilized with chitosan.…”

Section: Measurements Of Dopamine In Biologically Relevant Environmentsmentioning

confidence: 99%

Review—Catalytic Electrochemical Biosensors for Dopamine: Design, Performance, and Healthcare Applications

DeVoe,

Andreescu

2024

ECS Sens. Plus

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The effect of an Al2TiO5 (ALT) interlayer between Ni and YSZ on enhancing the thermal stability of Ni-YSZ solid oxide fuel cell was examined. Atomic layer deposition (ALD) was used to provide precise control of the structure and thickness of the ALT interlayer. The study’s findings demonstrate that a 2 nm thick ALT interlayer deposited by ALD does not adversely affect the cell’s ohmic resistance and effectively prevents Ni sintering and the loss of active area during high-temperature heat treatments. ALT layers thicker than 2 nm, although they enhanced Ni stability, were found to impede oxygen ion transport in the electrode and significantly increase the ohmic resistance of the cell, leading to a decline in performance.

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Section: Measurements Of Dopamine In Biologically Relevant Environmentsmentioning

confidence: 99%

Review—Catalytic Electrochemical Biosensors for Dopamine: Design, Performance, and Healthcare Applications

DeVoe,

Andreescu

2024

ECS Sens. Plus

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“…Due to the high conductivity of gold nanoparticles, they have been successfully employed for DA sensing, 26–28 using nanoporous gold structures results in an even higher electrocatalytic activity due to the increased surface area. 29,30 A gold–cuprous oxide nanocomposite resulted in a synergistic effect for the detection of DA and could differentiate it in the presence of interfering biological molecules, such as uric acid (UA) and ascorbic acid (AA).…”

Section: Introductionmentioning

confidence: 99%

“…29,30 A gold–cuprous oxide nanocomposite resulted in a synergistic effect for the detection of DA and could differentiate it in the presence of interfering biological molecules, such as uric acid (UA) and ascorbic acid (AA). 31–33…”

Section: Introductionmentioning

confidence: 99%

Porous gold-layered cubic and octahedral Cu-oxide nanocrystals: Dopamine sensing

Jacobs,

Erasmus

2024

Journal of Chemical Research

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Two morphologically different porous gold layered on Cu-oxide-based electrochemical sensors were developed for the selective detection of dopamine in the presence of uric acid, ascorbic acid or dextrose. The nanoparticles were prepared by layering Au onto either a cubic or octahedron-shaped Cu-oxide crystal via a galvanic reaction. These were characterized with scanning electron microscopy, energy dispersive X-ray and X-ray photoelectron spectroscopy. The porous structure of the gold over layer was clearly visible on the scanning electron microscopy image while the macro morphology was maintained. X-ray photoelectron spectroscopy confirmed the presence of metallic gold while both CuI (CuO) and CuII (Cu2O) were present in the samples. These two Au/Cu-oxide nanocomposites were used to modify glassy carbon electrodes and were tested for their dopamine sensing ability. Differential pulse voltammetry was used to investigate the selectivity towards dopamine in the presence of different interfering molecules uric acid, ascorbic acid and dextrose). From the differential pulse voltammetry, the lowest limit of detection was found to be 1.1 μM, with a sensitivity of 3.4 μA mM−1 mm−2 in the linear range of 10–250 μM for the porous gold layered covering the octahedron Cu-oxide-modified glassy carbon electrode.

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“…Therefore, electrochemical techniques have recently emerged as alternative approaches owing to their simplicity, rapidity, low cost and high sensitivity. [22][23][24][25][26][27][28][29][30] Simultaneous detection of both DA and 5-HT remains a significant challenge because of their coexistence in a biological system and their reciprocal influence on each other in their respective releases. [31][32][33] Moreover, they exhibit a current response at very close potentials.…”

mentioning

confidence: 99%

Development of An Eco-Friendly and Cost-Effective Electrochemical Sensor for the Simultaneous Detection of Dopamine and Serotonin

Moslah,

Dridi

2024

J. Electrochem. Soc.

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An electrochemical sensor based on eco-friendly green synthesized silver nanoparticles decorated reduced graphene oxide (AgNPs-rGO) modified screen-printed carbon electrode (SPCE) for the simultaneous detection of serotonin (5-HT) and dopamine (DA) is reported for the first time. The experimental parameters affecting the sensor performance were optimized in terms of AgNPs-rGO coating amount, scan rate and electrolyte pH (6-8). Under optimal conditions, the AgNPs-rGO/SPCE was employed to individually determine both analytes using DPV technique. The sensor was also efficient in the simultaneous detection of these species and reported well-resolved oxidation peaks with a linear range of 10-100 μM and detection limits of 7 µM and 7.41 µM, respectively. The developed device showed good selectivity, reproducibility, and repeatability. Furthermore, it was successfully applied to the determination of both biomolecules in artificial urine samples with good recovery. The main advantages of the designed sensor are its simplicity, portability, and low cost.

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Designing of surface engineered Ytterbium oxide nanoparticles as effective electrochemical sensing platform for dopamine

Cited by 8 publications

References 60 publications

Review—Catalytic Electrochemical Biosensors for Dopamine: Design, Performance, and Healthcare Applications

Review—Catalytic Electrochemical Biosensors for Dopamine: Design, Performance, and Healthcare Applications

Porous gold-layered cubic and octahedral Cu-oxide nanocrystals: Dopamine sensing

Development of An Eco-Friendly and Cost-Effective Electrochemical Sensor for the Simultaneous Detection of Dopamine and Serotonin

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